IPv4 R&E Routing Table Report 23:05 GMT Sun 29 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: 926687 Prefixes after maximum aggregation (per Origin AS): 353826 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454215 Number of IPv4 prefixes with a valid ROA: 426789 Number of IPv4 prefixes with an invalid ROA: 1612 Number of IPv4 prefixes with no ROA: 498286 Total ASes present in the Internet Routing Table: 74806 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64222 Origin ASes announcing only one prefix: 26456 Transit ASes present in the Internet Routing Table: 10584 Transit-only ASes present in the Internet Routing Table: 469 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 106 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1049 Number of instances of unregistered ASNs: 1051 Number of 32-bit ASNs allocated by the RIRs: 42954 Number of 32-bit ASNs visible in the Routing Table: 35224 Prefixes from 32-bit ASNs in the Routing Table: 175996 Number of bogon 32-bit ASNs visible in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 512 Number of addresses announced to Internet: 3050927360 Equivalent to 181 /8s, 217 /16s and 117 /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: 99.6 Total number of prefixes smaller than registry allocations: 309237 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242285 Total APNIC prefixes after maximum aggregation: 70546 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 235787 Unique aggregates announced from the APNIC address blocks: 99149 APNIC Region origin ASes present in the Internet Routing Table: 13617 APNIC Prefixes per ASN: 17.32 APNIC Region origin ASes announcing only one prefix: 4077 APNIC Region transit ASes present in the Internet Routing Table: 1829 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9012 Number of APNIC addresses announced to Internet: 771588096 Equivalent to 45 /8s, 253 /16s and 128 /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: 272365 Total ARIN prefixes after maximum aggregation: 123841 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276513 Unique aggregates announced from the ARIN address blocks: 132334 ARIN Region origin ASes present in the Internet Routing Table: 19044 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6982 ARIN Region transit ASes present in the Internet Routing Table: 1895 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4815 Number of ARIN addresses announced to Internet: 1276509952 Equivalent to 76 /8s, 21 /16s and 255 /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: 261822 Total RIPE prefixes after maximum aggregation: 124331 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256542 Unique aggregates announced from the RIPE address blocks: 160355 RIPE Region origin ASes present in the Internet Routing Table: 28441 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12088 RIPE Region transit ASes present in the Internet Routing Table: 3960 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11385 Number of RIPE addresses announced to Internet: 716554496 Equivalent to 42 /8s, 181 /16s and 193 /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: 118782 Total LACNIC prefixes after maximum aggregation: 28405 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117721 Unique aggregates announced from the LACNIC address blocks: 49294 LACNIC Region origin ASes present in the Internet Routing Table: 11037 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2351 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 34 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8870 Number of LACNIC addresses announced to Internet: 178331648 Equivalent to 10 /8s, 161 /16s and 32 /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: 30384 Total AfriNIC prefixes after maximum aggregation: 5982 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 39612 Unique aggregates announced from the AfriNIC address blocks: 12653 AfriNIC Region origin ASes present in the Internet Routing Table: 1799 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 624 AfriNIC Region transit ASes present in the Internet Routing Table: 341 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1142 Number of AfriNIC addresses announced to Internet: 107520256 Equivalent to 6 /8s, 104 /16s and 161 /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 9478 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4247 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3612 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3604 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3322 1840 100 VNPT-AS-VN VNPT Corp, VN 9498 3228 490 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2558 850 376 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2192 442 203 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 9148 11017 3322 AMAZON-02, US 11492 4539 301 674 CABLEONE, US 7155 4160 288 96 VIASAT-SP-BACKBONE, US 6327 3555 1320 67 SHAW, CA 22773 3519 3055 300 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3057 3846 1426 DNIC-ASBLK-00306-00371, US 16625 3012 1386 2294 AKAMAI-AS, US 396982 2706 3598 397 GOOGLE-CLOUD-PLATFORM, US 7018 2558 23615 1606 ATT-INTERNET4, 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 7417 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4087 3397 147 AKAMAI-ASN1, NL 8551 3445 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3234 285 1603 M247, RO 12389 2891 2295 912 ROSTELECOM-AS, RU 34984 2325 361 593 TELLCOM-AS, TR 58224 1661 913 568 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1522 1852 14 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 11927 3371 616 UNINET, MX 10620 3540 504 856 Telmex Colombia S.A., CO 13999 2425 336 634 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 770 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1243 341 504 Axtel, S.A.B. de C.V., MX 6147 1109 369 22 Telefonica del Peru S.A.A., PE 11664 1058 168 430 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 1604 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 1048 67 46 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 538 55 52 WANANCHI-, KE 37342 495 32 1 MOVITEL, MZ 24757 480 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 11927 3371 616 UNINET, MX 9808 9478 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9148 11017 3322 AMAZON-02, US 12479 7417 1713 145 UNI2-AS, ES 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4539 301 674 CABLEONE, US 18403 4247 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4160 288 96 VIASAT-SP-BACKBONE, US 20940 4087 3397 147 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 9478 9438 CHINAMOBILE-CN China Mobile Communications Grou 12479 7417 7272 UNI2-AS, ES 16509 9148 5826 AMAZON-02, US 7545 5715 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4247 4222 FPT-AS-AP FPT Telecom Company, VN 7155 4160 4064 VIASAT-SP-BACKBONE, US 20940 4087 3940 AKAMAI-ASN1, NL 11492 4539 3865 CABLEONE, US 7552 3612 3592 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 17054 EXPEDIENT, 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 /11:100 /12:299 /13:579 /14:1193 /15:2090 /16:13450 /17:8240 /18:13706 /19:24808 /20:43272 /21:51185 /22:109801 /23:98777 /24:559110 /25:0 /26:2 /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 6505 7417 UNI2-AS, ES 8151 5954 11927 UNINET, MX 11492 3452 4539 CABLEONE, US 6327 3364 3555 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3108 4160 VIASAT-SP-BACKBONE, US 8551 2922 3445 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2577 3519 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2114 3540 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) ---------------------------------------------- 1:2216 2:1432 3:268 4:5 5:4394 6:158 7:6 8:1499 9:1 11:172 12:1508 13:356 14:2309 15:306 16:203 17:365 18:664 20:308 21:4 22:188 23:6489 24:2525 25:2 27:2578 29:19 31:2552 32:71 34:27 35:115 36:2016 37:4463 38:5447 39:866 40:149 41:4012 42:2057 43:2260 44:324 45:16671 46:4335 47:371 49:1851 50:1871 51:578 52:1589 54:394 55:960 56:5 57:127 58:1800 59:1115 60:1008 61:2555 62:2650 63:1901 64:5510 65:2302 66:4971 67:3048 68:1342 69:4128 70:1184 71:627 72:2939 74:2627 75:1554 76:630 77:2329 78:1826 79:3009 80:2115 81:1830 82:1524 83:1305 84:1539 85:2996 86:762 87:1947 88:1197 89:3945 90:625 91:7874 92:2076 93:2620 94:3579 95:3997 96:1304 97:315 98:1083 99:733 100:91 101:1384 102:2959 103:32166 104:4783 105:576 106:982 107:2790 108:1136 109:4242 110:2132 111:3128 112:2057 113:1747 114:1692 115:1988 116:1910 117:2522 118:2700 119:1958 120:1764 121:1161 122:2606 123:2171 124:1576 125:2593 128:1395 129:911 130:1039 131:1971 132:848 133:408 134:1770 135:301 136:910 137:979 138:2676 139:1572 140:1317 141:1327 142:1535 143:1524 144:997 145:347 146:1963 147:1611 148:2476 149:2356 150:877 151:1239 152:1953 153:535 154:5247 155:1402 156:2028 157:1358 158:1060 159:2195 160:2626 161:1591 162:3500 163:1615 164:1686 165:1859 166:1060 167:1746 168:3824 169:792 170:4615 171:955 172:3874 173:2994 174:977 175:1188 176:3605 177:4482 178:3532 179:2126 180:2501 181:3588 182:3385 183:1988 184:2271 185:20651 186:4736 187:4170 188:4049 189:3909 190:9323 191:1395 192:10961 193:8954 194:7309 195:5217 196:3210 197:2561 198:5927 199:6355 200:7950 201:6195 202:10222 203:9999 204:4543 205:3684 206:4346 207:3398 208:4098 209:4875 210:4211 211:2448 212:4256 213:3392 214:1113 215:71 216:6704 217:2763 218:1275 219:408 220:1802 221:986 222:670 223:2146 End of report