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 10 May, 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: 982066 Prefixes after maximum aggregation (per Origin AS): 378726 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 479412 Number of IPv4 prefixes with a valid ROA: 538896 Number of IPv4 prefixes with an invalid ROA: 1362 Number of IPv4 prefixes with no ROA: 441808 Total ASes present in the Internet Routing Table: 76897 Prefixes per ASN: 12.77 Origin-only ASes present in the Internet Routing Table: 65806 Origin ASes announcing only one prefix: 26969 Transit ASes present in the Internet Routing Table: 11091 Transit-only ASes present in the Internet Routing Table: 550 Average AS path length visible in the Internet Routing Table: 5.2 Max AS path length visible: 80 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 987 Number of instances of unregistered ASNs: 992 Number of 32-bit ASNs allocated by the RIRs: 46388 Number of 32-bit ASNs visible in the Routing Table: 38254 Prefixes from 32-bit ASNs in the Routing Table: 202312 Number of bogon 32-bit ASNs visible in the Routing Table: 40 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 467 Number of addresses announced to Internet: 3111055488 Equivalent to 185 /8s, 110 /16s and 240 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 321764 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 258259 Total APNIC prefixes after maximum aggregation: 77595 APNIC Deaggregation factor: 3.33 Prefixes being announced from the APNIC address blocks: 249485 Unique aggregates announced from the APNIC address blocks: 103255 APNIC Region origin ASes present in the Internet Routing Table: 14656 APNIC Prefixes per ASN: 17.02 APNIC Region origin ASes announcing only one prefix: 4480 APNIC Region transit ASes present in the Internet Routing Table: 1966 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10147 Number of APNIC addresses announced to Internet: 749234432 Equivalent to 44 /8s, 168 /16s and 105 /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: 289703 Total ARIN prefixes after maximum aggregation: 130388 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 290964 Unique aggregates announced from the ARIN address blocks: 138656 ARIN Region origin ASes present in the Internet Routing Table: 19258 ARIN Prefixes per ASN: 15.11 ARIN Region origin ASes announcing only one prefix: 7035 ARIN Region transit ASes present in the Internet Routing Table: 2006 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5209 Number of ARIN addresses announced to Internet: 1353277440 Equivalent to 80 /8s, 169 /16s and 96 /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: 273869 Total RIPE prefixes after maximum aggregation: 133924 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 271636 Unique aggregates announced from the RIPE address blocks: 174312 RIPE Region origin ASes present in the Internet Routing Table: 28918 RIPE Prefixes per ASN: 9.39 RIPE Region origin ASes announcing only one prefix: 12056 RIPE Region transit ASes present in the Internet Routing Table: 4009 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 44 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12427 Number of RIPE addresses announced to Internet: 731501952 Equivalent to 43 /8s, 153 /16s and 213 /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: 123969 Total LACNIC prefixes after maximum aggregation: 29442 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120344 Unique aggregates announced from the LACNIC address blocks: 48846 LACNIC Region origin ASes present in the Internet Routing Table: 11242 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2702 LACNIC Region transit ASes present in the Internet Routing Table: 2524 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9194 Number of LACNIC addresses announced to Internet: 171795712 Equivalent to 10 /8s, 61 /16s and 101 /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: 35279 Total AfriNIC prefixes after maximum aggregation: 6768 AfriNIC Deaggregation factor: 5.21 Prefixes being announced from the AfriNIC address blocks: 49170 Unique aggregates announced from the AfriNIC address blocks: 13955 AfriNIC Region origin ASes present in the Internet Routing Table: 1911 AfriNIC Prefixes per ASN: 25.73 AfriNIC Region origin ASes announcing only one prefix: 696 AfriNIC Region transit ASes present in the Internet Routing Table: 378 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 80 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1277 Number of AfriNIC addresses announced to Internet: 105022208 Equivalent to 6 /8s, 66 /16s and 131 /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 10803 8757 101 CHINAMOBILE-CN China Mobile Communication 7545 6161 842 653 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4773 4192 76 ERX-CERNET-BKB China Education and Resear 9498 4368 534 301 BBIL-AP BHARTI Airtel Ltd., IN 7552 3905 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3693 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3277 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2867 852 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4766 2411 11524 646 KIXS-AS-KR Korea Telecom, KR 45090 2208 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 13300 40822 4722 AMAZON-02, US 11492 4725 313 592 CABLEONE, US 7155 3859 286 85 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 174 3503 8749 891 COGENT-174, US 22773 3344 3031 166 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54861 2504 DNIC-AS-00749, US 396982 3164 3852 416 GOOGLE-CLOUD-PLATFORM, US 16625 3019 1260 2221 AKAMAI-AS, US 36352 2777 228 852 AS-COLOCROSSING, 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 7696 1714 148 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3954 3395 127 AKAMAI-ASN1, NL 9009 3802 328 1991 M247, RO 12389 3075 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2362 360 584 TELLCOM-AS, TR 212238 2138 151 1579 CDNEXT, GB 8452 1647 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 8551 1428 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 12069 3247 582 UNINET, MX 10620 3533 486 993 Telmex Colombia S.A., CO 13999 2511 540 362 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1337 784 209 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1198 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1191 371 22 Telefonica del Peru S.A.A., PE 22884 1051 67 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1042 374 163 Axtel, S.A.B. de C.V., MX 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 1744 631 30 RAYA-AS, EG 24863 1651 389 16 LINKdotNET-AS, EG 29571 1598 103 23 ORANGE-COTE-IVOIRE, CI 36992 1431 1518 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1036 523 45 Vodafone-, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 37069 932 1099 15 MOBINIL, EG 36914 553 82 3 KENET-AS, KE 15399 539 57 59 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 13300 40822 4722 AMAZON-02, US 8151 12069 3247 582 UNINET, MX 9808 10803 8757 101 CHINAMOBILE-CN China Mobile Communication 12479 7696 1714 148 UNI2-AS, ES 7545 6161 842 653 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 4538 4773 4192 76 ERX-CERNET-BKB China Education and Resear 11492 4725 313 592 CABLEONE, US 9498 4368 534 301 BBIL-AP BHARTI Airtel Ltd., IN 20940 3954 3395 127 AKAMAI-ASN1, NL Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 12069 11487 UNINET, MX 9808 10803 10702 CHINAMOBILE-CN China Mobile Communications Grou 12479 7696 7548 UNI2-AS, ES 7545 6161 5508 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 4538 4773 4697 ERX-CERNET-BKB China Education and Research Net 11492 4725 4133 CABLEONE, US 9498 4368 4067 BBIL-AP BHARTI Airtel Ltd., IN 7552 3905 3879 VIETEL-AS-AP Viettel Group, VN 20940 3954 3827 AKAMAI-ASN1, NL 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 578888 UNALLOCATED 5.59.160.0/21 57888 TELESAT-AS, HR 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /9:16 /10:41 /11:93 /12:300 /13:581 /14:1214 /15:2146 /16:13997 /17:8330 /18:13781 /19:24815 /20:44487 /21:52077 /22:112210 /23:101805 /24:605356 /25:801 /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 12479 6617 7696 UNI2-AS, ES 8151 6265 12069 UNINET, MX 11492 3533 4725 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 2818 3859 VIASAT-SP-BACKBONE, US 22773 2496 3344 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2312 13300 AMAZON-02, US 30036 2219 2559 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2199 3533 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1710 2:1508 3:700 4:10 5:4647 6:162 7:6 8:1609 9:1 11:172 12:1366 13:378 14:2538 15:353 16:283 17:374 18:917 20:518 21:4 22:188 23:7504 24:2752 25:2 27:2694 29:19 31:3242 32:40 33:1 34:83 35:206 36:2772 37:4644 38:9137 39:909 40:167 41:4182 42:945 43:2558 44:376 45:18606 46:5041 47:298 49:1927 50:1893 51:591 52:1556 54:306 55:1095 56:11 57:256 58:2126 59:1362 60:1164 61:2784 62:2919 63:1813 64:5459 65:2155 66:4653 67:3061 68:1123 69:3842 70:1086 71:633 72:2853 74:2778 75:1608 76:620 77:2735 78:1871 79:1757 80:2215 81:2044 82:3154 83:1432 84:1854 85:3438 86:1053 87:2404 88:1286 89:4364 90:774 91:8345 92:2713 93:2887 94:4039 95:4326 96:1419 97:316 98:980 99:675 100:72 101:1180 102:3905 103:32220 104:4826 105:753 106:1034 107:2622 108:1226 109:4088 110:2234 111:3373 112:2062 113:1526 114:1974 115:2142 116:2048 117:2613 118:2360 119:1922 120:1909 121:1424 122:2765 123:2173 124:1620 125:2876 126:91 128:1582 129:960 130:1300 131:1947 132:780 133:451 134:1531 135:331 136:1305 137:1167 138:2885 139:1627 140:1586 141:1509 142:1903 143:1718 144:1108 145:503 146:2164 147:2098 148:2644 149:2872 150:1247 151:1849 152:2086 153:497 154:8136 155:1690 156:3378 157:1896 158:1305 159:2448 160:3560 161:1881 162:3727 163:2129 164:1704 165:2202 166:1477 167:1905 168:4037 169:792 170:5070 171:1008 172:4405 173:3262 174:910 175:1299 176:3670 177:4704 178:3627 179:2274 180:2620 181:4071 182:3423 183:1845 184:2063 185:21565 186:5083 187:4468 188:4221 189:4264 190:9602 191:1492 192:11252 193:9485 194:7766 195:5525 196:3284 197:3721 198:6227 199:8506 200:8197 201:6281 202:10463 203:10547 204:4545 205:3638 206:4645 207:3571 208:4254 209:5213 210:4834 211:2637 212:4541 213:3703 214:1031 215:48 216:6709 217:3122 218:1395 219:539 220:2088 221:1077 222:847 223:2387 End of report