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[routing-wg] Weekly Global IPv4 Routing Table Report
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Routing Table Analysis Role Account
cscora at apnic.net
Fri Dec 16 19:03:10 CET 2022
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 at lists.apnic.net. For historical data, please see https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 17 Dec, 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: 917158 Prefixes after maximum aggregation (per Origin AS): 346713 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 443437 Total ASes present in the Internet Routing Table: 73876 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 63414 Origin ASes announcing only one prefix: 26033 Transit ASes present in the Internet Routing Table: 10462 Transit-only ASes present in the Internet Routing Table: 425 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 55 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1005 Number of instances of unregistered ASNs: 1010 Number of 32-bit ASNs allocated by the RIRs: 40913 Number of 32-bit ASNs visible in the Routing Table: 33853 Prefixes from 32-bit ASNs in the Routing Table: 165128 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 483 Number of addresses announced to Internet: 3062208256 Equivalent to 182 /8s, 133 /16s and 151 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 311358 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239734 Total APNIC prefixes after maximum aggregation: 68403 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234571 Unique aggregates announced from the APNIC address blocks: 97351 APNIC Region origin ASes present in the Internet Routing Table: 13173 APNIC Prefixes per ASN: 17.81 APNIC Region origin ASes announcing only one prefix: 3840 APNIC Region transit ASes present in the Internet Routing Table: 1757 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8431 Number of APNIC addresses announced to Internet: 773757824 Equivalent to 46 /8s, 30 /16s and 155 /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: 267576 Total ARIN prefixes after maximum aggregation: 121706 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269183 Unique aggregates announced from the ARIN address blocks: 129494 ARIN Region origin ASes present in the Internet Routing Table: 19050 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1951 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: 4701 Number of ARIN addresses announced to Internet: 1288689408 Equivalent to 76 /8s, 207 /16s and 215 /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: 262985 Total RIPE prefixes after maximum aggregation: 121762 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 259832 Unique aggregates announced from the RIPE address blocks: 155382 RIPE Region origin ASes present in the Internet Routing Table: 28121 RIPE Prefixes per ASN: 9.24 RIPE Region origin ASes announcing only one prefix: 11973 RIPE Region transit ASes present in the Internet Routing Table: 3954 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10908 Number of RIPE addresses announced to Internet: 715316864 Equivalent to 42 /8s, 162 /16s and 222 /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: 117374 Total LACNIC prefixes after maximum aggregation: 28412 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 116686 Unique aggregates announced from the LACNIC address blocks: 48806 LACNIC Region origin ASes present in the Internet Routing Table: 11006 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2272 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8765 Number of LACNIC addresses announced to Internet: 176014336 Equivalent to 10 /8s, 125 /16s and 196 /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: 28484 Total AfriNIC prefixes after maximum aggregation: 5658 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 36403 Unique aggregates announced from the AfriNIC address blocks: 12015 AfriNIC Region origin ASes present in the Internet Routing Table: 1710 AfriNIC Prefixes per ASN: 21.29 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 37 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1048 Number of AfriNIC addresses announced to Internet: 108144128 Equivalent to 6 /8s, 114 /16s and 38 /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 9165 8884 50 CHINAMOBILE-CN China Mobile Communicati 7545 5933 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4883 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3503 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3359 1867 87 VNPT-AS-VN VNPT Corp, VN 9498 2679 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2529 11251 594 KIXS-AS-KR Korea Telecom, KR 24560 2320 849 425 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2180 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 7752 10639 2928 AMAZON-02, US 11492 4548 301 567 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3700 3065 329 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3505 1828 2524 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2600 24142 1571 ATT-INTERNET4, US 396982 2571 3484 366 GOOGLE-CLOUD-PLATFORM, US 30036 2564 368 378 MEDIACOM-ENTERPRISE-BUSINESS, 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 6938 1706 146 UNI2-AS, ES 9121 6235 1692 17 TTNET, TR 39891 4487 264 56 ALJAWWALSTC-AS, SA 20940 4072 3400 183 AKAMAI-ASN1, NL 8551 3700 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2941 2290 907 ROSTELECOM-AS, RU 47331 2717 401 2055 TTNET, TR 9009 2645 252 1360 M247, RO 34984 2254 358 610 TELLCOM-AS, TR 6849 2216 339 20 UKRTELNET, 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 10893 3340 593 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2260 369 64 Instituto Costarricense de Electricidad 13999 2173 356 576 Mega Cable, S.A. de C.V., MX 28573 1343 2327 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 339 522 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1135 184 472 Techtel LMDS Comunicaciones Interactiva 26615 991 2466 43 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 1550 537 31 RAYA-AS, EG 24863 1534 393 21 LINKdotNET-AS, EG 36992 1362 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 40 ORANGE-COTE-IVOIRE, CI 36935 883 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 518 53 42 WANANCHI-, KE 37342 436 32 1 MOVITEL, MZ 2018 375 319 72 TENET-1, ZA 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 10893 3340 593 Uninet S.A. de C.V., MX 9808 9165 8884 50 CHINAMOBILE-CN China Mobile Communicati 16509 7752 10639 2928 AMAZON-02, US 12479 6938 1706 146 UNI2-AS, ES 9121 6235 1692 17 TTNET, TR 7545 5933 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4883 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4548 301 567 CABLEONE, US 39891 4487 264 56 ALJAWWALSTC-AS, SA 20940 4072 3400 183 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 9808 9165 9115 CHINAMOBILE-CN China Mobile Communications Grou 12479 6938 6792 UNI2-AS, ES 9121 6235 6218 TTNET, TR 7545 5933 5241 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7752 4824 AMAZON-02, US 4538 4883 4808 ERX-CERNET-BKB China Education and Research Net 39891 4487 4431 ALJAWWALSTC-AS, SA 11492 4548 3981 CABLEONE, US 20940 4072 3889 AKAMAI-ASN1, NL 7155 3894 3861 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 65000 PRIVATE 2.92.64.0/20 8371 VIMPELCOM-NN Vimpelcom, Nizh 65000 PRIVATE 2.92.80.0/20 8371 VIMPELCOM-NN Vimpelcom, Nizh 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.131.188.0/24 Origin: 46450 PILOT, US 23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 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 /10:39 /11:100 /12:295 /13:587 /14:1202 /15:2046 /16:13500 /17:8317 /18:13917 /19:25224 /20:44284 /21:52387 /22:110230 /23:98080 /24:546112 /25:809 /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 5981 6938 UNI2-AS, ES 9121 5403 6235 TTNET, TR 8151 4882 10893 Uninet S.A. de C.V., MX 39891 3542 4487 ALJAWWALSTC-AS, SA 11492 3455 4548 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3165 3700 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2725 3700 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2345 2717 TTNET, TR Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1655 2:1221 3:168 4:5 5:4067 6:110 7:5 8:1577 9:1 11:172 12:1609 13:373 14:2371 15:287 16:76 17:373 18:405 20:243 21:4 22:188 23:6022 24:2458 25:4 27:2697 29:19 31:2491 32:106 34:8 35:96 36:1816 37:4579 38:3925 39:819 40:144 41:3917 42:1085 43:2316 44:304 45:16426 46:4199 47:379 49:1720 50:1935 51:374 52:1527 54:395 55:823 56:8 57:80 58:1773 59:1157 60:1007 61:2431 62:2603 63:1949 64:5638 65:2328 66:4918 67:3028 68:1362 69:4144 70:1257 71:665 72:2997 74:2612 75:1464 76:598 77:2331 78:3966 79:2942 80:2046 81:1832 82:1489 83:1233 84:1515 85:3787 86:741 87:1924 88:2851 89:3493 90:579 91:7600 92:1974 93:2557 94:3515 95:4822 96:1316 97:344 98:1173 99:741 100:75 101:1056 102:2494 103:30615 104:4590 105:484 106:830 107:2545 108:919 109:4296 110:2055 111:3310 112:2031 113:1558 114:1610 115:2039 116:1901 117:2470 118:2291 119:1910 120:1727 121:1104 122:2581 123:2147 124:1577 125:2330 128:1288 129:981 130:968 131:2011 132:798 133:400 134:1901 135:295 136:885 137:917 138:2581 139:1503 140:1027 141:1483 142:1420 143:1446 144:1190 145:352 146:1895 147:1512 148:2282 149:1882 150:862 151:1149 152:1826 153:459 154:3812 155:1416 156:1625 157:1293 158:1043 159:2238 160:2580 161:1429 162:3536 163:1481 164:1685 165:1613 166:831 167:1734 168:3873 169:925 170:4577 171:875 172:3535 173:3058 174:1028 175:1147 176:3636 177:4765 178:3530 179:2144 180:2370 181:3360 182:3265 183:1933 184:2365 185:19989 186:4634 187:3933 188:4087 189:3452 190:9039 191:1453 192:11012 193:8800 194:7185 195:5085 196:2976 197:2338 198:6008 199:6095 200:7735 201:5861 202:10637 203:10042 204:4612 205:3508 206:3828 207:3403 208:4115 209:4829 210:4428 211:2496 212:4038 213:3554 214:1109 215:55 216:6600 217:2638 218:1268 219:576 220:2035 221:955 222:842 223:2018 End of report
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