IPv4 R&E Routing Table Report 23:05 GMT Sun 10 Dec, 2023 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: 928060 Prefixes after maximum aggregation (per Origin AS): 355341 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455393 Number of IPv4 prefixes with a valid ROA: 431838 Number of IPv4 prefixes with an invalid ROA: 692 Number of IPv4 prefixes with no ROA: 495530 Total ASes present in the Internet Routing Table: 74902 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64443 Origin ASes announcing only one prefix: 26511 Transit ASes present in the Internet Routing Table: 10459 Transit-only ASes present in the Internet Routing Table: 442 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 40 Max AS path prepend of ASN (203217) 33 Prefixes from unregistered ASNs in the Routing Table: 988 Number of instances of unregistered ASNs: 990 Number of 32-bit ASNs allocated by the RIRs: 43221 Number of 32-bit ASNs visible in the Routing Table: 35421 Prefixes from 32-bit ASNs in the Routing Table: 177345 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: 502 Number of addresses announced to Internet: 3047305728 Equivalent to 181 /8s, 162 /16s and 50 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 308985 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243746 Total APNIC prefixes after maximum aggregation: 71183 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 236943 Unique aggregates announced from the APNIC address blocks: 99301 APNIC Region origin ASes present in the Internet Routing Table: 13722 APNIC Prefixes per ASN: 17.27 APNIC Region origin ASes announcing only one prefix: 4118 APNIC Region transit ASes present in the Internet Routing Table: 1843 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9113 Number of APNIC addresses announced to Internet: 770811648 Equivalent to 45 /8s, 241 /16s and 167 /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: 272132 Total ARIN prefixes after maximum aggregation: 124153 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276805 Unique aggregates announced from the ARIN address blocks: 132837 ARIN Region origin ASes present in the Internet Routing Table: 19029 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1863 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: 4810 Number of ARIN addresses announced to Internet: 1275702016 Equivalent to 76 /8s, 9 /16s and 171 /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: 261283 Total RIPE prefixes after maximum aggregation: 124783 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255849 Unique aggregates announced from the RIPE address blocks: 160642 RIPE Region origin ASes present in the Internet Routing Table: 28479 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12116 RIPE Region transit ASes present in the Internet Routing Table: 3895 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11462 Number of RIPE addresses announced to Internet: 714532096 Equivalent to 42 /8s, 150 /16s and 229 /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: 119712 Total LACNIC prefixes after maximum aggregation: 28538 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118434 Unique aggregates announced from the LACNIC address blocks: 49386 LACNIC Region origin ASes present in the Internet Routing Table: 11041 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2355 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8888 Number of LACNIC addresses announced to Internet: 178307328 Equivalent to 10 /8s, 160 /16s and 193 /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: 30199 Total AfriNIC prefixes after maximum aggregation: 6015 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39527 Unique aggregates announced from the AfriNIC address blocks: 12815 AfriNIC Region origin ASes present in the Internet Routing Table: 1806 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 634 AfriNIC Region transit ASes present in the Internet Routing Table: 341 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1148 Number of AfriNIC addresses announced to Internet: 107595776 Equivalent to 6 /8s, 105 /16s and 200 /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 9741 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5662 783 679 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4426 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3639 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3599 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3262 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3250 494 249 BBIL-AP BHARTI Airtel Ltd., IN 24560 2640 853 366 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2233 11258 589 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 200 TATACOMM-AS TATA Communications formerl 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 9431 11184 3327 AMAZON-02, US 11492 4561 303 681 CABLEONE, US 7155 4166 288 96 VIASAT-SP-BACKBONE, US 6327 3560 1320 68 SHAW, CA 22773 3492 3034 288 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3176 1413 2320 AKAMAI-AS, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2974 3837 1409 DNIC-ASBLK-00306-00371, US 396982 2724 3631 375 GOOGLE-CLOUD-PLATFORM, US 7018 2580 23628 1598 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 7555 1714 146 UNI2-AS, ES 39891 4502 267 55 ALJAWWALSTC-AS, SA 20940 3969 3397 140 AKAMAI-ASN1, NL 9009 3486 300 1632 M247, RO 8551 2957 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2884 2301 908 ROSTELECOM-AS, RU 34984 2326 360 590 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1601 889 587 TCI, IR 8452 1540 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 12144 3379 601 UNINET, MX 10620 3527 499 872 Telmex Colombia S.A., CO 13999 2482 338 637 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1341 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1099 175 434 Techtel LMDS Comunicaciones Interactiva 6147 1081 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 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 24863 1589 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1048 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 535 56 53 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 24757 460 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 12144 3379 601 UNINET, MX 9808 9741 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9431 11184 3327 AMAZON-02, US 12479 7555 1714 146 UNI2-AS, ES 7545 5662 783 679 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4561 303 681 CABLEONE, US 39891 4502 267 55 ALJAWWALSTC-AS, SA 18403 4426 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4166 288 96 VIASAT-SP-BACKBONE, US 20940 3969 3397 140 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 9741 9700 CHINAMOBILE-CN China Mobile Communications Grou 12479 7555 7409 UNI2-AS, ES 16509 9431 6104 AMAZON-02, US 7545 5662 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4502 4447 ALJAWWALSTC-AS, SA 18403 4426 4401 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4070 VIASAT-SP-BACKBONE, US 11492 4561 3880 CABLEONE, US 20940 3969 3829 AKAMAI-ASN1, NL 7552 3639 3619 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 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 17054 EXPEDIENT, 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 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /10:37 /11:99 /12:298 /13:578 /14:1190 /15:2058 /16:13405 /17:8192 /18:13680 /19:24772 /20:43112 /21:51122 /22:109982 /23:99057 /24:560440 /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 7555 UNI2-AS, ES 8151 6149 12144 UNINET, MX 11492 3475 4561 CABLEONE, US 6327 3367 3560 SHAW, CA 39891 3256 4502 ALJAWWALSTC-AS, SA 7155 3112 4166 VIASAT-SP-BACKBONE, US 22773 2557 3492 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2434 2957 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2126 2471 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3527 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) ---------------------------------------------- 1:2243 2:1416 3:280 4:5 5:4393 6:160 7:6 8:1495 9:1 11:172 12:1488 13:369 14:2321 15:302 16:206 17:360 18:706 20:328 21:4 22:188 23:6519 24:2590 25:2 27:2573 29:19 31:2533 32:53 34:34 35:116 36:2047 37:4460 38:5718 39:881 40:148 41:4038 42:2136 43:2296 44:328 45:16642 46:4369 47:286 49:1895 50:1878 51:571 52:1598 54:395 55:801 56:5 57:125 58:1846 59:1103 60:1007 61:2468 62:2722 63:1905 64:5463 65:2350 66:4990 67:3048 68:1354 69:4062 70:1174 71:605 72:2926 74:2628 75:1564 76:624 77:2270 78:1821 79:3007 80:2122 81:1856 82:1517 83:1321 84:1600 85:2960 86:785 87:1968 88:1234 89:3925 90:641 91:7889 92:2181 93:2636 94:3572 95:3994 96:1298 97:316 98:1016 99:737 100:94 101:1384 102:2989 103:32332 104:4780 105:593 106:976 107:2744 108:1135 109:3756 110:2131 111:3141 112:2073 113:1694 114:1746 115:1999 116:1927 117:2560 118:2746 119:1943 120:1755 121:1226 122:2629 123:2170 124:1582 125:2746 128:1426 129:898 130:1053 131:1980 132:819 133:410 134:1718 135:295 136:914 137:984 138:2723 139:1558 140:1339 141:1349 142:1534 143:1549 144:1006 145:342 146:1983 147:1597 148:2471 149:2372 150:1009 151:1288 152:1823 153:525 154:5283 155:1374 156:2103 157:1370 158:1084 159:2197 160:2627 161:1617 162:3554 163:1633 164:1621 165:1867 166:1080 167:1765 168:3826 169:794 170:4686 171:970 172:3754 173:2994 174:899 175:1211 176:3590 177:4626 178:3526 179:2223 180:2312 181:3602 182:3403 183:2022 184:2250 185:20463 186:4733 187:4272 188:3995 189:3977 190:9333 191:1482 192:10967 193:8958 194:7290 195:5205 196:3135 197:2567 198:5912 199:6658 200:8014 201:6255 202:10188 203:10018 204:4579 205:3657 206:4386 207:3378 208:4063 209:4891 210:4254 211:2465 212:4210 213:3389 214:1111 215:63 216:6739 217:2747 218:1288 219:413 220:1796 221:1012 222:698 223:2196 End of report