IPv4 R&E Routing Table Report 23:05 GMT Tue 04 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: 971297 Prefixes after maximum aggregation (per Origin AS): 371893 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 473778 Number of IPv4 prefixes with a valid ROA: 526957 Number of IPv4 prefixes with an invalid ROA: 1184 Number of IPv4 prefixes with no ROA: 443156 Total ASes present in the Internet Routing Table: 76416 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65564 Origin ASes announcing only one prefix: 26830 Transit ASes present in the Internet Routing Table: 10852 Transit-only ASes present in the Internet Routing Table: 515 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: 1055 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 46096 Number of 32-bit ASNs visible in the Routing Table: 37698 Prefixes from 32-bit ASNs in the Routing Table: 198632 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: 497 Number of addresses announced to Internet: 3111409664 Equivalent to 185 /8s, 116 /16s and 88 /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: 318504 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255100 Total APNIC prefixes after maximum aggregation: 76351 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246700 Unique aggregates announced from the APNIC address blocks: 102582 APNIC Region origin ASes present in the Internet Routing Table: 14430 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4402 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: 753156608 Equivalent to 44 /8s, 228 /16s and 66 /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: 285667 Total ARIN prefixes after maximum aggregation: 127242 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287245 Unique aggregates announced from the ARIN address blocks: 134959 ARIN Region origin ASes present in the Internet Routing Table: 19172 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7016 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: 5124 Number of ARIN addresses announced to Internet: 1343560704 Equivalent to 80 /8s, 21 /16s and 28 /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: 271295 Total RIPE prefixes after maximum aggregation: 131764 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268435 Unique aggregates announced from the RIPE address blocks: 171611 RIPE Region origin ASes present in the Internet Routing Table: 28833 RIPE Prefixes per ASN: 9.31 RIPE Region origin ASes announcing only one prefix: 12066 RIPE Region transit ASes present in the Internet Routing Table: 3960 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12236 Number of RIPE addresses announced to Internet: 732218112 Equivalent to 43 /8s, 164 /16s and 195 /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: 123358 Total LACNIC prefixes after maximum aggregation: 29174 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120682 Unique aggregates announced from the LACNIC address blocks: 48882 LACNIC Region origin ASes present in the Internet Routing Table: 11183 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2496 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: 177859584 Equivalent to 10 /8s, 153 /16s and 236 /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: 34822 Total AfriNIC prefixes after maximum aggregation: 6706 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 47738 Unique aggregates announced from the AfriNIC address blocks: 15330 AfriNIC Region origin ASes present in the Internet Routing Table: 1913 AfriNIC Prefixes per ASN: 24.95 AfriNIC Region origin ASes announcing only one prefix: 695 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: 1270 Number of AfriNIC addresses announced to Internet: 104357632 Equivalent to 6 /8s, 56 /16s and 95 /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 6209 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4199 529 273 BBIL-AP BHARTI Airtel Ltd., IN 18403 4187 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3913 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3254 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2840 853 535 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 12670 38936 3752 AMAZON-02, US 11492 4698 312 553 CABLEONE, US 7155 4180 287 86 VIASAT-SP-BACKBONE, US 174 3647 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 2918 3659 444 GOOGLE-CLOUD-PLATFORM, US 16625 2889 1241 2137 AKAMAI-AS, US 30036 2579 359 272 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 7738 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3881 3395 125 AKAMAI-ASN1, NL 9009 3718 320 1905 M247, RO 12389 2982 2302 888 ROSTELECOM-AS, RU 34984 2369 361 580 TELLCOM-AS, TR 212238 1911 137 1409 CDNEXT, GB 8452 1612 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 11675 3224 604 UNINET, MX 10620 3540 492 954 Telmex Colombia S.A., CO 13999 2506 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 1134 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 1006 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 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 547 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 12670 38936 3752 AMAZON-02, US 8151 11675 3224 604 UNINET, MX 9808 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7738 1711 144 UNI2-AS, ES 7545 6209 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4698 312 553 CABLEONE, US 9498 4199 529 273 BBIL-AP BHARTI Airtel Ltd., IN 18403 4187 347 24 FPT-AS-AP FPT Telecom Company, VN 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 11675 11071 UNINET, MX 9808 10334 10246 CHINAMOBILE-CN China Mobile Communications Grou 12479 7738 7594 UNI2-AS, ES 7545 6209 5546 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4187 4163 FPT-AS-AP FPT Telecom Company, VN 11492 4698 4145 CABLEONE, US 7155 4180 4094 VIASAT-SP-BACKBONE, US 9498 4199 3926 BBIL-AP BHARTI Airtel Ltd., IN 7552 3913 3888 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 23.133.204.0/24 Origin: 23507 AVSISP, US 23.133.204.0/24 Transit: 209533 BGPTUNNEL BGPTunnel.com by iFog GmbH, CH 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 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 /11:92 /12:307 /13:585 /14:1214 /15:2144 /16:13896 /17:8211 /18:13637 /19:24460 /20:43766 /21:51797 /22:111907 /23:100573 /24:598634 /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 6699 7738 UNI2-AS, ES 8151 5895 11675 UNINET, MX 11492 3555 4698 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3128 4180 VIASAT-SP-BACKBONE, US 22773 2518 3383 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2270 12670 AMAZON-02, US 30036 2240 2579 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2180 3540 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) ---------------------------------------------- 1:2302 2:1519 3:568 4:9 5:4629 6:165 7:6 8:1543 9:1 11:172 12:1382 13:339 14:2501 15:343 16:270 17:358 18:910 20:450 21:4 22:188 23:7219 24:2733 25:2 27:2724 29:19 31:3108 32:38 34:74 35:199 36:2404 37:4651 38:8623 39:895 40:156 41:4211 42:1913 43:2502 44:345 45:18173 46:4961 47:293 49:1985 50:1865 51:590 52:1572 54:307 55:1137 56:9 57:237 58:2208 59:1187 60:1165 61:2841 62:2931 63:1827 64:5487 65:2200 66:4617 67:3031 68:1168 69:4015 70:1112 71:608 72:2852 74:2783 75:1639 76:629 77:2616 78:1849 79:1681 80:2206 81:2045 82:2201 83:1483 84:1796 85:3296 86:1014 87:2181 88:1273 89:4361 90:755 91:8326 92:2789 93:2879 94:3923 95:4164 96:1292 97:308 98:992 99:736 100:71 101:1376 102:3679 103:32347 104:4666 105:757 106:1017 107:2601 108:1157 109:4076 110:2217 111:3390 112:2043 113:1795 114:1940 115:2163 116:2035 117:2739 118:2842 119:1932 120:1871 121:1348 122:2738 123:2152 124:1596 125:2877 126:94 128:1550 129:955 130:1264 131:1861 132:785 133:450 134:1528 135:321 136:1329 137:1101 138:2886 139:1587 140:1540 141:1475 142:1833 143:1611 144:1041 145:461 146:2135 147:2056 148:2595 149:2829 150:1202 151:1647 152:1973 153:504 154:7942 155:1610 156:3558 157:1873 158:1258 159:2412 160:3535 161:1852 162:3641 163:1781 164:1694 165:2173 166:1321 167:1865 168:4063 169:791 170:5056 171:1000 172:4280 173:3227 174:915 175:1278 176:3601 177:4772 178:3774 179:2230 180:2537 181:3988 182:3368 183:2035 184:2266 185:21427 186:5054 187:4262 188:4229 189:4116 190:9610 191:1535 192:11164 193:9366 194:7712 195:5465 196:3197 197:3694 198:6043 199:8288 200:8006 201:6297 202:10319 203:10505 204:4527 205:3619 206:4599 207:3497 208:4189 209:5120 210:4532 211:2523 212:4503 213:3732 214:1059 215:42 216:6601 217:3098 218:1334 219:376 220:2111 221:1052 222:716 223:2311 End of report