IPv4 R&E Routing Table Report 23:05 GMT Tue 26 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: 929648 Prefixes after maximum aggregation (per Origin AS): 356088 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455582 Number of IPv4 prefixes with a valid ROA: 434106 Number of IPv4 prefixes with an invalid ROA: 844 Number of IPv4 prefixes with no ROA: 494698 Total ASes present in the Internet Routing Table: 74965 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64593 Origin ASes announcing only one prefix: 26545 Transit ASes present in the Internet Routing Table: 10372 Transit-only ASes present in the Internet Routing Table: 449 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1012 Number of instances of unregistered ASNs: 1014 Number of 32-bit ASNs allocated by the RIRs: 43270 Number of 32-bit ASNs visible in the Routing Table: 35516 Prefixes from 32-bit ASNs in the Routing Table: 178139 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: 504 Number of addresses announced to Internet: 3046562816 Equivalent to 181 /8s, 150 /16s and 220 /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: 309634 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244226 Total APNIC prefixes after maximum aggregation: 71426 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237381 Unique aggregates announced from the APNIC address blocks: 99399 APNIC Region origin ASes present in the Internet Routing Table: 13758 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4145 APNIC Region transit ASes present in the Internet Routing Table: 1839 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9164 Number of APNIC addresses announced to Internet: 770496768 Equivalent to 45 /8s, 236 /16s and 217 /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: 272650 Total ARIN prefixes after maximum aggregation: 124277 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277364 Unique aggregates announced from the ARIN address blocks: 132734 ARIN Region origin ASes present in the Internet Routing Table: 19034 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1834 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: 4824 Number of ARIN addresses announced to Internet: 1275388672 Equivalent to 76 /8s, 4 /16s and 227 /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: 261825 Total RIPE prefixes after maximum aggregation: 125040 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256422 Unique aggregates announced from the RIPE address blocks: 160852 RIPE Region origin ASes present in the Internet Routing Table: 28481 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12116 RIPE Region transit ASes present in the Internet Routing Table: 3877 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 42 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11477 Number of RIPE addresses announced to Internet: 714395136 Equivalent to 42 /8s, 148 /16s and 206 /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: 119627 Total LACNIC prefixes after maximum aggregation: 28623 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118310 Unique aggregates announced from the LACNIC address blocks: 49410 LACNIC Region origin ASes present in the Internet Routing Table: 11042 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2333 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: 8894 Number of LACNIC addresses announced to Internet: 178264320 Equivalent to 10 /8s, 160 /16s and 25 /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: 30308 Total AfriNIC prefixes after maximum aggregation: 6015 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39667 Unique aggregates announced from the AfriNIC address blocks: 12769 AfriNIC Region origin ASes present in the Internet Routing Table: 1813 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 341 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1157 Number of AfriNIC addresses announced to Internet: 107725824 Equivalent to 6 /8s, 107 /16s and 196 /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 9778 8738 49 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4533 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3650 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3599 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3406 494 251 BBIL-AP BHARTI Airtel Ltd., IN 45899 3270 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2658 856 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 588 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 9465 11200 3350 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4164 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3468 3033 286 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3199 1420 2328 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2971 3859 1419 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2524 23623 1572 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 7561 1714 146 UNI2-AS, ES 39891 4637 275 58 ALJAWWALSTC-AS, SA 20940 3993 3397 140 AKAMAI-ASN1, NL 9009 3499 301 1633 M247, RO 8551 3350 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2301 912 ROSTELECOM-AS, RU 34984 2332 360 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1511 872 583 TCI, IR 44477 1453 95 718 STARK-INDUSTRIES, 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 12146 3382 600 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2493 339 636 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1102 178 424 Techtel LMDS Comunicaciones Interactiva 6147 1086 369 22 Telefonica del Peru S.A.A., PE 22884 1072 103 398 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 1582 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1053 68 50 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 515 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 24757 478 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 12146 3382 600 UNINET, MX 9808 9778 8738 49 CHINAMOBILE-CN China Mobile Communicati 16509 9465 11200 3350 AMAZON-02, US 12479 7561 1714 146 UNI2-AS, ES 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4637 275 58 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4533 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 288 96 VIASAT-SP-BACKBONE, US 20940 3993 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 9778 9729 CHINAMOBILE-CN China Mobile Communications Grou 12479 7561 7415 UNI2-AS, ES 16509 9465 6115 AMAZON-02, US 7545 5676 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4637 4579 ALJAWWALSTC-AS, SA 18403 4533 4508 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4068 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3993 3853 AKAMAI-ASN1, NL 7552 3650 3630 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 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 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 /13:577 /14:1191 /15:2058 /16:13388 /17:8154 /18:13638 /19:24746 /20:43126 /21:51149 /22:109942 /23:99174 /24:562033 /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 6649 7561 UNI2-AS, ES 8151 6152 12146 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4637 ALJAWWALSTC-AS, SA 7155 3110 4164 VIASAT-SP-BACKBONE, US 8551 2827 3350 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2533 3468 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 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) ---------------------------------------------- 1:2282 2:1404 3:283 4:5 5:4395 6:163 7:6 8:1492 9:1 11:172 12:1488 13:374 14:2330 15:309 16:206 17:360 18:710 20:344 21:4 22:188 23:6549 24:2596 25:2 27:2553 29:19 31:2541 32:53 34:36 35:117 36:2110 37:4477 38:5770 39:884 40:147 41:4117 42:2188 43:2302 44:326 45:16586 46:4345 47:284 49:1894 50:1885 51:572 52:1595 54:377 55:884 56:5 57:127 58:1856 59:1112 60:1012 61:2590 62:2745 63:1906 64:5499 65:2343 66:4967 67:3042 68:1329 69:4052 70:1160 71:609 72:2916 74:2623 75:1548 76:625 77:2338 78:1823 79:3007 80:2109 81:1866 82:1524 83:1319 84:1603 85:2971 86:787 87:1967 88:1231 89:3951 90:658 91:7899 92:2174 93:2633 94:3585 95:3994 96:1298 97:316 98:1015 99:738 100:94 101:1153 102:3009 103:32312 104:4787 105:600 106:971 107:2763 108:1144 109:4151 110:2127 111:3156 112:2077 113:1713 114:1739 115:2007 116:1931 117:2591 118:2761 119:1941 120:1755 121:1247 122:2627 123:2173 124:1579 125:2769 128:1425 129:900 130:1064 131:1957 132:825 133:411 134:1701 135:295 136:877 137:1033 138:2721 139:1546 140:1338 141:1352 142:1534 143:1523 144:999 145:339 146:2017 147:1633 148:2486 149:2387 150:1013 151:1311 152:1840 153:528 154:5405 155:1369 156:2094 157:1365 158:1080 159:2202 160:2621 161:1612 162:3596 163:1629 164:1615 165:1854 166:1069 167:1736 168:3812 169:788 170:4695 171:975 172:3768 173:3013 174:891 175:1216 176:3577 177:4584 178:3524 179:2220 180:2350 181:3642 182:3408 183:2028 184:2269 185:20468 186:4769 187:4298 188:3946 189:3950 190:9316 191:1483 192:10999 193:8975 194:7345 195:5221 196:3128 197:2610 198:5908 199:6825 200:8007 201:6235 202:10195 203:10041 204:4569 205:3652 206:4386 207:3382 208:4074 209:4911 210:4320 211:2493 212:4214 213:3375 214:1118 215:50 216:6767 217:2767 218:1289 219:415 220:1797 221:1019 222:686 223:2194 End of report