IPv4 R&E Routing Table Report 23:05 GMT Tue 13 Jun, 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: 918236 Prefixes after maximum aggregation (per Origin AS): 349119 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450287 Number of IPv4 prefixes with a valid ROA: 406437 Number of IPv4 prefixes with an invalid ROA: 1753 Number of IPv4 prefixes with no ROA: 510046 Total ASes present in the Internet Routing Table: 74366 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63874 Origin ASes announcing only one prefix: 26277 Transit ASes present in the Internet Routing Table: 10492 Transit-only ASes present in the Internet Routing Table: 441 Paths with bogon ASNs present in the IPv4 Routing Table: 37 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1026 Number of instances of unregistered ASNs: 1031 Number of 32-bit ASNs allocated by the RIRs: 42071 Number of 32-bit ASNs visible in the Routing Table: 34656 Prefixes from 32-bit ASNs in the Routing Table: 171759 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 565 Number of addresses announced to Internet: 3054857728 Equivalent to 182 /8s, 21 /16s and 110 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307543 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240100 Total APNIC prefixes after maximum aggregation: 68765 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234192 Unique aggregates announced from the APNIC address blocks: 98501 APNIC Region origin ASes present in the Internet Routing Table: 13375 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3956 APNIC Region transit ASes present in the Internet Routing Table: 1792 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8756 Number of APNIC addresses announced to Internet: 773010432 Equivalent to 46 /8s, 19 /16s and 52 /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: 269348 Total ARIN prefixes after maximum aggregation: 122754 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272100 Unique aggregates announced from the ARIN address blocks: 130443 ARIN Region origin ASes present in the Internet Routing Table: 19095 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 7008 ARIN Region transit ASes present in the Internet Routing Table: 1899 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4804 Number of ARIN addresses announced to Internet: 1279837952 Equivalent to 76 /8s, 72 /16s and 199 /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: 259866 Total RIPE prefixes after maximum aggregation: 122692 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255848 Unique aggregates announced from the RIPE address blocks: 158998 RIPE Region origin ASes present in the Internet Routing Table: 28320 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12044 RIPE Region transit ASes present in the Internet Routing Table: 3969 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 63 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11203 Number of RIPE addresses announced to Internet: 717525504 Equivalent to 42 /8s, 196 /16s and 146 /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 196608-213403 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: 118248 Total LACNIC prefixes after maximum aggregation: 28334 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117398 Unique aggregates announced from the LACNIC address blocks: 49494 LACNIC Region origin ASes present in the Internet Routing Table: 11003 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2656 LACNIC Region transit ASes present in the Internet Routing Table: 2304 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8794 Number of LACNIC addresses announced to Internet: 176956672 Equivalent to 10 /8s, 140 /16s and 37 /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: 29648 Total AfriNIC prefixes after maximum aggregation: 5839 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38133 Unique aggregates announced from the AfriNIC address blocks: 12390 AfriNIC Region origin ASes present in the Internet Routing Table: 1751 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 613 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1099 Number of AfriNIC addresses announced to Internet: 107136768 Equivalent to 6 /8s, 98 /16s and 199 /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 9500 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5721 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4182 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3684 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3564 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3023 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2422 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 198 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 8475 10829 3090 AMAZON-02, US 11492 4524 300 603 CABLEONE, US 7155 4105 284 78 VIASAT-SP-BACKBONE, US 22773 3562 3051 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3501 1318 65 SHAW, CA 749 3126 54969 2378 DNIC-AS-00749, US 16625 3111 1551 2345 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2462 24006 1555 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 7299 1706 140 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4071 3398 161 AKAMAI-ASN1, NL 8551 3461 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2291 910 ROSTELECOM-AS, RU 9009 2670 247 1389 M247, RO 34984 2283 360 602 TELLCOM-AS, TR 6849 1970 307 17 UKRTELNET, UA 58224 1826 945 537 TCI, IR 61317 1656 111 1285 ASDETUK www.heficed.com, US 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 11419 3363 605 Uninet S.A. de C.V., MX 10620 3529 507 838 Telmex Colombia S.A., CO 13999 2353 352 623 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1320 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1296 763 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 438 Techtel LMDS Comunicaciones Interactiva 26615 1031 2498 45 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 1578 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1303 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 478 32 1 MOVITEL, MZ 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 11419 3363 605 Uninet S.A. de C.V., MX 9808 9500 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8475 10829 3090 AMAZON-02, US 12479 7299 1706 140 UNI2-AS, ES 7545 5721 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 603 CABLEONE, US 18403 4182 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4105 284 78 VIASAT-SP-BACKBONE, US 20940 4071 3398 161 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 9500 9463 CHINAMOBILE-CN China Mobile Communications Grou 12479 7299 7159 UNI2-AS, ES 16509 8475 5385 AMAZON-02, US 7545 5721 5030 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4182 4157 FPT-AS-AP FPT Telecom Company, VN 7155 4105 4027 VIASAT-SP-BACKBONE, US 11492 4524 3921 CABLEONE, US 20940 4071 3910 AKAMAI-ASN1, NL 7552 3684 3663 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 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /10:38 /11:103 /12:301 /13:579 /14:1197 /15:2094 /16:13422 /17:8162 /18:13712 /19:24798 /20:42888 /21:50977 /22:109243 /23:97908 /24:552775 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6388 7299 UNI2-AS, ES 8151 5365 11419 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3317 3501 SHAW, CA 7155 3090 4105 VIASAT-SP-BACKBONE, US 8551 2929 3461 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2633 3562 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2085 3529 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) ---------------------------------------------- 1:2145 2:1271 3:202 4:5 5:4537 6:130 7:6 8:1506 9:1 11:172 12:1531 13:387 14:2298 15:304 16:188 17:370 18:449 20:262 21:4 22:188 23:6286 24:2591 25:6 27:2503 29:19 31:2512 32:78 34:22 35:110 36:1978 37:4689 38:4863 39:846 40:151 41:3959 42:1987 43:2306 44:305 45:16488 46:4287 47:376 49:1746 50:1865 51:585 52:1592 54:393 55:873 56:8 57:118 58:1814 59:1051 60:985 61:2542 62:2665 63:1902 64:5624 65:2326 66:5007 67:3065 68:1344 69:4124 70:1202 71:672 72:2985 74:2610 75:1558 76:608 77:2439 78:1809 79:2989 80:2115 81:1785 82:1492 83:1260 84:1509 85:3004 86:751 87:2015 88:1166 89:3729 90:613 91:7752 92:2049 93:2607 94:3614 95:4044 96:1316 97:336 98:1136 99:744 100:91 101:1311 102:2780 103:31486 104:4579 105:505 106:951 107:2587 108:1046 109:4188 110:2110 111:3124 112:2034 113:1729 114:1663 115:1992 116:1891 117:2551 118:2615 119:1992 120:1796 121:1069 122:2589 123:2118 124:1573 125:2476 128:1404 129:1047 130:1000 131:1968 132:845 133:422 134:1827 135:307 136:878 137:946 138:2563 139:1535 140:1256 141:1439 142:1446 143:1507 144:1129 145:344 146:1934 147:1590 148:2404 149:2235 150:884 151:1159 152:1933 153:490 154:4503 155:1425 156:1813 157:1317 158:1084 159:2259 160:2553 161:1541 162:3508 163:1527 164:1615 165:1831 166:1086 167:1718 168:3830 169:947 170:4587 171:900 172:3575 173:2962 174:1072 175:1174 176:3692 177:4572 178:3610 179:2170 180:2536 181:3484 182:3395 183:2081 184:2337 185:20325 186:4793 187:3976 188:4095 189:3685 190:9214 191:1451 192:10901 193:8900 194:7326 195:5162 196:3207 197:2388 198:5889 199:6091 200:7907 201:5926 202:10317 203:10272 204:4551 205:3680 206:4230 207:3396 208:4087 209:4875 210:4172 211:2436 212:4222 213:3627 214:1089 215:59 216:6662 217:2728 218:1273 219:410 220:1757 221:963 222:684 223:2151 End of report