IPv4 R&E Routing Table Report 23:05 GMT Fri 24 Jan, 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: 970779 Prefixes after maximum aggregation (per Origin AS): 371026 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 472989 Number of IPv4 prefixes with a valid ROA: 524062 Number of IPv4 prefixes with an invalid ROA: 961 Number of IPv4 prefixes with no ROA: 445756 Total ASes present in the Internet Routing Table: 76411 Prefixes per ASN: 12.70 Origin-only ASes present in the Internet Routing Table: 65571 Origin ASes announcing only one prefix: 26860 Transit ASes present in the Internet Routing Table: 10840 Transit-only ASes present in the Internet Routing Table: 519 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 1047 Number of instances of unregistered ASNs: 1052 Number of 32-bit ASNs allocated by the RIRs: 46056 Number of 32-bit ASNs visible in the Routing Table: 37658 Prefixes from 32-bit ASNs in the Routing Table: 198551 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: 510 Number of addresses announced to Internet: 3115331584 Equivalent to 185 /8s, 176 /16s and 48 /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: 317824 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255058 Total APNIC prefixes after maximum aggregation: 76284 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246573 Unique aggregates announced from the APNIC address blocks: 102573 APNIC Region origin ASes present in the Internet Routing Table: 14424 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4415 APNIC Region transit ASes present in the Internet Routing Table: 1934 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: 9952 Number of APNIC addresses announced to Internet: 755155968 Equivalent to 45 /8s, 2 /16s and 196 /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: 285644 Total ARIN prefixes after maximum aggregation: 126887 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287161 Unique aggregates announced from the ARIN address blocks: 134516 ARIN Region origin ASes present in the Internet Routing Table: 19167 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7021 ARIN Region transit ASes present in the Internet Routing Table: 1922 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: 5112 Number of ARIN addresses announced to Internet: 1344822528 Equivalent to 80 /8s, 40 /16s and 93 /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: 270804 Total RIPE prefixes after maximum aggregation: 131451 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 267861 Unique aggregates announced from the RIPE address blocks: 171209 RIPE Region origin ASes present in the Internet Routing Table: 28834 RIPE Prefixes per ASN: 9.29 RIPE Region origin ASes announcing only one prefix: 12083 RIPE Region transit ASes present in the Internet Routing Table: 3944 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12211 Number of RIPE addresses announced to Internet: 733253888 Equivalent to 43 /8s, 180 /16s and 145 /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: 123713 Total LACNIC prefixes after maximum aggregation: 29044 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 121095 Unique aggregates announced from the LACNIC address blocks: 48851 LACNIC Region origin ASes present in the Internet Routing Table: 11185 LACNIC Prefixes per ASN: 10.83 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2497 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: 177474816 Equivalent to 10 /8s, 148 /16s and 13 /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: 34513 Total AfriNIC prefixes after maximum aggregation: 6709 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 47579 Unique aggregates announced from the AfriNIC address blocks: 15415 AfriNIC Region origin ASes present in the Internet Routing Table: 1907 AfriNIC Prefixes per ASN: 24.95 AfriNIC Region origin ASes announcing only one prefix: 694 AfriNIC Region transit ASes present in the Internet Routing Table: 366 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: 1263 Number of AfriNIC addresses announced to Internet: 104361984 Equivalent to 6 /8s, 56 /16s and 112 /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 10337 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6204 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 347 24 FPT-AS-AP FPT Telecom Company, VN 9498 4163 528 273 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3254 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2829 850 546 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2225 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 12616 38857 3706 AMAZON-02, US 11492 4696 312 551 CABLEONE, US 174 4190 8761 888 COGENT-174, US 7155 4176 287 86 VIASAT-SP-BACKBONE, US 6327 3615 1320 81 SHAW, CA 22773 3382 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 396982 2908 3657 446 GOOGLE-CLOUD-PLATFORM, US 16625 2875 1234 2137 AKAMAI-AS, US 30036 2571 358 282 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 7725 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3891 3395 125 AKAMAI-ASN1, NL 9009 3746 321 1898 M247, RO 12389 2983 2302 888 ROSTELECOM-AS, RU 34984 2370 361 579 TELLCOM-AS, TR 212238 1904 136 1404 CDNEXT, GB 8452 1616 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1497 99 750 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 11653 3230 600 UNINET, MX 10620 3539 492 954 Telmex Colombia S.A., CO 13999 2512 539 366 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 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1170 374 163 Axtel, S.A.B. de C.V., MX 11664 1153 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1109 371 22 Telefonica del Peru S.A.A., PE 22884 1076 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1682 601 30 RAYA-AS, EG 24863 1648 389 18 LINKdotNET-AS, EG 29571 1546 97 106 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1002 521 42 Vodafone-, EG 20011 978 180 282 INTERNET-SOLUTIONS, ZA 37069 839 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 552 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 12616 38857 3706 AMAZON-02, US 8151 11653 3230 600 UNINET, MX 9808 10337 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7725 1711 144 UNI2-AS, ES 7545 6204 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4696 312 551 CABLEONE, US 18403 4217 347 24 FPT-AS-AP FPT Telecom Company, VN 174 4190 8761 888 COGENT-174, US 7155 4176 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 11653 11053 UNINET, MX 9808 10337 10249 CHINAMOBILE-CN China Mobile Communications Grou 12479 7725 7581 UNI2-AS, ES 7545 6204 5541 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4217 4193 FPT-AS-AP FPT Telecom Company, VN 11492 4696 4145 CABLEONE, US 7155 4176 4090 VIASAT-SP-BACKBONE, US 9498 4163 3890 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 23.140.176.0/24 Origin: 40676 AS40676, US 23.140.176.0/24 Transit: 7922 COMCAST-7922, 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 /11:93 /12:309 /13:586 /14:1217 /15:2145 /16:13913 /17:8207 /18:13609 /19:24455 /20:43698 /21:51795 /22:111819 /23:100492 /24:598367 /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 6686 7725 UNI2-AS, ES 8151 5861 11653 UNINET, MX 11492 3555 4696 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3124 4176 VIASAT-SP-BACKBONE, US 22773 2518 3382 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2247 12616 AMAZON-02, US 30036 2232 2571 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2179 3539 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) ---------------------------------------------- 1:2304 2:1526 3:558 4:9 5:4635 6:165 7:6 8:1545 9:1 11:172 12:1386 13:351 14:2496 15:339 16:270 17:359 18:906 20:450 21:4 22:188 23:7220 24:2733 25:2 27:2711 29:19 31:3104 32:37 34:73 35:184 36:2402 37:4544 38:9075 39:895 40:151 41:4176 42:1928 43:2508 44:347 45:18206 46:4964 47:293 49:1984 50:1873 51:589 52:1572 54:307 55:1142 56:9 57:234 58:2208 59:1185 60:1162 61:2858 62:2929 63:1825 64:5483 65:2200 66:4600 67:3015 68:1164 69:4018 70:1101 71:603 72:2852 74:2769 75:1637 76:628 77:2607 78:1849 79:1723 80:2208 81:2048 82:2025 83:1428 84:1799 85:3275 86:999 87:2171 88:1274 89:4374 90:754 91:8319 92:2787 93:2901 94:3851 95:4152 96:1287 97:308 98:987 99:736 100:71 101:1379 102:3592 103:32383 104:4626 105:745 106:1014 107:2596 108:1186 109:4074 110:2220 111:3359 112:2045 113:1800 114:1941 115:2161 116:2026 117:2748 118:2858 119:1939 120:1869 121:1348 122:2726 123:2151 124:1598 125:2872 126:94 128:1572 129:948 130:1252 131:1874 132:805 133:451 134:1514 135:324 136:1336 137:1097 138:2897 139:1584 140:1527 141:1466 142:1834 143:1596 144:1037 145:466 146:2126 147:2054 148:2599 149:2843 150:1208 151:1626 152:2086 153:504 154:8063 155:1551 156:3512 157:1872 158:1254 159:2421 160:3518 161:1798 162:3643 163:1781 164:1695 165:2152 166:1334 167:1860 168:4091 169:786 170:5057 171:999 172:4040 173:3187 174:916 175:1281 176:3589 177:4883 178:3752 179:2215 180:2528 181:3952 182:3365 183:2052 184:2261 185:21382 186:5131 187:4358 188:4230 189:4112 190:9591 191:1556 192:11225 193:9355 194:7700 195:5457 196:3201 197:3613 198:6025 199:8282 200:8019 201:6311 202:10309 203:10514 204:4518 205:3642 206:4616 207:3484 208:4191 209:5117 210:4460 211:2514 212:4524 213:3741 214:1045 215:42 216:6595 217:3096 218:1334 219:376 220:2110 221:1052 222:718 223:2315 End of report