IPv4 R&E Routing Table Report 23:05 GMT Wed 29 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: 970968 Prefixes after maximum aggregation (per Origin AS): 371483 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 473385 Number of IPv4 prefixes with a valid ROA: 524990 Number of IPv4 prefixes with an invalid ROA: 1036 Number of IPv4 prefixes with no ROA: 444942 Total ASes present in the Internet Routing Table: 76408 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65567 Origin ASes announcing only one prefix: 26844 Transit ASes present in the Internet Routing Table: 10841 Transit-only ASes present in the Internet Routing Table: 516 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: 1055 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 46079 Number of 32-bit ASNs visible in the Routing Table: 37673 Prefixes from 32-bit ASNs in the Routing Table: 198653 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: 505 Number of addresses announced to Internet: 3113903872 Equivalent to 185 /8s, 154 /16s and 103 /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: 317981 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254870 Total APNIC prefixes after maximum aggregation: 76291 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246497 Unique aggregates announced from the APNIC address blocks: 102539 APNIC Region origin ASes present in the Internet Routing Table: 14425 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4404 APNIC Region transit ASes present in the Internet Routing Table: 1936 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: 9949 Number of APNIC addresses announced to Internet: 753270784 Equivalent to 44 /8s, 230 /16s and 0 /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: 285877 Total ARIN prefixes after maximum aggregation: 126999 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287459 Unique aggregates announced from the ARIN address blocks: 134817 ARIN Region origin ASes present in the Internet Routing Table: 19170 ARIN Prefixes per ASN: 15.00 ARIN Region origin ASes announcing only one prefix: 7017 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: 5122 Number of ARIN addresses announced to Internet: 1344830720 Equivalent to 80 /8s, 40 /16s and 125 /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: 270876 Total RIPE prefixes after maximum aggregation: 131668 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 267917 Unique aggregates announced from the RIPE address blocks: 171432 RIPE Region origin ASes present in the Internet Routing Table: 28828 RIPE Prefixes per ASN: 9.29 RIPE Region origin ASes announcing only one prefix: 12069 RIPE Region transit ASes present in the Internet Routing Table: 3963 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: 12212 Number of RIPE addresses announced to Internet: 733400064 Equivalent to 43 /8s, 182 /16s and 204 /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: 123684 Total LACNIC prefixes after maximum aggregation: 29183 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 121054 Unique aggregates announced from the LACNIC address blocks: 48871 LACNIC Region origin ASes present in the Internet Routing Table: 11187 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2482 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: 9119 Number of LACNIC addresses announced to Internet: 177900544 Equivalent to 10 /8s, 154 /16s and 140 /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: 34606 Total AfriNIC prefixes after maximum aggregation: 6687 AfriNIC Deaggregation factor: 5.18 Prefixes being announced from the AfriNIC address blocks: 47536 Unique aggregates announced from the AfriNIC address blocks: 15306 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 24.89 AfriNIC Region origin ASes announcing only one prefix: 696 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: 1271 Number of AfriNIC addresses announced to Internet: 104240640 Equivalent to 6 /8s, 54 /16s and 150 /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 10336 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6207 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4175 347 24 FPT-AS-AP FPT Telecom Company, VN 9498 4172 528 273 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3255 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2835 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 12633 38889 3712 AMAZON-02, US 11492 4697 312 552 CABLEONE, US 7155 4177 287 86 VIASAT-SP-BACKBONE, US 174 4172 8759 877 COGENT-174, US 6327 3615 1320 81 SHAW, CA 22773 3383 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 396982 2906 3657 446 GOOGLE-CLOUD-PLATFORM, US 16625 2874 1236 2138 AKAMAI-AS, US 30036 2573 358 275 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 7758 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3888 3395 125 AKAMAI-ASN1, NL 9009 3750 321 1901 M247, RO 12389 2983 2302 888 ROSTELECOM-AS, RU 34984 2368 360 579 TELLCOM-AS, TR 212238 1906 136 1406 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 11674 3224 604 UNINET, MX 10620 3539 492 954 Telmex Colombia S.A., CO 13999 2518 539 366 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 1137 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 1003 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 1648 389 16 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 847 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 531 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 12633 38889 3712 AMAZON-02, US 8151 11674 3224 604 UNINET, MX 9808 10336 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7758 1711 144 UNI2-AS, ES 7545 6207 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4697 312 552 CABLEONE, US 7155 4177 287 86 VIASAT-SP-BACKBONE, US 18403 4175 347 24 FPT-AS-AP FPT Telecom Company, VN 174 4172 8759 877 COGENT-174, 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 11674 11070 UNINET, MX 9808 10336 10248 CHINAMOBILE-CN China Mobile Communications Grou 12479 7758 7614 UNI2-AS, ES 7545 6207 5544 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4175 4151 FPT-AS-AP FPT Telecom Company, VN 11492 4697 4145 CABLEONE, US 7155 4177 4091 VIASAT-SP-BACKBONE, US 9498 4172 3899 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 214971 UNALLOCATED 5.231.47.0/24 47263 CUBEHOSTING1, DE 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 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 /12:308 /13:585 /14:1217 /15:2144 /16:13894 /17:8211 /18:13631 /19:24465 /20:43723 /21:51790 /22:111839 /23:100505 /24:598489 /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 6718 7758 UNI2-AS, ES 8151 5886 11674 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 2518 3383 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2250 12633 AMAZON-02, US 30036 2234 2573 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) ---------------------------------------------- 1:2301 2:1519 3:565 4:9 5:4644 6:165 7:6 8:1545 9:1 11:172 12:1383 13:350 14:2496 15:342 16:270 17:358 18:908 20:450 21:4 22:188 23:7226 24:2728 25:2 27:2708 29:19 31:3107 32:38 34:73 35:184 36:2403 37:4614 38:9083 39:895 40:151 41:4167 42:1914 43:2513 44:346 45:18173 46:4959 47:293 49:1986 50:1863 51:589 52:1569 54:307 55:1144 56:9 57:234 58:2207 59:1183 60:1162 61:2844 62:2933 63:1821 64:5489 65:2200 66:4612 67:3023 68:1164 69:4020 70:1102 71:603 72:2856 74:2773 75:1637 76:628 77:2609 78:1849 79:1406 80:2209 81:2032 82:2117 83:1410 84:1793 85:3282 86:998 87:2176 88:1275 89:4369 90:752 91:8332 92:2772 93:2915 94:3925 95:4162 96:1294 97:308 98:987 99:737 100:71 101:1375 102:3668 103:32361 104:4635 105:752 106:1014 107:2602 108:1165 109:4088 110:2219 111:3362 112:2044 113:1769 114:1940 115:2156 116:2024 117:2746 118:2852 119:1939 120:1868 121:1348 122:2728 123:2149 124:1596 125:2877 126:94 128:1567 129:953 130:1262 131:1884 132:802 133:451 134:1514 135:322 136:1333 137:1101 138:2899 139:1591 140:1536 141:1490 142:1832 143:1610 144:1036 145:458 146:2127 147:2053 148:2585 149:2839 150:1198 151:1641 152:2070 153:500 154:7970 155:1553 156:3488 157:1871 158:1253 159:2421 160:3521 161:1801 162:3644 163:1778 164:1696 165:2170 166:1320 167:1872 168:4074 169:785 170:5095 171:1000 172:4175 173:3215 174:915 175:1276 176:3596 177:4917 178:3762 179:2200 180:2529 181:3950 182:3373 183:2036 184:2264 185:21412 186:5117 187:4355 188:4235 189:4128 190:9577 191:1548 192:11226 193:9339 194:7711 195:5465 196:3208 197:3668 198:6034 199:8290 200:8013 201:6304 202:10316 203:10506 204:4523 205:3629 206:4588 207:3496 208:4185 209:5130 210:4491 211:2513 212:4499 213:3730 214:1052 215:42 216:6602 217:3101 218:1334 219:376 220:2111 221:1052 222:718 223:2310 End of report