IPv4 R&E Routing Table Report 23:05 GMT Thu 23 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: 969368 Prefixes after maximum aggregation (per Origin AS): 370522 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 472299 Number of IPv4 prefixes with a valid ROA: 523182 Number of IPv4 prefixes with an invalid ROA: 959 Number of IPv4 prefixes with no ROA: 445227 Total ASes present in the Internet Routing Table: 76410 Prefixes per ASN: 12.69 Origin-only ASes present in the Internet Routing Table: 65571 Origin ASes announcing only one prefix: 26855 Transit ASes present in the Internet Routing Table: 10839 Transit-only ASes present in the Internet Routing Table: 516 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: 1057 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 46064 Number of 32-bit ASNs visible in the Routing Table: 37656 Prefixes from 32-bit ASNs in the Routing Table: 198353 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: 508 Number of addresses announced to Internet: 3115455744 Equivalent to 185 /8s, 178 /16s and 21 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 317236 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254889 Total APNIC prefixes after maximum aggregation: 76202 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246555 Unique aggregates announced from the APNIC address blocks: 102539 APNIC Region origin ASes present in the Internet Routing Table: 14427 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4411 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: 755140608 Equivalent to 45 /8s, 2 /16s and 136 /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: 285280 Total ARIN prefixes after maximum aggregation: 126705 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 286821 Unique aggregates announced from the ARIN address blocks: 134481 ARIN Region origin ASes present in the Internet Routing Table: 19169 ARIN Prefixes per ASN: 14.96 ARIN Region origin ASes announcing only one prefix: 7021 ARIN Region transit ASes present in the Internet Routing Table: 1921 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: 5114 Number of ARIN addresses announced to Internet: 1346266624 Equivalent to 80 /8s, 62 /16s and 102 /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: 270207 Total RIPE prefixes after maximum aggregation: 131225 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 267207 Unique aggregates announced from the RIPE address blocks: 170656 RIPE Region origin ASes present in the Internet Routing Table: 28828 RIPE Prefixes per ASN: 9.27 RIPE Region origin ASes announcing only one prefix: 12080 RIPE Region transit ASes present in the Internet Routing Table: 3940 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: 12210 Number of RIPE addresses announced to Internet: 731958784 Equivalent to 43 /8s, 160 /16s and 206 /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: 123559 Total LACNIC prefixes after maximum aggregation: 29033 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120966 Unique aggregates announced from the LACNIC address blocks: 48832 LACNIC Region origin ASes present in the Internet Routing Table: 11184 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2652 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: 9116 Number of LACNIC addresses announced to Internet: 177474048 Equivalent to 10 /8s, 148 /16s and 10 /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: 34376 Total AfriNIC prefixes after maximum aggregation: 6695 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 47311 Unique aggregates announced from the AfriNIC address blocks: 15371 AfriNIC Region origin ASes present in the Internet Routing Table: 1908 AfriNIC Prefixes per ASN: 24.80 AfriNIC Region origin ASes announcing only one prefix: 691 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: 1264 Number of AfriNIC addresses announced to Internet: 104354304 Equivalent to 6 /8s, 56 /16s and 82 /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 10338 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6203 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4227 347 24 FPT-AS-AP FPT Telecom Company, VN 9498 4159 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 2825 846 548 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 12603 38854 3727 AMAZON-02, US 11492 4691 312 563 CABLEONE, US 174 4200 8761 889 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 2905 3657 444 GOOGLE-CLOUD-PLATFORM, US 16625 2874 1232 2137 AKAMAI-AS, US 30036 2574 358 270 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 3902 3395 125 AKAMAI-ASN1, NL 9009 3746 321 1898 M247, RO 12389 2980 2302 889 ROSTELECOM-AS, RU 34984 2370 361 579 TELLCOM-AS, TR 212238 1901 136 1401 CDNEXT, GB 8452 1616 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1499 99 752 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 11655 3228 604 UNINET, MX 10620 3539 492 954 Telmex Colombia S.A., CO 13999 2511 539 364 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 1154 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1108 371 22 Telefonica del Peru S.A.A., PE 22884 1074 98 369 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 971 179 275 INTERNET-SOLUTIONS, ZA 37069 839 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 12603 38854 3727 AMAZON-02, US 8151 11655 3228 604 UNINET, MX 9808 10338 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7725 1711 144 UNI2-AS, ES 7545 6203 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4691 312 563 CABLEONE, US 18403 4227 347 24 FPT-AS-AP FPT Telecom Company, VN 174 4200 8761 889 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 11655 11051 UNINET, MX 9808 10338 10250 CHINAMOBILE-CN China Mobile Communications Grou 12479 7725 7581 UNI2-AS, ES 7545 6203 5538 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4227 4203 FPT-AS-AP FPT Telecom Company, VN 11492 4691 4128 CABLEONE, US 7155 4176 4090 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 9498 4159 3886 BBIL-AP BHARTI Airtel Ltd., IN 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 /12:310 /13:586 /14:1218 /15:2146 /16:13911 /17:8204 /18:13600 /19:24438 /20:43618 /21:51617 /22:111688 /23:100348 /24:597517 /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 5854 11655 UNINET, MX 11492 3550 4691 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 30036 2235 2574 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2234 12603 AMAZON-02, 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) ---------------------------------------------- 1:2297 2:1528 3:557 4:9 5:4581 6:165 7:6 8:1544 9:1 11:172 12:1386 13:355 14:2495 15:336 16:270 17:359 18:903 20:450 21:4 22:188 23:7223 24:2731 25:2 27:2712 29:19 31:3104 32:37 34:73 35:184 36:2402 37:4542 38:9077 39:895 40:151 41:4174 42:1932 43:2508 44:345 45:18203 46:4960 47:293 49:1992 50:1873 51:589 52:1570 54:307 55:1023 56:9 57:234 58:2207 59:1183 60:1162 61:2841 62:2913 63:1834 64:5482 65:2199 66:4588 67:3012 68:1165 69:4016 70:1102 71:604 72:2846 74:2768 75:1637 76:631 77:2607 78:1848 79:1724 80:2212 81:2048 82:1980 83:1420 84:1792 85:3275 86:994 87:2180 88:1272 89:4362 90:754 91:8312 92:2788 93:2893 94:3833 95:4158 96:1268 97:309 98:984 99:736 100:71 101:1377 102:3575 103:32383 104:4593 105:745 106:1014 107:2593 108:1181 109:4069 110:2225 111:3360 112:2044 113:1785 114:1940 115:2160 116:2026 117:2744 118:2862 119:1939 120:1869 121:1348 122:2728 123:2153 124:1597 125:2868 126:94 128:1569 129:944 130:1252 131:1877 132:802 133:450 134:1514 135:324 136:1334 137:1100 138:2890 139:1578 140:1526 141:1467 142:1832 143:1591 144:1036 145:465 146:2125 147:2054 148:2596 149:2842 150:1208 151:1626 152:2087 153:504 154:7994 155:1554 156:3438 157:1873 158:1255 159:2420 160:3519 161:1795 162:3641 163:1780 164:1697 165:2162 166:1333 167:1854 168:4082 169:783 170:5067 171:1002 172:4033 173:3173 174:915 175:1281 176:3589 177:4875 178:3742 179:2200 180:2528 181:3938 182:3365 183:2055 184:2260 185:21370 186:5144 187:4345 188:4231 189:4103 190:9573 191:1562 192:11205 193:9339 194:7695 195:5456 196:3199 197:3519 198:6025 199:8275 200:8000 201:6304 202:10306 203:10521 204:4505 205:3639 206:4612 207:3482 208:4195 209:5115 210:4490 211:2515 212:4523 213:3742 214:1051 215:42 216:6588 217:3092 218:1334 219:376 220:2110 221:1052 222:718 223:2316 End of report