IPv4 R&E Routing Table Report 23:05 GMT Mon 27 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: 970634 Prefixes after maximum aggregation (per Origin AS): 371183 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 473041 Number of IPv4 prefixes with a valid ROA: 524535 Number of IPv4 prefixes with an invalid ROA: 970 Number of IPv4 prefixes with no ROA: 445129 Total ASes present in the Internet Routing Table: 76403 Prefixes per ASN: 12.70 Origin-only ASes present in the Internet Routing Table: 65565 Origin ASes announcing only one prefix: 26862 Transit ASes present in the Internet Routing Table: 10838 Transit-only ASes present in the Internet Routing Table: 515 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: 106 Max AS path prepend of ASN (269289) 101 Prefixes from unregistered ASNs in the Routing Table: 1064 Number of instances of unregistered ASNs: 1069 Number of 32-bit ASNs allocated by the RIRs: 46076 Number of 32-bit ASNs visible in the Routing Table: 37652 Prefixes from 32-bit ASNs in the Routing Table: 198354 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: 3115275776 Equivalent to 185 /8s, 175 /16s and 86 /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: 317832 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254863 Total APNIC prefixes after maximum aggregation: 76268 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246538 Unique aggregates announced from the APNIC address blocks: 102579 APNIC Region origin ASes present in the Internet Routing Table: 14415 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4406 APNIC Region transit ASes present in the Internet Routing Table: 1937 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: 9942 Number of APNIC addresses announced to Internet: 755174656 Equivalent to 45 /8s, 3 /16s and 13 /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: 285682 Total ARIN prefixes after maximum aggregation: 126829 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287217 Unique aggregates announced from the ARIN address blocks: 134524 ARIN Region origin ASes present in the Internet Routing Table: 19169 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7019 ARIN Region transit ASes present in the Internet Routing Table: 1918 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: 1344915456 Equivalent to 80 /8s, 41 /16s and 200 /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: 270757 Total RIPE prefixes after maximum aggregation: 131583 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 267821 Unique aggregates announced from the RIPE address blocks: 171306 RIPE Region origin ASes present in the Internet Routing Table: 28833 RIPE Prefixes per ASN: 9.29 RIPE Region origin ASes announcing only one prefix: 12088 RIPE Region transit ASes present in the Internet Routing Table: 3954 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: 12213 Number of RIPE addresses announced to Internet: 733093120 Equivalent to 43 /8s, 178 /16s and 29 /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: 123695 Total LACNIC prefixes after maximum aggregation: 29141 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 121046 Unique aggregates announced from the LACNIC address blocks: 48875 LACNIC Region origin ASes present in the Internet Routing Table: 11185 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2649 LACNIC Region transit ASes present in the Internet Routing Table: 2493 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 106 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9117 Number of LACNIC addresses announced to Internet: 177489408 Equivalent to 10 /8s, 148 /16s and 70 /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: 34573 Total AfriNIC prefixes after maximum aggregation: 6699 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 47504 Unique aggregates announced from the AfriNIC address blocks: 15334 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 24.87 AfriNIC Region origin ASes announcing only one prefix: 700 AfriNIC Region transit ASes present in the Internet Routing Table: 364 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: 1268 Number of AfriNIC addresses announced to Internet: 104341248 Equivalent to 6 /8s, 56 /16s and 31 /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 6205 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4194 347 24 FPT-AS-AP FPT Telecom Company, VN 9498 4165 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 2226 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 12626 38876 3710 AMAZON-02, US 11492 4696 312 551 CABLEONE, US 174 4178 8760 876 COGENT-174, US 7155 4176 287 86 VIASAT-SP-BACKBONE, US 6327 3615 1320 81 SHAW, CA 22773 3383 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 396982 2906 3657 446 GOOGLE-CLOUD-PLATFORM, US 16625 2875 1234 2137 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 7741 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3885 3395 125 AKAMAI-ASN1, NL 9009 3750 321 1901 M247, RO 12389 2983 2302 888 ROSTELECOM-AS, RU 34984 2370 361 579 TELLCOM-AS, TR 212238 1905 136 1405 CDNEXT, GB 8452 1608 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1498 99 751 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 11675 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 1134 374 163 Axtel, S.A.B. de C.V., MX 6147 1109 371 22 Telefonica del Peru S.A.A., PE 22884 1076 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1005 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 1546 97 106 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 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 12626 38876 3710 AMAZON-02, US 8151 11675 3230 600 UNINET, MX 9808 10336 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7741 1711 144 UNI2-AS, ES 7545 6205 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4696 312 551 CABLEONE, US 18403 4194 347 24 FPT-AS-AP FPT Telecom Company, VN 174 4178 8760 876 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 11675 11075 UNINET, MX 9808 10336 10248 CHINAMOBILE-CN China Mobile Communications Grou 12479 7741 7597 UNI2-AS, ES 7545 6205 5542 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4194 4170 FPT-AS-AP FPT Telecom Company, VN 11492 4696 4145 CABLEONE, US 7155 4176 4090 VIASAT-SP-BACKBONE, US 9498 4165 3892 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 /16:13912 /17:8210 /18:13613 /19:24448 /20:43680 /21:51798 /22:111853 /23:100456 /24:598240 /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 6702 7741 UNI2-AS, ES 8151 5874 11675 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 3383 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2250 12626 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) ---------------------------------------------- 1:2304 2:1519 3:565 4:9 5:4527 6:165 7:6 8:1545 9:1 11:172 12:1385 13:348 14:2495 15:339 16:270 17:359 18:908 20:450 21:4 22:188 23:7206 24:2733 25:2 27:2697 29:19 31:3104 32:38 34:73 35:184 36:2403 37:4581 38:9088 39:895 40:151 41:4180 42:1919 43:2511 44:345 45:18157 46:4951 47:293 49:1985 50:1859 51:589 52:1571 54:307 55:1011 56:9 57:234 58:2207 59:1185 60:1162 61:2858 62:2926 63:1825 64:5497 65:2200 66:4605 67:3022 68:1165 69:4012 70:1102 71:603 72:2855 74:2771 75:1637 76:624 77:2610 78:1845 79:1723 80:2208 81:2050 82:2062 83:1406 84:1800 85:3278 86:998 87:2178 88:1272 89:4352 90:753 91:8325 92:2785 93:2881 94:3925 95:4160 96:1292 97:308 98:987 99:738 100:71 101:1377 102:3582 103:32345 104:4633 105:756 106:1014 107:2602 108:1168 109:4077 110:2218 111:3359 112:2044 113:1797 114:1940 115:2158 116:2024 117:2745 118:2853 119:1939 120:1869 121:1348 122:2727 123:2150 124:1597 125:2875 126:94 128:1568 129:951 130:1254 131:1867 132:802 133:451 134:1513 135:323 136:1335 137:1102 138:2888 139:1595 140:1522 141:1486 142:1833 143:1611 144:1036 145:459 146:2128 147:2050 148:2588 149:2838 150:1206 151:1631 152:2082 153:500 154:7988 155:1551 156:3490 157:1876 158:1253 159:2421 160:3514 161:1805 162:3644 163:1777 164:1692 165:2167 166:1320 167:1866 168:4081 169:781 170:5067 171:1001 172:4118 173:3213 174:916 175:1282 176:3598 177:4883 178:3754 179:2215 180:2528 181:3943 182:3368 183:2045 184:2263 185:21368 186:5119 187:4345 188:4230 189:4096 190:9588 191:1554 192:11233 193:9345 194:7706 195:5460 196:3209 197:3677 198:6035 199:8293 200:8089 201:6313 202:10311 203:10507 204:4527 205:3622 206:4611 207:3483 208:4186 209:5120 210:4489 211:2513 212:4526 213:3740 214:1053 215:42 216:6607 217:3092 218:1332 219:376 220:2111 221:1052 222:718 223:2315 End of report