IPv4 R&E Routing Table Report 23:05 GMT Tue 10 Oct, 2023 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: 925543 Prefixes after maximum aggregation (per Origin AS): 352487 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 453358 Number of IPv4 prefixes with a valid ROA: 424577 Number of IPv4 prefixes with an invalid ROA: 1705 Number of IPv4 prefixes with no ROA: 499261 Total ASes present in the Internet Routing Table: 74718 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64262 Origin ASes announcing only one prefix: 26459 Transit ASes present in the Internet Routing Table: 10456 Transit-only ASes present in the Internet Routing Table: 446 Paths with bogon ASNs present in the IPv4 Routing Table: 24 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 993 Number of instances of unregistered ASNs: 996 Number of 32-bit ASNs allocated by the RIRs: 42805 Number of 32-bit ASNs visible in the Routing Table: 35154 Prefixes from 32-bit ASNs in the Routing Table: 175455 Number of bogon 32-bit ASNs visible in the Routing Table: 27 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 514 Number of addresses announced to Internet: 3052070656 Equivalent to 181 /8s, 234 /16s and 231 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309474 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241610 Total APNIC prefixes after maximum aggregation: 70276 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235179 Unique aggregates announced from the APNIC address blocks: 98920 APNIC Region origin ASes present in the Internet Routing Table: 13589 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4073 APNIC Region transit ASes present in the Internet Routing Table: 1813 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8977 Number of APNIC addresses announced to Internet: 772198144 Equivalent to 46 /8s, 6 /16s and 207 /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, 131072-153913 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: 272319 Total ARIN prefixes after maximum aggregation: 123331 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 275960 Unique aggregates announced from the ARIN address blocks: 131895 ARIN Region origin ASes present in the Internet Routing Table: 19049 ARIN Prefixes per ASN: 14.49 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1882 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4820 Number of ARIN addresses announced to Internet: 1277080064 Equivalent to 76 /8s, 30 /16s and 178 /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: 261943 Total RIPE prefixes after maximum aggregation: 123841 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256985 Unique aggregates announced from the RIPE address blocks: 160137 RIPE Region origin ASes present in the Internet Routing Table: 28415 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12084 RIPE Region transit ASes present in the Internet Routing Table: 3917 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11351 Number of RIPE addresses announced to Internet: 716226304 Equivalent to 42 /8s, 176 /16s and 191 /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, 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: 118563 Total LACNIC prefixes after maximum aggregation: 28378 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117537 Unique aggregates announced from the LACNIC address blocks: 49303 LACNIC Region origin ASes present in the Internet Routing Table: 11037 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2705 LACNIC Region transit ASes present in the Internet Routing Table: 2329 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8861 Number of LACNIC addresses announced to Internet: 178435328 Equivalent to 10 /8s, 162 /16s and 181 /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: 30115 Total AfriNIC prefixes after maximum aggregation: 5977 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39368 Unique aggregates announced from the AfriNIC address blocks: 12671 AfriNIC Region origin ASes present in the Internet Routing Table: 1800 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 629 AfriNIC Region transit ASes present in the Internet Routing Table: 337 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1145 Number of AfriNIC addresses announced to Internet: 107707648 Equivalent to 6 /8s, 107 /16s and 125 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5737 785 699 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4247 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3590 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 3333 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3203 495 248 BBIL-AP BHARTI Airtel Ltd., IN 24560 2536 850 381 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2190 442 202 TATACOMM-AS TATA Communications formerl 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 9101 10992 3280 AMAZON-02, US 11492 4537 301 672 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3522 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54958 2414 DNIC-AS-00749, US 367 3027 3852 1424 DNIC-ASBLK-00306-00371, US 16625 2985 1389 2278 AKAMAI-AS, US 396982 2702 3598 398 GOOGLE-CLOUD-PLATFORM, US 30036 2499 359 367 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 7393 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4071 3398 152 AKAMAI-ASN1, NL 8551 3448 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3090 276 1513 M247, RO 12389 2893 2295 912 ROSTELECOM-AS, RU 34984 2333 362 593 TELLCOM-AS, TR 58224 1715 914 541 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1527 1852 16 TE-AS TE-AS, EG 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 11841 3378 608 UNINET, MX 10620 3534 504 858 Telmex Colombia S.A., CO 13999 2410 331 625 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 344 508 Axtel, S.A.B. de C.V., MX 3816 1296 766 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1077 169 428 Techtel LMDS Comunicaciones Interactiva 26615 1036 2501 50 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 24863 1608 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1044 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 15399 540 55 53 WANANCHI-, KE 37342 488 32 1 MOVITEL, MZ 24757 479 73 5 EthioNet-AS, ET 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 11841 3378 608 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9101 10992 3280 AMAZON-02, US 12479 7393 1713 145 UNI2-AS, ES 7545 5737 785 699 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4537 301 672 CABLEONE, US 18403 4247 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4071 3398 152 AKAMAI-ASN1, NL 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7393 7248 UNI2-AS, ES 16509 9101 5821 AMAZON-02, US 7545 5737 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4247 4222 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 20940 4071 3919 AKAMAI-ASN1, NL 11492 4537 3865 CABLEONE, US 7552 3590 3570 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /9:14 /10:37 /11:101 /12:299 /13:577 /14:1194 /15:2092 /16:13446 /17:8229 /18:13720 /19:24840 /20:43345 /21:51210 /22:109721 /23:98614 /24:558079 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6479 7393 UNI2-AS, ES 8151 5865 11841 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3450 4537 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3119 4173 VIASAT-SP-BACKBONE, US 8551 2925 3448 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2577 3522 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2108 3534 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2207 2:1429 3:265 4:5 5:4386 6:137 7:6 8:1499 9:1 11:172 12:1502 13:368 14:2319 15:304 16:191 17:367 18:658 20:300 21:4 22:188 23:6422 24:2516 25:2 27:2588 29:19 31:2544 32:75 34:26 35:114 36:2002 37:4539 38:5392 39:870 40:143 41:4007 42:2059 43:2270 44:323 45:16563 46:4282 47:371 49:1826 50:1884 51:581 52:1591 54:391 55:934 56:5 57:127 58:1783 59:1114 60:1003 61:2543 62:2684 63:1908 64:5648 65:2350 66:4972 67:3038 68:1344 69:4124 70:1187 71:666 72:2928 74:2619 75:1566 76:625 77:2295 78:1828 79:2997 80:2096 81:1825 82:1524 83:1303 84:1558 85:3058 86:760 87:1995 88:1206 89:3930 90:625 91:7854 92:2064 93:2627 94:3540 95:4072 96:1300 97:316 98:1083 99:733 100:90 101:1292 102:2911 103:32137 104:4733 105:577 106:906 107:2723 108:1130 109:4222 110:2136 111:3137 112:2056 113:1748 114:1691 115:1998 116:1879 117:2535 118:2711 119:1957 120:1783 121:1129 122:2604 123:2171 124:1576 125:2558 128:1398 129:911 130:1036 131:1962 132:858 133:408 134:1779 135:306 136:1013 137:970 138:2636 139:1591 140:1299 141:1323 142:1514 143:1603 144:1003 145:350 146:1959 147:1608 148:2443 149:2315 150:877 151:1231 152:1957 153:523 154:5121 155:1392 156:1992 157:1345 158:1057 159:2195 160:2645 161:1579 162:3520 163:1605 164:1695 165:1853 166:1064 167:1737 168:3824 169:794 170:4628 171:952 172:3794 173:2964 174:982 175:1179 176:3754 177:4503 178:3548 179:2145 180:2461 181:3522 182:3370 183:1988 184:2269 185:20606 186:4751 187:4163 188:4136 189:3881 190:9323 191:1375 192:10966 193:8944 194:7288 195:5210 196:3175 197:2471 198:5927 199:6202 200:7925 201:6164 202:10181 203:10003 204:4536 205:3693 206:4306 207:3410 208:4110 209:4871 210:4213 211:2448 212:4290 213:3392 214:1109 215:70 216:6699 217:2767 218:1270 219:407 220:1803 221:982 222:662 223:2145 End of report