IPv4 R&E Routing Table Report 23:05 GMT Mon 03 Feb, 2025 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: 971089 Prefixes after maximum aggregation (per Origin AS): 371848 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 473724 Number of IPv4 prefixes with a valid ROA: 525649 Number of IPv4 prefixes with an invalid ROA: 1212 Number of IPv4 prefixes with no ROA: 444228 Total ASes present in the Internet Routing Table: 76403 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65555 Origin ASes announcing only one prefix: 26815 Transit ASes present in the Internet Routing Table: 10848 Transit-only ASes present in the Internet Routing Table: 515 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1052 Number of instances of unregistered ASNs: 1057 Number of 32-bit ASNs allocated by the RIRs: 46096 Number of 32-bit ASNs visible in the Routing Table: 37682 Prefixes from 32-bit ASNs in the Routing Table: 198883 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 499 Number of addresses announced to Internet: 3111505920 Equivalent to 185 /8s, 117 /16s and 208 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 318191 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255146 Total APNIC prefixes after maximum aggregation: 76334 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246702 Unique aggregates announced from the APNIC address blocks: 102572 APNIC Region origin ASes present in the Internet Routing Table: 14426 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4397 APNIC Region transit ASes present in the Internet Routing Table: 1938 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9948 Number of APNIC addresses announced to Internet: 753157888 Equivalent to 44 /8s, 228 /16s and 71 /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: 285700 Total ARIN prefixes after maximum aggregation: 127232 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287245 Unique aggregates announced from the ARIN address blocks: 135002 ARIN Region origin ASes present in the Internet Routing Table: 19170 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7013 ARIN Region transit ASes present in the Internet Routing Table: 1917 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5123 Number of ARIN addresses announced to Internet: 1343651328 Equivalent to 80 /8s, 22 /16s and 126 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 271398 Total RIPE prefixes after maximum aggregation: 131734 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268563 Unique aggregates announced from the RIPE address blocks: 171578 RIPE Region origin ASes present in the Internet Routing Table: 28829 RIPE Prefixes per ASN: 9.32 RIPE Region origin ASes announcing only one prefix: 12058 RIPE Region transit ASes present in the Internet Routing Table: 3958 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12225 Number of RIPE addresses announced to Internet: 732212480 Equivalent to 43 /8s, 164 /16s and 173 /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, 53/8, 57/8, 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: 123072 Total LACNIC prefixes after maximum aggregation: 29188 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120388 Unique aggregates announced from the LACNIC address blocks: 48836 LACNIC Region origin ASes present in the Internet Routing Table: 11184 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2652 LACNIC Region transit ASes present in the Internet Routing Table: 2496 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9120 Number of LACNIC addresses announced to Internet: 177860608 Equivalent to 10 /8s, 153 /16s and 240 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 34721 Total AfriNIC prefixes after maximum aggregation: 6712 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 47692 Unique aggregates announced from the AfriNIC address blocks: 15322 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 24.98 AfriNIC Region origin ASes announcing only one prefix: 695 AfriNIC Region transit ASes present in the Internet Routing Table: 367 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1266 Number of AfriNIC addresses announced to Internet: 104365824 Equivalent to 6 /8s, 56 /16s and 127 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6209 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4199 529 273 BBIL-AP BHARTI Airtel Ltd., IN 18403 4180 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3913 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3254 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2838 853 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2220 434 195 TATACOMM-AS TATA Communications formerly 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 12687 38939 3734 AMAZON-02, US 11492 4697 312 552 CABLEONE, US 7155 4177 287 86 VIASAT-SP-BACKBONE, US 174 3644 8758 875 COGENT-174, US 6327 3615 1320 81 SHAW, CA 22773 3385 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 396982 2915 3659 441 GOOGLE-CLOUD-PLATFORM, US 16625 2880 1239 2136 AKAMAI-AS, US 30036 2577 358 277 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 7729 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3886 3395 125 AKAMAI-ASN1, NL 9009 3728 320 1912 M247, RO 12389 2982 2302 888 ROSTELECOM-AS, RU 34984 2369 361 580 TELLCOM-AS, TR 212238 1911 137 1409 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1586 1852 14 TE-AS TE-AS, EG 62240 1495 98 747 CLOUVIDER Clouvider - Global ASN, GB 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 11672 3224 604 UNINET, MX 10620 3540 492 954 Telmex Colombia S.A., CO 13999 2502 539 365 Mega Cable, S.A. de C.V., MX 11830 1991 369 64 Instituto Costarricense de Electricidad y 28573 1336 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1134 374 163 Axtel, S.A.B. de C.V., MX 6147 1104 371 22 Telefonica del Peru S.A.A., PE 22884 1076 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1008 278 33 Techtel LMDS Comunicaciones Interactivas 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 1681 601 30 RAYA-AS, EG 24863 1646 389 16 LINKdotNET-AS, EG 29571 1538 97 99 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1018 523 45 Vodafone-, EG 20011 978 180 282 INTERNET-SOLUTIONS, ZA 37069 843 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 550 82 3 KENET-AS, KE 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 16509 12687 38939 3734 AMAZON-02, US 8151 11672 3224 604 UNINET, MX 9808 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7729 1711 144 UNI2-AS, ES 7545 6209 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4697 312 552 CABLEONE, US 9498 4199 529 273 BBIL-AP BHARTI Airtel Ltd., IN 18403 4180 347 24 FPT-AS-AP FPT Telecom Company, VN 7155 4177 287 86 VIASAT-SP-BACKBONE, 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 8151 11672 11068 UNINET, MX 9808 10334 10246 CHINAMOBILE-CN China Mobile Communications Grou 12479 7729 7585 UNI2-AS, ES 7545 6209 5546 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4180 4156 FPT-AS-AP FPT Telecom Company, VN 11492 4697 4145 CABLEONE, US 7155 4177 4091 VIASAT-SP-BACKBONE, US 9498 4199 3926 BBIL-AP BHARTI Airtel Ltd., IN 7552 3913 3888 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /9:16 /10:42 /11:92 /12:307 /13:585 /14:1214 /15:2144 /16:13898 /17:8208 /18:13633 /19:24451 /20:43731 /21:51792 /22:111868 /23:100391 /24:598701 /25:0 /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 6690 7729 UNI2-AS, ES 8151 5893 11672 UNINET, MX 11492 3555 4697 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3125 4177 VIASAT-SP-BACKBONE, US 22773 2520 3385 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2272 12687 AMAZON-02, US 30036 2238 2577 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2180 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) ---------------------------------------------- 1:2303 2:1519 3:566 4:9 5:4740 6:165 7:6 8:1545 9:1 11:172 12:1382 13:347 14:2501 15:343 16:270 17:358 18:913 20:450 21:4 22:188 23:7223 24:2731 25:2 27:2710 29:19 31:3111 32:38 34:74 35:198 36:2404 37:4663 38:8608 39:895 40:155 41:4190 42:1911 43:2505 44:346 45:18160 46:4961 47:293 49:1987 50:1863 51:590 52:1572 54:307 55:1140 56:9 57:236 58:2208 59:1186 60:1163 61:2840 62:2919 63:1826 64:5465 65:2202 66:4607 67:3025 68:1179 69:4014 70:1110 71:605 72:2856 74:2779 75:1639 76:629 77:2612 78:1850 79:1681 80:2205 81:2046 82:2190 83:1525 84:1795 85:3293 86:1013 87:2181 88:1271 89:4380 90:753 91:8326 92:2781 93:2877 94:3923 95:4174 96:1293 97:308 98:991 99:737 100:71 101:1373 102:3642 103:32354 104:4660 105:756 106:1015 107:2601 108:1162 109:4044 110:2218 111:3396 112:2044 113:1793 114:1938 115:2162 116:2035 117:2746 118:2843 119:1931 120:1871 121:1346 122:2736 123:2155 124:1596 125:2877 126:94 128:1556 129:953 130:1263 131:1862 132:798 133:450 134:1520 135:321 136:1333 137:1100 138:2889 139:1601 140:1541 141:1475 142:1826 143:1612 144:1043 145:461 146:2133 147:2055 148:2590 149:2830 150:1202 151:1646 152:2045 153:504 154:8001 155:1609 156:3573 157:1880 158:1256 159:2413 160:3531 161:1845 162:3637 163:1783 164:1693 165:2174 166:1319 167:1877 168:4057 169:789 170:5052 171:1000 172:4282 173:3205 174:916 175:1281 176:3600 177:4771 178:3769 179:2210 180:2536 181:3953 182:3368 183:2035 184:2262 185:21426 186:5042 187:4288 188:4226 189:4116 190:9583 191:1526 192:11215 193:9369 194:7711 195:5463 196:3195 197:3695 198:6039 199:8294 200:7992 201:6284 202:10318 203:10512 204:4527 205:3619 206:4611 207:3467 208:4189 209:5119 210:4533 211:2520 212:4511 213:3731 214:1053 215:42 216:6600 217:3099 218:1334 219:376 220:2111 221:1052 222:716 223:2312 End of report