IPv4 R&E Routing Table Report 23:05 GMT Tue 30 Jan, 2024 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: 931376 Prefixes after maximum aggregation (per Origin AS): 356078 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455926 Number of IPv4 prefixes with a valid ROA: 439295 Number of IPv4 prefixes with an invalid ROA: 999 Number of IPv4 prefixes with no ROA: 491082 Total ASes present in the Internet Routing Table: 75134 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64669 Origin ASes announcing only one prefix: 26549 Transit ASes present in the Internet Routing Table: 10465 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1063 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 43500 Number of 32-bit ASNs visible in the Routing Table: 35719 Prefixes from 32-bit ASNs in the Routing Table: 179917 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 486 Number of addresses announced to Internet: 3043611392 Equivalent to 181 /8s, 105 /16s and 211 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 309030 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245245 Total APNIC prefixes after maximum aggregation: 71954 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238207 Unique aggregates announced from the APNIC address blocks: 99835 APNIC Region origin ASes present in the Internet Routing Table: 13859 APNIC Prefixes per ASN: 17.19 APNIC Region origin ASes announcing only one prefix: 4188 APNIC Region transit ASes present in the Internet Routing Table: 1855 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9277 Number of APNIC addresses announced to Internet: 774126592 Equivalent to 46 /8s, 36 /16s and 60 /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: 272699 Total ARIN prefixes after maximum aggregation: 123431 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277389 Unique aggregates announced from the ARIN address blocks: 131953 ARIN Region origin ASes present in the Internet Routing Table: 19045 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1855 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4834 Number of ARIN addresses announced to Internet: 1269776896 Equivalent to 75 /8s, 175 /16s and 66 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 261516 Total RIPE prefixes after maximum aggregation: 125271 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256202 Unique aggregates announced from the RIPE address blocks: 161070 RIPE Region origin ASes present in the Internet Routing Table: 28508 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12091 RIPE Region transit ASes present in the Internet Routing Table: 3899 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11539 Number of RIPE addresses announced to Internet: 714268416 Equivalent to 42 /8s, 146 /16s and 223 /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, 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: 120289 Total LACNIC prefixes after maximum aggregation: 28647 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 118929 Unique aggregates announced from the LACNIC address blocks: 49596 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2643 LACNIC Region transit ASes present in the Internet Routing Table: 2360 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8902 Number of LACNIC addresses announced to Internet: 177417216 Equivalent to 10 /8s, 147 /16s and 44 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 30564 Total AfriNIC prefixes after maximum aggregation: 6060 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 40163 Unique aggregates announced from the AfriNIC address blocks: 13069 AfriNIC Region origin ASes present in the Internet Routing Table: 1820 AfriNIC Prefixes per ASN: 22.07 AfriNIC Region origin ASes announcing only one prefix: 651 AfriNIC Region transit ASes present in the Internet Routing Table: 346 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1167 Number of AfriNIC addresses announced to Internet: 107734528 Equivalent to 6 /8s, 107 /16s and 230 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9807 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4557 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3873 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3460 499 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3279 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2684 857 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2187 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9542 11239 3372 AMAZON-02, US 11492 4577 304 660 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3612 3041 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3584 1320 74 SHAW, CA 16625 3229 1416 2303 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2925 3739 1420 DNIC-ASBLK-00306-00371, US 396982 2750 3639 392 GOOGLE-CLOUD-PLATFORM, US 7018 2550 23623 1610 ATT-INTERNET4, 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 7552 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3954 3396 132 AKAMAI-ASN1, NL 9009 3277 285 1586 M247, RO 12389 2885 2301 909 ROSTELECOM-AS, RU 8551 2695 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2331 360 597 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1507 866 580 TCI, IR 8452 1480 1852 14 TE-AS TE-AS, EG 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 12381 3374 631 UNINET, MX 10620 3519 496 894 Telmex Colombia S.A., CO 13999 2501 337 642 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1119 177 422 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1072 117 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24863 1565 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1366 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1104 71 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 532 82 3 KENET-AS, KE 15399 525 55 53 WANANCHI-, KE 24757 488 73 5 EthioNet-AS, ET 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 8151 12381 3374 631 UNINET, MX 9808 9807 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9542 11239 3372 AMAZON-02, US 12479 7552 1698 148 UNI2-AS, ES 7545 5677 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4577 304 660 CABLEONE, US 18403 4557 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3954 3396 132 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9807 9756 CHINAMOBILE-CN China Mobile Communications Grou 12479 7552 7404 UNI2-AS, ES 16509 9542 6170 AMAZON-02, US 7545 5677 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4557 4532 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4577 3917 CABLEONE, US 7552 3873 3853 VIETEL-AS-AP Viettel Group, VN 20940 3954 3822 AKAMAI-ASN1, NL 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /9:14 /10:36 /11:98 /12:300 /13:576 /14:1193 /15:2066 /16:13378 /17:8115 /18:13640 /19:24667 /20:43127 /21:51235 /22:109941 /23:98708 /24:564258 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6644 7552 UNI2-AS, ES 8151 6349 12381 UNINET, MX 11492 3491 4577 CABLEONE, US 6327 3383 3584 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2658 3612 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2171 2695 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2127 2470 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2125 3519 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) ---------------------------------------------- 1:2292 2:1540 3:287 4:5 5:4450 6:163 7:6 8:1495 9:1 11:172 12:1483 13:377 14:2332 15:311 16:203 17:360 18:721 20:348 21:4 22:188 23:6595 24:2700 25:2 27:2552 29:19 31:2549 32:53 34:36 35:120 36:2163 37:4469 38:6065 39:896 40:151 41:4076 42:2204 43:2294 44:327 45:16753 46:4281 47:286 49:1898 50:1895 51:572 52:1592 54:361 55:885 56:5 57:137 58:1936 59:1147 60:1016 61:2605 62:2706 63:1913 64:5521 65:2338 66:4891 67:3053 68:1334 69:4089 70:1191 71:577 72:2916 74:2637 75:1556 76:621 77:2345 78:1840 79:2501 80:2128 81:1881 82:1525 83:1246 84:1630 85:3081 86:768 87:1960 88:1220 89:3963 90:660 91:7925 92:2179 93:2632 94:3586 95:4036 96:1287 97:319 98:1035 99:744 100:94 101:1155 102:3053 103:32468 104:4793 105:599 106:914 107:2756 108:1125 109:4016 110:2136 111:3160 112:2061 113:1720 114:1745 115:1981 116:1959 117:2639 118:2765 119:1944 120:1771 121:1260 122:2632 123:2195 124:1558 125:2805 126:28 128:1446 129:894 130:1074 131:1812 132:822 133:409 134:1706 135:307 136:919 137:1000 138:2752 139:1550 140:1302 141:1343 142:1547 143:1529 144:1006 145:341 146:2000 147:1672 148:2504 149:2459 150:1022 151:1314 152:1967 153:528 154:5622 155:1370 156:2097 157:1453 158:1086 159:2194 160:2595 161:1621 162:3608 163:1669 164:1612 165:2098 166:1062 167:1696 168:3784 169:792 170:4673 171:995 172:3800 173:3002 174:901 175:1214 176:3626 177:4561 178:3515 179:2205 180:2365 181:3670 182:3413 183:2013 184:2283 185:20489 186:4763 187:4380 188:4002 189:3979 190:9318 191:1436 192:10962 193:8978 194:7347 195:5200 196:3153 197:2646 198:5898 199:7087 200:8032 201:6342 202:10154 203:10098 204:4550 205:3684 206:4385 207:3401 208:4099 209:4885 210:4349 211:2508 212:4225 213:3402 214:1107 215:44 216:6798 217:2760 218:1289 219:415 220:1823 221:1020 222:687 223:2199 End of report