IPv4 R&E Routing Table Report 23:05 GMT Fri 07 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: 970896 Prefixes after maximum aggregation (per Origin AS): 371913 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 474001 Number of IPv4 prefixes with a valid ROA: 527544 Number of IPv4 prefixes with an invalid ROA: 1060 Number of IPv4 prefixes with no ROA: 442292 Total ASes present in the Internet Routing Table: 76434 Prefixes per ASN: 12.70 Origin-only ASes present in the Internet Routing Table: 65589 Origin ASes announcing only one prefix: 26865 Transit ASes present in the Internet Routing Table: 10845 Transit-only ASes present in the Internet Routing Table: 519 Paths with bogon ASNs present in the IPv4 Routing Table: 17 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: 1048 Number of instances of unregistered ASNs: 1053 Number of 32-bit ASNs allocated by the RIRs: 46090 Number of 32-bit ASNs visible in the Routing Table: 37733 Prefixes from 32-bit ASNs in the Routing Table: 198515 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: 488 Number of addresses announced to Internet: 3111357952 Equivalent to 185 /8s, 115 /16s and 142 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 318051 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255070 Total APNIC prefixes after maximum aggregation: 76375 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246683 Unique aggregates announced from the APNIC address blocks: 102616 APNIC Region origin ASes present in the Internet Routing Table: 14441 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4413 APNIC Region transit ASes present in the Internet Routing Table: 1944 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9966 Number of APNIC addresses announced to Internet: 753198592 Equivalent to 44 /8s, 228 /16s and 230 /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: 285546 Total ARIN prefixes after maximum aggregation: 127077 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287116 Unique aggregates announced from the ARIN address blocks: 135101 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: 7015 ARIN Region transit ASes present in the Internet Routing Table: 1919 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: 5130 Number of ARIN addresses announced to Internet: 1343332352 Equivalent to 80 /8s, 17 /16s and 160 /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: 271234 Total RIPE prefixes after maximum aggregation: 131784 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268342 Unique aggregates announced from the RIPE address blocks: 171675 RIPE Region origin ASes present in the Internet Routing Table: 28830 RIPE Prefixes per ASN: 9.31 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 3958 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: 12243 Number of RIPE addresses announced to Internet: 732451584 Equivalent to 43 /8s, 168 /16s and 83 /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: 123123 Total LACNIC prefixes after maximum aggregation: 29228 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120471 Unique aggregates announced from the LACNIC address blocks: 48840 LACNIC Region origin ASes present in the Internet Routing Table: 11196 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2487 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: 9127 Number of LACNIC addresses announced to Internet: 177809920 Equivalent to 10 /8s, 153 /16s and 42 /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: 34875 Total AfriNIC prefixes after maximum aggregation: 6793 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 47796 Unique aggregates announced from the AfriNIC address blocks: 15362 AfriNIC Region origin ASes present in the Internet Routing Table: 1908 AfriNIC Prefixes per ASN: 25.05 AfriNIC Region origin ASes announcing only one prefix: 696 AfriNIC Region transit ASes present in the Internet Routing Table: 374 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: 104303616 Equivalent to 6 /8s, 55 /16s and 140 /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 6212 843 665 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4237 347 24 FPT-AS-AP FPT Telecom Company, VN 9498 4211 529 272 BBIL-AP BHARTI Airtel Ltd., IN 7552 3918 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3256 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2844 854 533 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 12732 38945 3722 AMAZON-02, US 11492 4698 312 553 CABLEONE, US 7155 4180 287 86 VIASAT-SP-BACKBONE, US 174 3633 8757 875 COGENT-174, US 6327 3623 1320 81 SHAW, CA 22773 3380 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 396982 2921 3659 446 GOOGLE-CLOUD-PLATFORM, US 16625 2911 1248 2147 AKAMAI-AS, US 30036 2579 359 275 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 7740 1713 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3887 3395 125 AKAMAI-ASN1, NL 9009 3730 320 1912 M247, RO 12389 2985 2302 890 ROSTELECOM-AS, RU 34984 2369 361 580 TELLCOM-AS, TR 212238 1921 139 1416 CDNEXT, GB 8452 1614 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1488 98 748 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 11717 3224 605 UNINET, MX 10620 3543 492 951 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 1335 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1134 374 163 Axtel, S.A.B. de C.V., MX 6147 1104 371 22 Telefonica del Peru S.A.A., PE 22884 1071 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1010 2503 53 TIM SA, BR 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 1645 389 16 LINKdotNET-AS, EG 29571 1538 97 99 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 843 1083 15 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 548 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 12732 38945 3722 AMAZON-02, US 8151 11717 3224 605 UNINET, MX 9808 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7740 1713 145 UNI2-AS, ES 7545 6212 843 665 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4698 312 553 CABLEONE, US 18403 4237 347 24 FPT-AS-AP FPT Telecom Company, VN 9498 4211 529 272 BBIL-AP BHARTI Airtel Ltd., IN 7155 4180 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 11717 11112 UNINET, MX 9808 10334 10246 CHINAMOBILE-CN China Mobile Communications Grou 12479 7740 7595 UNI2-AS, ES 7545 6212 5547 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4237 4213 FPT-AS-AP FPT Telecom Company, VN 11492 4698 4145 CABLEONE, US 7155 4180 4094 VIASAT-SP-BACKBONE, US 9498 4211 3939 BBIL-AP BHARTI Airtel Ltd., IN 7552 3918 3893 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 23.133.205.0/24 Origin: 23506 TMW, US 23.133.205.0/24 Transit: 215828 TMW-GLOBAL-NETWORKS TMW Global Networks, 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 /11:93 /12:307 /13:583 /14:1213 /15:2143 /16:13894 /17:8213 /18:13625 /19:24428 /20:43728 /21:51781 /22:111863 /23:100487 /24:598464 /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 6701 7740 UNI2-AS, ES 8151 5925 11717 UNINET, MX 11492 3555 4698 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3128 4180 VIASAT-SP-BACKBONE, US 22773 2515 3380 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2263 12732 AMAZON-02, US 30036 2239 2579 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2183 3543 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) ---------------------------------------------- 1:2300 2:1502 3:570 4:9 5:4580 6:165 7:6 8:1545 9:1 11:172 12:1382 13:354 14:2501 15:348 16:270 17:356 18:916 20:451 21:4 22:188 23:7245 24:2732 25:2 27:2711 29:19 31:3127 32:37 34:80 35:200 36:2403 37:4599 38:8574 39:897 40:152 41:4134 42:1926 43:2504 44:346 45:18190 46:4951 47:292 49:1985 50:1884 51:590 52:1573 54:307 55:1099 56:9 57:238 58:2220 59:1177 60:1167 61:2840 62:2932 63:1818 64:5492 65:2202 66:4604 67:3028 68:1119 69:3999 70:1114 71:606 72:2847 74:2783 75:1639 76:628 77:2614 78:1849 79:1696 80:2212 81:2048 82:2279 83:1411 84:1790 85:3301 86:1028 87:2182 88:1277 89:4328 90:754 91:8332 92:2796 93:2859 94:3924 95:4166 96:1290 97:308 98:972 99:736 100:71 101:1379 102:3669 103:32352 104:4662 105:757 106:1018 107:2608 108:1189 109:4076 110:2216 111:3384 112:2044 113:1792 114:1939 115:2161 116:2031 117:2740 118:2843 119:1939 120:1870 121:1345 122:2739 123:2150 124:1598 125:2886 126:94 128:1548 129:952 130:1262 131:1866 132:780 133:450 134:1528 135:322 136:1332 137:1096 138:2882 139:1589 140:1545 141:1470 142:1822 143:1610 144:1052 145:461 146:2134 147:2058 148:2594 149:2848 150:1193 151:1652 152:2106 153:504 154:7943 155:1598 156:3520 157:1878 158:1255 159:2421 160:3544 161:1851 162:3647 163:1782 164:1697 165:2171 166:1354 167:1875 168:4057 169:785 170:5045 171:1001 172:4298 173:3230 174:919 175:1280 176:3601 177:4792 178:3778 179:2222 180:2536 181:3981 182:3367 183:2033 184:2260 185:21441 186:5074 187:4279 188:4214 189:4159 190:9465 191:1522 192:11149 193:9371 194:7736 195:5473 196:3212 197:3713 198:6051 199:8290 200:7998 201:6298 202:10319 203:10515 204:4532 205:3639 206:4600 207:3471 208:4183 209:5116 210:4490 211:2525 212:4514 213:3727 214:1056 215:42 216:6568 217:3106 218:1334 219:376 220:2104 221:1051 222:716 223:2313 End of report