IPv4 R&E Routing Table Report 23:05 GMT Sun 02 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: 970670 Prefixes after maximum aggregation (per Origin AS): 371835 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 473677 Number of IPv4 prefixes with a valid ROA: 524732 Number of IPv4 prefixes with an invalid ROA: 1031 Number of IPv4 prefixes with no ROA: 444907 Total ASes present in the Internet Routing Table: 76404 Prefixes per ASN: 12.70 Origin-only ASes present in the Internet Routing Table: 65553 Origin ASes announcing only one prefix: 26829 Transit ASes present in the Internet Routing Table: 10851 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: 1058 Number of instances of unregistered ASNs: 1063 Number of 32-bit ASNs allocated by the RIRs: 46095 Number of 32-bit ASNs visible in the Routing Table: 37678 Prefixes from 32-bit ASNs in the Routing Table: 198381 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: 3112681984 Equivalent to 185 /8s, 135 /16s and 194 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 318002 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254917 Total APNIC prefixes after maximum aggregation: 76331 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246479 Unique aggregates announced from the APNIC address blocks: 102532 APNIC Region origin ASes present in the Internet Routing Table: 14421 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4403 APNIC Region transit ASes present in the Internet Routing Table: 1939 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: 9944 Number of APNIC addresses announced to Internet: 753152512 Equivalent to 44 /8s, 228 /16s and 50 /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: 285744 Total ARIN prefixes after maximum aggregation: 127236 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287237 Unique aggregates announced from the ARIN address blocks: 135003 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: 7016 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: 5122 Number of ARIN addresses announced to Internet: 1344683264 Equivalent to 80 /8s, 38 /16s and 61 /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: 270837 Total RIPE prefixes after maximum aggregation: 131729 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268016 Unique aggregates announced from the RIPE address blocks: 171528 RIPE Region origin ASes present in the Internet Routing Table: 28833 RIPE Prefixes per ASN: 9.30 RIPE Region origin ASes announcing only one prefix: 12061 RIPE Region transit ASes present in the Internet Routing Table: 3957 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: 732363264 Equivalent to 43 /8s, 166 /16s and 250 /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: 123305 Total LACNIC prefixes after maximum aggregation: 29173 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120656 Unique aggregates announced from the LACNIC address blocks: 48858 LACNIC Region origin ASes present in the Internet Routing Table: 11183 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2656 LACNIC Region transit ASes present in the Internet Routing Table: 2501 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: 177864192 Equivalent to 10 /8s, 153 /16s and 254 /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: 34809 Total AfriNIC prefixes after maximum aggregation: 6712 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 47783 Unique aggregates announced from the AfriNIC address blocks: 15342 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 25.02 AfriNIC Region origin ASes announcing only one prefix: 693 AfriNIC Region transit ASes present in the Internet Routing Table: 368 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: 1267 Number of AfriNIC addresses announced to Internet: 104360960 Equivalent to 6 /8s, 56 /16s and 108 /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 4182 528 273 BBIL-AP BHARTI Airtel Ltd., IN 18403 4169 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3255 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2836 852 538 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 12677 38941 3734 AMAZON-02, US 11492 4697 312 552 CABLEONE, US 7155 4177 287 86 VIASAT-SP-BACKBONE, US 174 3649 8758 876 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 2905 3657 445 GOOGLE-CLOUD-PLATFORM, US 16625 2872 1235 2138 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 7759 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3882 3395 125 AKAMAI-ASN1, NL 9009 3710 319 1909 M247, RO 12389 2982 2302 888 ROSTELECOM-AS, RU 34984 2369 361 580 TELLCOM-AS, TR 212238 1905 136 1405 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1577 1852 14 TE-AS TE-AS, EG 62240 1496 99 748 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 11682 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 1992 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 1137 374 163 Axtel, S.A.B. de C.V., MX 6147 1102 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 1547 98 102 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 871 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 546 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 12677 38941 3734 AMAZON-02, US 8151 11682 3224 604 UNINET, MX 9808 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7759 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 4182 528 273 BBIL-AP BHARTI Airtel Ltd., IN 7155 4177 287 86 VIASAT-SP-BACKBONE, US 18403 4169 347 24 FPT-AS-AP FPT Telecom Company, VN 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 11682 11078 UNINET, MX 9808 10334 10246 CHINAMOBILE-CN China Mobile Communications Grou 12479 7759 7615 UNI2-AS, ES 7545 6209 5546 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 11492 4697 4145 CABLEONE, US 18403 4169 4145 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4091 VIASAT-SP-BACKBONE, US 9498 4182 3909 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 3887 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 /12:308 /13:585 /14:1215 /15:2144 /16:13896 /17:8208 /18:13629 /19:24449 /20:43760 /21:51811 /22:111814 /23:100560 /24:598125 /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 6719 7759 UNI2-AS, ES 8151 5893 11682 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 2264 12677 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 3:568 4:9 5:4584 6:165 7:6 8:1545 9:1 11:172 12:1382 13:349 14:2501 15:343 16:270 17:358 18:913 20:450 21:4 22:188 23:7211 24:2733 25:2 27:2696 29:19 31:3114 32:38 34:74 35:184 36:2404 37:4570 38:8600 39:895 40:151 41:4200 42:1910 43:2508 44:347 45:18173 46:4962 47:293 49:1987 50:1864 51:590 52:1572 54:307 55:1140 56:9 57:233 58:2208 59:1185 60:1163 61:2840 62:2931 63:1825 64:5493 65:2202 66:4613 67:3030 68:1178 69:4009 70:1102 71:605 72:2857 74:2773 75:1638 76:628 77:2617 78:1851 79:1681 80:2208 81:2049 82:2156 83:1432 84:1796 85:3294 86:1004 87:2183 88:1273 89:4356 90:755 91:8324 92:2776 93:2880 94:3924 95:4170 96:1293 97:308 98:991 99:737 100:71 101:1375 102:3671 103:32343 104:4657 105:756 106:1015 107:2601 108:1162 109:3933 110:2206 111:3396 112:2044 113:1769 114:1940 115:2158 116:2025 117:2745 118:2845 119:1932 120:1858 121:1338 122:2737 123:2150 124:1596 125:2877 126:94 128:1555 129:953 130:1260 131:1865 132:799 133:450 134:1519 135:321 136:1333 137:1100 138:2882 139:1589 140:1532 141:1478 142:1826 143:1613 144:1051 145:460 146:2132 147:2055 148:2590 149:2832 150:1202 151:1643 152:2048 153:504 154:7962 155:1603 156:3621 157:1877 158:1254 159:2417 160:3527 161:1811 162:3646 163:1780 164:1686 165:2173 166:1319 167:1875 168:4051 169:789 170:5051 171:999 172:4285 173:3221 174:916 175:1276 176:3600 177:4723 178:3778 179:2208 180:2535 181:3953 182:3368 183:2035 184:2261 185:21417 186:5091 187:4292 188:4238 189:4126 190:9579 191:1534 192:11217 193:9361 194:7708 195:5459 196:3206 197:3685 198:6043 199:8286 200:8026 201:6294 202:10312 203:10505 204:4526 205:3616 206:4615 207:3500 208:4190 209:5116 210:4492 211:2513 212:4512 213:3732 214:1050 215:42 216:6605 217:3097 218:1334 219:376 220:2111 221:1052 222:716 223:2311 End of report