IPv4 R&E Routing Table Report 23:05 GMT Wed 24 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: 930881 Prefixes after maximum aggregation (per Origin AS): 356066 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455668 Number of IPv4 prefixes with a valid ROA: 437649 Number of IPv4 prefixes with an invalid ROA: 1364 Number of IPv4 prefixes with no ROA: 491868 Total ASes present in the Internet Routing Table: 75108 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64652 Origin ASes announcing only one prefix: 26539 Transit ASes present in the Internet Routing Table: 10456 Transit-only ASes present in the Internet Routing Table: 463 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: 1086 Number of instances of unregistered ASNs: 1088 Number of 32-bit ASNs allocated by the RIRs: 43446 Number of 32-bit ASNs visible in the Routing Table: 35696 Prefixes from 32-bit ASNs in the Routing Table: 179531 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: 487 Number of addresses announced to Internet: 3046448128 Equivalent to 181 /8s, 149 /16s and 28 /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: 308840 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245059 Total APNIC prefixes after maximum aggregation: 71872 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238045 Unique aggregates announced from the APNIC address blocks: 99722 APNIC Region origin ASes present in the Internet Routing Table: 13839 APNIC Prefixes per ASN: 17.20 APNIC Region origin ASes announcing only one prefix: 4176 APNIC Region transit ASes present in the Internet Routing Table: 1849 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9260 Number of APNIC addresses announced to Internet: 774302464 Equivalent to 46 /8s, 38 /16s and 235 /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: 272429 Total ARIN prefixes after maximum aggregation: 123555 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277253 Unique aggregates announced from the ARIN address blocks: 132009 ARIN Region origin ASes present in the Internet Routing Table: 19022 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6958 ARIN Region transit ASes present in the Internet Routing Table: 1849 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: 4826 Number of ARIN addresses announced to Internet: 1271880960 Equivalent to 75 /8s, 207 /16s and 93 /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: 261873 Total RIPE prefixes after maximum aggregation: 125247 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256440 Unique aggregates announced from the RIPE address blocks: 161113 RIPE Region origin ASes present in the Internet Routing Table: 28526 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12115 RIPE Region transit ASes present in the Internet Routing Table: 3903 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: 11553 Number of RIPE addresses announced to Internet: 714195456 Equivalent to 42 /8s, 145 /16s and 194 /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: 119964 Total LACNIC prefixes after maximum aggregation: 28619 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118619 Unique aggregates announced from the LACNIC address blocks: 49532 LACNIC Region origin ASes present in the Internet Routing Table: 11043 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2639 LACNIC Region transit ASes present in the Internet Routing Table: 2361 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: 177991168 Equivalent to 10 /8s, 155 /16s and 238 /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: 30470 Total AfriNIC prefixes after maximum aggregation: 6052 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 40037 Unique aggregates announced from the AfriNIC address blocks: 12891 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 22.03 AfriNIC Region origin ASes announcing only one prefix: 651 AfriNIC Region transit ASes present in the Internet Routing Table: 345 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1163 Number of AfriNIC addresses announced to Internet: 107792640 Equivalent to 6 /8s, 108 /16s and 201 /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 9779 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4558 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3867 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3449 499 255 BBIL-AP BHARTI Airtel Ltd., IN 45899 3280 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2689 860 358 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2185 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 9445 11221 3425 AMAZON-02, US 11492 4570 303 666 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3567 1319 69 SHAW, CA 22773 3506 3041 294 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3218 1411 2301 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2977 3833 1440 DNIC-ASBLK-00306-00371, US 396982 2747 3639 391 GOOGLE-CLOUD-PLATFORM, US 7018 2514 23621 1582 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 7546 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3996 3396 132 AKAMAI-ASN1, NL 9009 3294 286 1595 M247, RO 12389 2992 2302 914 ROSTELECOM-AS, RU 8551 2810 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2327 359 600 TELLCOM-AS, TR 13188 1607 100 29 TRIOLAN, UA 58224 1510 867 579 TCI, IR 8452 1469 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 12339 3379 615 UNINET, MX 10620 3527 497 884 Telmex Colombia S.A., CO 13999 2492 336 640 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1219 340 493 Axtel, S.A.B. de C.V., MX 11664 1116 177 425 Techtel LMDS Comunicaciones Interactiva 6147 1087 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 1564 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1365 1518 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1090 70 50 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 540 56 54 WANANCHI-, KE 36914 536 82 3 KENET-AS, KE 24757 485 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 12339 3379 615 UNINET, MX 9808 9779 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9445 11221 3425 AMAZON-02, US 12479 7546 1698 148 UNI2-AS, ES 7545 5679 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4570 303 666 CABLEONE, US 18403 4558 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3996 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 9779 9728 CHINAMOBILE-CN China Mobile Communications Grou 12479 7546 7398 UNI2-AS, ES 16509 9445 6020 AMAZON-02, US 7545 5679 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4558 4533 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4570 3904 CABLEONE, US 20940 3996 3864 AKAMAI-ASN1, NL 7552 3867 3847 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 19589 UNALLOCATED 8.19.242.0/24 23314 ORLANDOTELCO, US 19589 UNALLOCATED 8.19.248.0/24 23314 ORLANDOTELCO, 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 19589 UNALLOCATED 8.26.112.0/23 23314 ORLANDOTELCO, 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 /11:99 /12:300 /13:575 /14:1193 /15:2065 /16:13404 /17:8133 /18:13658 /19:24715 /20:43154 /21:51175 /22:109919 /23:98447 /24:563970 /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 6638 7546 UNI2-AS, ES 8151 6313 12339 UNINET, MX 11492 3484 4570 CABLEONE, US 6327 3373 3567 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2554 3506 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2286 2810 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2130 3527 Telmex Colombia S.A., CO 30036 2128 2471 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2294 2:1549 3:287 4:5 5:4440 6:163 7:6 8:1491 9:1 11:172 12:1481 13:374 14:2334 15:310 16:203 17:361 18:710 20:350 21:4 22:188 23:6602 24:2700 25:2 27:2553 29:19 31:2547 32:54 34:36 35:120 36:2158 37:4470 38:6009 39:889 40:151 41:4068 42:2204 43:2297 44:325 45:16720 46:4276 47:286 49:1894 50:1888 51:572 52:1592 54:361 55:814 56:5 57:134 58:1905 59:1145 60:1016 61:2601 62:2767 63:1907 64:5510 65:2337 66:4860 67:3043 68:1331 69:4084 70:1175 71:579 72:2921 74:2636 75:1554 76:621 77:2344 78:1831 79:2601 80:2125 81:1890 82:1526 83:1242 84:1633 85:3089 86:771 87:1960 88:1215 89:3968 90:660 91:7919 92:2184 93:2647 94:3599 95:4014 96:1291 97:319 98:1014 99:744 100:96 101:1165 102:3031 103:32448 104:4785 105:599 106:911 107:2746 108:1117 109:4027 110:2136 111:3143 112:2065 113:1722 114:1742 115:2002 116:1954 117:2640 118:2763 119:1948 120:1781 121:1260 122:2630 123:2172 124:1559 125:2799 126:28 128:1467 129:890 130:1070 131:1867 132:823 133:409 134:1709 135:307 136:918 137:998 138:2774 139:1563 140:1301 141:1357 142:1545 143:1519 144:1010 145:340 146:1991 147:1662 148:2515 149:2435 150:1018 151:1314 152:1964 153:528 154:5596 155:1378 156:2091 157:1421 158:1087 159:2201 160:2600 161:1623 162:3601 163:1670 164:1613 165:2094 166:1074 167:1693 168:3787 169:790 170:4680 171:991 172:3792 173:3003 174:893 175:1216 176:3622 177:4532 178:3515 179:2210 180:2365 181:3653 182:3414 183:2014 184:2284 185:20541 186:4743 187:4335 188:3995 189:3961 190:9325 191:1464 192:10972 193:8980 194:7363 195:5210 196:3148 197:2648 198:5891 199:7046 200:8044 201:6329 202:10146 203:10066 204:4573 205:3681 206:4380 207:3404 208:4085 209:4905 210:4348 211:2507 212:4212 213:3402 214:1111 215:44 216:6798 217:2768 218:1289 219:414 220:1818 221:1021 222:690 223:2200 End of report