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 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 15 Jan, 2022 BGP Table (Global) as seen in Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 885121 Prefixes after maximum aggregation (per Origin AS): 333219 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 425456 Total ASes present in the Internet Routing Table: 72620 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 62321 Origin ASes announcing only one prefix: 25693 Transit ASes present in the Internet Routing Table: 10299 Transit-only ASes present in the Internet Routing Table: 377 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 53 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 910 Number of instances of unregistered ASNs: 914 Number of 32-bit ASNs allocated by the RIRs: 38307 Number of 32-bit ASNs visible in the Routing Table: 31840 Prefixes from 32-bit ASNs in the Routing Table: 148041 Number of bogon 32-bit ASNs visible in the Routing Table: 23 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 568 Number of addresses announced to Internet: 3074313728 Equivalent to 183 /8s, 62 /16s and 78 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 299471 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232790 Total APNIC prefixes after maximum aggregation: 65474 APNIC Deaggregation factor: 3.56 Prefixes being announced from the APNIC address blocks: 227581 Unique aggregates announced from the APNIC address blocks: 93678 APNIC Region origin ASes present in the Internet Routing Table: 12263 APNIC Prefixes per ASN: 18.56 APNIC Region origin ASes announcing only one prefix: 3490 APNIC Region transit ASes present in the Internet Routing Table: 1704 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7446 Number of APNIC addresses announced to Internet: 774476672 Equivalent to 46 /8s, 41 /16s and 147 /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, 131072-151865 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: 257494 Total ARIN prefixes after maximum aggregation: 118531 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 257375 Unique aggregates announced from the ARIN address blocks: 122888 ARIN Region origin ASes present in the Internet Routing Table: 18930 ARIN Prefixes per ASN: 13.60 ARIN Region origin ASes announcing only one prefix: 6862 ARIN Region transit ASes present in the Internet Routing Table: 1950 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4286 Number of ARIN addresses announced to Internet: 1300451328 Equivalent to 77 /8s, 131 /16s and 80 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 252847 Total RIPE prefixes after maximum aggregation: 116069 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249215 Unique aggregates announced from the RIPE address blocks: 148413 RIPE Region origin ASes present in the Internet Routing Table: 28168 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12135 RIPE Region transit ASes present in the Internet Routing Table: 3969 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10598 Number of RIPE addresses announced to Internet: 713844352 Equivalent to 42 /8s, 140 /16s and 102 /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 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 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: 113593 Total LACNIC prefixes after maximum aggregation: 27175 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114409 Unique aggregates announced from the LACNIC address blocks: 48485 LACNIC Region origin ASes present in the Internet Routing Table: 10909 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2197 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 53 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8591 Number of LACNIC addresses announced to Internet: 176636672 Equivalent to 10 /8s, 135 /16s and 67 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 27487 Total AfriNIC prefixes after maximum aggregation: 5281 AfriNIC Deaggregation factor: 5.20 Prefixes being announced from the AfriNIC address blocks: 35973 Unique aggregates announced from the AfriNIC address blocks: 11486 AfriNIC Region origin ASes present in the Internet Routing Table: 1582 AfriNIC Prefixes per ASN: 22.74 AfriNIC Region origin ASes announcing only one prefix: 545 AfriNIC Region transit ASes present in the Internet Routing Table: 308 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 42 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 919 Number of AfriNIC addresses announced to Internet: 108532480 Equivalent to 6 /8s, 120 /16s and 19 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 8726 8919 50 CHINAMOBILE-CN China Mobile Communicati 7545 5842 787 680 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4689 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3611 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3492 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3426 1880 57 VNPT-AS-VN VNPT Corp, VN 4766 2517 11120 602 KIXS-AS-KR Korea Telecom, KR 9498 2228 474 231 BBIL-AP BHARTI Airtel Ltd., IN 45090 2163 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2118 429 199 TATACOMM-AS TATA Communications formerl 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 6090 10131 2623 AMAZON-02, US 11492 4597 304 768 CABLEONE, US 22773 4022 3030 376 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US 16625 3672 1894 2566 AKAMAI-AS, US 6327 3348 1318 63 SHAW, CA 749 2889 50784 2145 DNIC-AS-00749, US 30036 2608 374 127 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2512 5042 429 CENTURYLINK-US-LEGACY-QWEST, US 20115 2247 3035 507 CHARTER-20115, 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 6829 1730 150 UNI2-AS, ES 9121 6718 1692 17 TTNET, TR 20940 3877 3348 210 AKAMAI-ASN1, NL 8551 3776 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2951 2286 903 ROSTELECOM-AS, RU 9009 2478 253 1295 M247, GB 34984 2216 357 602 TELLCOM-AS, TR 47331 1963 314 1495 TTNET, TR 58224 1777 925 589 TCI, IR 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 10222 3463 575 Uninet S.A. de C.V., MX 10620 3442 519 715 Telmex Colombia S.A., CO 11830 2464 369 62 Instituto Costarricense de Electricidad 13999 1641 283 463 Mega Cable, S.A. de C.V., MX 6503 1440 354 524 Axtel, S.A.B. de C.V., MX 28573 1393 2326 253 CLARO S.A., BR 3816 1245 658 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1146 2350 138 TIM SA, BR 6147 1092 369 21 Telefonica del Peru S.A.A., PE 11664 994 191 443 Techtel LMDS Comunicaciones Interactiva 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 24863 1640 393 21 LINKdotNET-AS, EG 24835 1547 515 32 RAYA-AS, EG 36992 1299 1518 262 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 871 68 12 ORANGE-COTE-IVOIRE, CI 36935 734 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 519 50 33 WANANCHI-, KE 37342 468 32 1 MOVITEL, MZ 23889 428 232 16 MauritiusTelecom, MU 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 8151 10222 3463 575 Uninet S.A. de C.V., MX 9808 8726 8919 50 CHINAMOBILE-CN China Mobile Communicati 12479 6829 1730 150 UNI2-AS, ES 9121 6718 1692 17 TTNET, TR 16509 6090 10131 2623 AMAZON-02, US 7545 5842 787 680 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4689 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4597 304 768 CABLEONE, US 22773 4022 3030 376 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 8726 8676 CHINAMOBILE-CN China Mobile Communications Grou 9121 6718 6701 TTNET, TR 12479 6829 6679 UNI2-AS, ES 7545 5842 5162 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4689 4615 ERX-CERNET-BKB China Education and Research Net 7155 3951 3921 VIASAT-SP-BACKBONE, US 11492 4597 3829 CABLEONE, US 8551 3776 3737 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 3877 3667 AKAMAI-ASN1, NL 22773 4022 3646 ASN-CXA-ALL-CCI-22773-RDC, 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 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 32848 UNALLOCATED 8.28.72.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 1782 UNALLOCATED 8.42.19.0/24 46887 LIGHTOWER, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 174 COGENT-174, US 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 174 COGENT-174, US 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 Transit: 174 COGENT-174, US 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 174 COGENT-174, 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 /9:13 /10:41 /11:102 /12:305 /13:593 /14:1214 /15:2038 /16:13569 /17:8320 /18:13875 /19:25171 /20:43230 /21:51779 /22:108388 /23:94988 /24:520689 /25:790 /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 9121 5893 6718 TTNET, TR 12479 5777 6829 UNI2-AS, ES 8151 4195 10222 Uninet S.A. de C.V., MX 11492 3532 4597 CABLEONE, US 8551 3241 3776 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3159 3348 SHAW, CA 7155 3041 3951 VIASAT-SP-BACKBONE, US 22773 3002 4022 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2263 2608 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1902 2:997 3:153 4:7 5:3701 6:101 7:5 8:1557 9:1 11:172 12:1705 13:407 14:2361 15:145 16:39 17:374 18:129 20:165 21:4 22:188 23:5398 24:2374 25:4 27:2585 29:19 31:2407 32:104 34:1 35:50 36:1733 37:3926 38:2459 39:737 40:149 41:3913 42:1067 43:2100 44:294 45:15969 46:3876 47:302 49:1635 50:1905 51:107 52:1345 54:293 55:733 56:8 57:55 58:1767 59:1138 60:953 61:2255 62:2418 63:1936 64:5366 65:2321 66:4927 67:2930 68:1182 69:4171 70:1346 71:677 72:3068 74:2628 75:1516 76:715 77:2170 78:3800 79:2882 80:1915 81:1654 82:1444 83:1196 84:1324 85:3587 86:708 87:1882 88:2617 89:3142 90:498 91:7528 92:1893 93:2595 94:3266 95:4493 96:1313 97:344 98:991 99:863 100:75 101:1049 102:1865 103:27974 104:4113 105:459 106:841 107:2431 108:747 109:4164 110:2053 111:3179 112:1956 113:1533 114:1531 115:1944 116:1890 117:2499 118:2320 119:1850 120:1661 121:1029 122:2530 123:2114 124:1615 125:2062 128:1362 129:1150 130:916 131:2085 132:758 133:367 134:1927 135:285 136:849 137:862 138:2469 139:1220 140:868 141:1334 142:1247 143:1424 144:1229 145:336 146:1751 147:1466 148:2210 149:1653 150:856 151:1080 152:1785 153:446 154:3678 155:1360 156:1864 157:1209 158:998 159:2002 160:2386 161:1260 162:3420 163:1185 164:1663 165:1530 166:624 167:1678 168:3674 169:687 170:4310 171:824 172:2956 173:3048 174:1015 175:1124 176:3460 177:4574 178:3022 179:2001 180:2286 181:2848 182:3215 183:1926 184:2416 185:19184 186:4267 187:3508 188:3764 189:3101 190:8857 191:1331 192:10990 193:8478 194:6941 195:4978 196:2909 197:2381 198:5971 199:5992 200:7465 201:5655 202:10465 203:10015 204:4521 205:3379 206:3841 207:3377 208:3995 209:4592 210:4229 211:2449 212:3913 213:3375 214:1160 215:64 216:6386 217:2627 218:1226 219:607 220:1958 221:983 222:860 223:2153 End of report