This is an automated weekly mailing describing the state of the Global IPv4 Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG UKNOF, TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats@lists.apnic.net. For historical data, please see https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 20 Dec, 2025 IPv4 BGP Table (Global) as seen at Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 1023110 Prefixes after maximum aggregation (per Origin AS): 394691 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 505765 Number of IPv4 prefixes with a valid ROA: 601968 Number of IPv4 prefixes with an invalid ROA: 1551 Number of IPv4 prefixes with no ROA: 419591 Total ASes present in the Internet Routing Table: 77698 Prefixes per ASN: 13.17 Origin-only ASes present in the Internet Routing Table: 66762 Origin ASes announcing only one prefix: 27136 Transit ASes present in the Internet Routing Table: 10936 Transit-only ASes present in the Internet Routing Table: 551 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 69 Max AS path prepend of ASN (269326) 61 Prefixes from unregistered ASNs in the Routing Table: 970 Number of instances of unregistered ASNs: 1009 Number of 32-bit ASNs allocated by the RIRs: 48255 Number of 32-bit ASNs visible in the Routing Table: 39531 Prefixes from 32-bit ASNs in the Routing Table: 219511 Number of bogon 32-bit ASNs visible in the Routing Table: 109 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 720 Number of addresses announced to Internet: 3105876864 Equivalent to 185 /8s, 31 /16s and 235 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 334335 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 277340 Total APNIC prefixes after maximum aggregation: 81410 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 264169 Unique aggregates announced from the APNIC address blocks: 106558 APNIC Region origin ASes present in the Internet Routing Table: 14971 APNIC Prefixes per ASN: 17.65 APNIC Region origin ASes announcing only one prefix: 4590 APNIC Region transit ASes present in the Internet Routing Table: 1982 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10524 Number of APNIC addresses announced to Internet: 753819648 Equivalent to 44 /8s, 238 /16s and 96 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-155961 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 299822 Total ARIN prefixes after maximum aggregation: 134992 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 300245 Unique aggregates announced from the ARIN address blocks: 145685 ARIN Region origin ASes present in the Internet Routing Table: 19383 ARIN Prefixes per ASN: 15.49 ARIN Region origin ASes announcing only one prefix: 7063 ARIN Region transit ASes present in the Internet Routing Table: 1941 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5423 Number of ARIN addresses announced to Internet: 1342849280 Equivalent to 80 /8s, 10 /16s and 65 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-402332 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 282840 Total RIPE prefixes after maximum aggregation: 140007 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 283565 Unique aggregates announced from the RIPE address blocks: 183891 RIPE Region origin ASes present in the Internet Routing Table: 29141 RIPE Prefixes per ASN: 9.73 RIPE Region origin ASes announcing only one prefix: 12084 RIPE Region transit ASes present in the Internet Routing Table: 3938 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12896 Number of RIPE addresses announced to Internet: 735156608 Equivalent to 43 /8s, 209 /16s and 153 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 126106 Total LACNIC prefixes after maximum aggregation: 30624 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 121900 Unique aggregates announced from the LACNIC address blocks: 49722 LACNIC Region origin ASes present in the Internet Routing Table: 11324 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2526 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9325 Number of LACNIC addresses announced to Internet: 170518784 Equivalent to 10 /8s, 41 /16s and 233 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 36032 Total AfriNIC prefixes after maximum aggregation: 6996 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 52511 Unique aggregates announced from the AfriNIC address blocks: 19317 AfriNIC Region origin ASes present in the Internet Routing Table: 1999 AfriNIC Prefixes per ASN: 26.27 AfriNIC Region origin ASes announcing only one prefix: 733 AfriNIC Region transit ASes present in the Internet Routing Table: 386 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 47 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1363 Number of AfriNIC addresses announced to Internet: 103175936 Equivalent to 6 /8s, 38 /16s and 87 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 13405 8760 123 CHINAMOBILE-CN China Mobile Communication 7545 6040 834 583 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5027 4193 77 ERX-CERNET-BKB China Education and Resear 9498 4631 542 336 BBIL-AP BHARTI Airtel Ltd., IN 7552 4025 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3730 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3375 831 184 CMNET-JIANGSU-AP China Mobile communicati 45899 3330 1869 99 VNPT-AS-VN VNPT Corp, VN 24560 2960 865 503 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 17561 2840 179 617 LCS-AS-AP LARUS Limited, HK Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14052 38461 5450 AMAZON-02, US 22773 4779 3118 370 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4687 311 949 CABLEONE, US 7155 3861 286 85 VIASAT-SP-BACKBONE, US 6327 3691 1320 83 SHAW, CA 396982 3316 4867 490 GOOGLE-CLOUD-PLATFORM, US 749 3142 54729 2393 DNIC-AS-00749, US 16625 2857 1223 2141 AKAMAI-AS, US 36352 2821 229 904 AS-COLOCROSSING, US 174 2721 8769 865 COGENT-174, US Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7295 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 3953 369 2262 M247, RO 20940 3835 3394 122 AKAMAI-ASN1, NL 12389 3175 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2557 182 1857 CDNEXT, GB 34984 2420 363 574 TELLCOM-AS, TR 8452 1688 1852 14 TE-AS TE-AS, EG 203020 1617 242 783 HOSTROYALE, IN 13188 1607 100 27 TRIOLAN, UA Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12687 3285 587 UNINET, MX 10620 3433 457 1107 Telmex Colombia S.A., CO 13999 2493 507 353 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 11664 1369 278 33 Techtel LMDS Comunicaciones Interactivas 28573 1369 2429 273 Claro NXT Telecomunicacoes Ltda, BR 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1263 371 22 Telefonica del Peru S.A.A., PE 22884 1057 67 359 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1025 2486 56 TIM SA, BR Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1944 482 23 RAYA-AS, EG 36992 1824 1531 424 ETISALAT-MISR, EG 24863 1263 389 16 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 37069 1084 1096 13 MOBINIL, EG 29571 1072 94 22 ORANGE-COTE-IVOIRE, CI 36935 1047 520 32 Vodafone-, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 557 82 3 KENET-AS, KE 15399 541 56 53 WANANCHI-, KE Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14052 38461 5450 AMAZON-02, US 9808 13405 8760 123 CHINAMOBILE-CN China Mobile Communication 8151 12687 3285 587 UNINET, MX 12479 7295 1711 149 UNI2-AS, ES 7545 6040 834 583 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5027 4193 77 ERX-CERNET-BKB China Education and Resear 39891 4833 298 66 ALJAWWALSTC-AS, SA 22773 4779 3118 370 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4687 311 949 CABLEONE, US 9498 4631 542 336 BBIL-AP BHARTI Airtel Ltd., IN Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13405 13282 CHINAMOBILE-CN China Mobile Communications Grou 8151 12687 12100 UNINET, MX 12479 7295 7146 UNI2-AS, ES 7545 6040 5457 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5027 4950 ERX-CERNET-BKB China Education and Research Net 39891 4833 4767 ALJAWWALSTC-AS, SA 22773 4779 4409 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4631 4295 BBIL-AP BHARTI Airtel Ltd., IN 7552 4025 3997 VIETEL-AS-AP Viettel Group, VN 7155 3861 3776 VIASAT-SP-BACKBONE, US Complete listing at https://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174, US 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US Complete listing at https://thyme.apnic.net/current/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://thyme.apnic.net/current/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.137.48.0/24 Origin: 16904 ARVIG-16904, US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.140.180.0/24 Origin: 401371 DEEP-TO-ONE-INC, US 23.140.180.0/24 Transit: 154309 INTELLIGENT1-AS-AP Intelligent Cloud Lim 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US Complete listing at https://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:41 /11:93 /12:299 /13:579 /14:1199 /15:2096 /16:13704 /17:8294 /18:13584 /19:25046 /20:45643 /21:52666 /22:113548 /23:105849 /24:639742 /25:697 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6881 12687 UNINET, MX 12479 6226 7295 UNI2-AS, ES 11492 3532 4687 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3478 3691 SHAW, CA 22773 3048 4779 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2820 3861 VIASAT-SP-BACKBONE, US 16509 2455 14052 AMAZON-02, US 30036 2321 2664 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2213 3433 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1809 2:1525 3:978 4:10 5:4912 6:187 7:6 8:1522 9:10 11:172 12:1229 13:608 14:2651 15:416 16:290 17:387 18:912 20:587 21:4 22:188 23:8094 24:2561 25:2 27:2751 29:19 31:3393 32:32 33:1 34:81 35:290 36:4615 37:4532 38:10006 39:1209 40:440 41:4511 42:962 43:2839 44:413 45:19591 46:5094 47:396 49:2156 50:2057 51:598 52:1311 54:228 55:1105 56:11 57:305 58:2220 59:1398 60:1171 61:3063 62:3104 63:1741 64:5994 65:2124 66:5929 67:3235 68:1507 69:4191 70:1029 71:620 72:3077 74:2931 75:1506 76:600 77:2763 78:1921 79:1791 80:2313 81:2089 82:3894 83:1474 84:2022 85:3644 86:1101 87:2350 88:1360 89:4621 90:835 91:8435 92:2837 93:3017 94:4279 95:4561 96:1434 97:313 98:952 99:782 100:68 101:1268 102:4299 103:32247 104:5499 105:756 106:919 107:2815 108:1222 109:4242 110:2307 111:4040 112:2817 113:1676 114:2095 115:2243 116:2165 117:3151 118:2483 119:2095 120:2439 121:1562 122:2953 123:2288 124:1669 125:2948 126:125 128:1589 129:963 130:1543 131:2269 132:770 133:462 134:1639 135:538 136:1503 137:1281 138:3011 139:1595 140:1827 141:1567 142:2431 143:2127 144:1358 145:625 146:2191 147:2136 148:2780 149:2941 150:1315 151:2598 152:2263 153:798 154:9362 155:2274 156:4552 157:2236 158:1476 159:2730 160:3662 161:1995 162:3991 163:2332 164:1962 165:2623 166:1314 167:2193 168:3936 169:820 170:5442 171:1117 172:4529 173:3433 174:903 175:1344 176:3773 177:4742 178:4294 179:2291 180:2847 181:4350 182:3857 183:2434 184:2039 185:21675 186:5508 187:4771 188:4453 189:4489 190:9686 191:1538 192:11451 193:9520 194:7868 195:5638 196:3265 197:3193 198:6226 199:6113 200:8230 201:6404 202:10682 203:10498 204:4656 205:3760 206:4422 207:3959 208:4345 209:5521 210:4979 211:2777 212:4911 213:4040 214:1063 215:54 216:7110 217:3453 218:1659 219:581 220:2192 221:1291 222:916 223:3247 End of report