IPv4 R&E Routing Table Report 23:05 GMT Fri 16 Dec, 2022 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 901495 Prefixes after maximum aggregation (per Origin AS): 343332 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 443396 Number of IPv4 prefixes with a valid ROA: 365287 Number of IPv4 prefixes with an invalid ROA: 1500 Number of IPv4 prefixes with no ROA: 534708 Total ASes present in the Internet Routing Table: 73717 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63313 Origin ASes announcing only one prefix: 26044 Transit ASes present in the Internet Routing Table: 10404 Transit-only ASes present in the Internet Routing Table: 426 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1009 Number of instances of unregistered ASNs: 1009 Number of 32-bit ASNs allocated by the RIRs: 40913 Number of 32-bit ASNs visible in the Routing Table: 33802 Prefixes from 32-bit ASNs in the Routing Table: 164734 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 484 Number of addresses announced to Internet: 3060800000 Equivalent to 182 /8s, 112 /16s and 26 /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: 302995 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233404 Total APNIC prefixes after maximum aggregation: 67731 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228273 Unique aggregates announced from the APNIC address blocks: 97252 APNIC Region origin ASes present in the Internet Routing Table: 13082 APNIC Prefixes per ASN: 17.45 APNIC Region origin ASes announcing only one prefix: 3814 APNIC Region transit ASes present in the Internet Routing Table: 1758 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8402 Number of APNIC addresses announced to Internet: 773164544 Equivalent to 46 /8s, 21 /16s and 142 /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: 266412 Total ARIN prefixes after maximum aggregation: 121229 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268057 Unique aggregates announced from the ARIN address blocks: 129395 ARIN Region origin ASes present in the Internet Routing Table: 18999 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6977 ARIN Region transit ASes present in the Internet Routing Table: 1884 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4689 Number of ARIN addresses announced to Internet: 1288056320 Equivalent to 76 /8s, 198 /16s and 46 /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: 254770 Total RIPE prefixes after maximum aggregation: 119755 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251506 Unique aggregates announced from the RIPE address blocks: 155539 RIPE Region origin ASes present in the Internet Routing Table: 28109 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 11979 RIPE Region transit ASes present in the Internet Routing Table: 3982 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10897 Number of RIPE addresses announced to Internet: 715315456 Equivalent to 42 /8s, 162 /16s and 217 /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: 117242 Total LACNIC prefixes after maximum aggregation: 28185 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116553 Unique aggregates announced from the LACNIC address blocks: 48817 LACNIC Region origin ASes present in the Internet Routing Table: 11002 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2265 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8766 Number of LACNIC addresses announced to Internet: 175883008 Equivalent to 10 /8s, 123 /16s and 195 /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: 28658 Total AfriNIC prefixes after maximum aggregation: 5661 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 36622 Unique aggregates announced from the AfriNIC address blocks: 12003 AfriNIC Region origin ASes present in the Internet Routing Table: 1710 AfriNIC Prefixes per ASN: 21.42 AfriNIC Region origin ASes announcing only one prefix: 599 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1048 Number of AfriNIC addresses announced to Internet: 108094720 Equivalent to 6 /8s, 113 /16s and 101 /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 9156 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5933 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3374 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2682 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2320 849 425 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11250 589 KIXS-AS-KR Korea Telecom, KR 4755 2165 440 215 TATACOMM-AS TATA Communications formerl 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 7745 10638 2913 AMAZON-02, US 11492 4545 301 564 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3702 3067 331 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3498 1823 2521 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2607 24130 1575 ATT-INTERNET4, US 396982 2575 3493 370 GOOGLE-CLOUD-PLATFORM, US 30036 2562 368 383 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6939 1706 146 UNI2-AS, ES 39891 4487 264 56 ALJAWWALSTC-AS, SA 20940 4066 3399 175 AKAMAI-ASN1, NL 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 906 ROSTELECOM-AS, RU 9009 2649 252 1359 M247, RO 34984 2254 358 610 TELLCOM-AS, TR 6849 2218 339 20 UKRTELNET, UA 58224 1797 939 527 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10899 3340 593 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2175 356 576 Mega Cable, S.A. de C.V., MX 28573 1339 2327 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 339 523 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 1137 184 473 Techtel LMDS Comunicaciones Interactiva 26615 991 2466 43 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/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 1012 67 43 ORANGE-COTE-IVOIRE, CI 36935 883 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 430 32 1 MOVITEL, MZ 2018 361 319 67 TENET-1, ZA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10899 3340 593 Uninet S.A. de C.V., MX 9808 9156 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7745 10638 2913 AMAZON-02, US 12479 6939 1706 146 UNI2-AS, ES 7545 5933 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4545 301 564 CABLEONE, US 39891 4487 264 56 ALJAWWALSTC-AS, SA 20940 4066 3399 175 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3702 3067 331 ASN-CXA-ALL-CCI-22773-RDC, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9156 9109 CHINAMOBILE-CN China Mobile Communications Grou 12479 6939 6793 UNI2-AS, ES 7545 5933 5242 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7745 4832 AMAZON-02, US 39891 4487 4431 ALJAWWALSTC-AS, SA 11492 4545 3981 CABLEONE, US 20940 4066 3891 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3699 3661 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3625 3604 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 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 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS 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: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 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: 6453 AS6453, US Complete listing at https://bgp.nsrc.org/REN/Singapore/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 /10:38 /11:100 /12:295 /13:584 /14:1196 /15:2077 /16:13452 /17:8252 /18:13774 /19:24842 /20:42942 /21:50929 /22:108783 /23:96489 /24:537705 /25:0 /26:1 /27:1 /28:0 /29:1 /30:5 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5982 6939 UNI2-AS, ES 8151 4888 10899 Uninet S.A. de C.V., MX 39891 3542 4487 ALJAWWALSTC-AS, SA 11492 3452 4545 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3164 3699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2728 3702 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2221 2562 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2068 2218 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1640 2:1219 3:168 4:5 5:4069 6:110 7:5 8:1538 9:1 11:172 12:1610 13:372 14:2360 15:287 16:76 17:372 18:405 20:243 21:4 22:188 23:6008 24:2443 25:4 27:2700 29:19 31:2491 32:107 34:8 35:95 36:1842 37:4608 38:3919 39:819 40:144 41:3924 42:1072 43:2288 44:304 45:16400 46:4172 47:373 49:1705 50:1932 51:374 52:1524 54:395 55:823 56:8 57:82 58:1705 59:1102 60:1007 61:2424 62:2596 63:1947 64:5635 65:2322 66:4906 67:3024 68:1361 69:4131 70:1256 71:654 72:2994 74:2602 75:1463 76:595 77:2326 78:1822 79:2942 80:2057 81:1684 82:1489 83:1229 84:1496 85:3001 86:739 87:1926 88:1178 89:3494 90:579 91:7580 92:1974 93:2554 94:3517 95:3883 96:1316 97:344 98:1172 99:741 100:75 101:1289 102:2517 103:30560 104:4587 105:484 106:827 107:2542 108:913 109:4286 110:2045 111:3266 112:2026 113:1496 114:1601 115:2010 116:1872 117:2471 118:2289 119:1880 120:1692 121:1037 122:2563 123:2136 124:1535 125:2258 128:1231 129:968 130:958 131:2002 132:834 133:400 134:1894 135:295 136:885 137:917 138:2581 139:1500 140:1020 141:1482 142:1412 143:1442 144:1188 145:352 146:1879 147:1509 148:2264 149:1872 150:859 151:1147 152:1958 153:458 154:3776 155:1415 156:1622 157:1293 158:1042 159:2238 160:2577 161:1432 162:3529 163:1466 164:1677 165:1643 166:822 167:1748 168:3837 169:922 170:4581 171:874 172:3534 173:3053 174:1026 175:1157 176:3616 177:4769 178:3529 179:2141 180:2398 181:3351 182:3229 183:1934 184:2362 185:19971 186:4646 187:3930 188:4055 189:3438 190:9017 191:1459 192:10986 193:8787 194:7172 195:5080 196:3064 197:2325 198:5935 199:6076 200:7656 201:5857 202:10219 203:10005 204:4601 205:3512 206:3761 207:3342 208:4100 209:4798 210:4160 211:2394 212:4015 213:3549 214:1107 215:55 216:6597 217:2635 218:1245 219:411 220:1783 221:953 222:666 223:1992 End of report