IPv4 R&E Routing Table Report 23:05 GMT Thu 08 Feb, 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: 932836 Prefixes after maximum aggregation (per Origin AS): 356440 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456831 Number of IPv4 prefixes with a valid ROA: 442184 Number of IPv4 prefixes with an invalid ROA: 1061 Number of IPv4 prefixes with no ROA: 489591 Total ASes present in the Internet Routing Table: 75163 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64686 Origin ASes announcing only one prefix: 26537 Transit ASes present in the Internet Routing Table: 10477 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 56 Max AS path prepend of ASN (151354) 50 Prefixes from unregistered ASNs in the Routing Table: 1065 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 43576 Number of 32-bit ASNs visible in the Routing Table: 35768 Prefixes from 32-bit ASNs in the Routing Table: 180358 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: 3040946688 Equivalent to 181 /8s, 65 /16s and 42 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 309352 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245481 Total APNIC prefixes after maximum aggregation: 72015 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238304 Unique aggregates announced from the APNIC address blocks: 99914 APNIC Region origin ASes present in the Internet Routing Table: 13873 APNIC Prefixes per ASN: 17.18 APNIC Region origin ASes announcing only one prefix: 4188 APNIC Region transit ASes present in the Internet Routing Table: 1851 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 56 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9292 Number of APNIC addresses announced to Internet: 773908992 Equivalent to 46 /8s, 32 /16s and 234 /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: 273624 Total ARIN prefixes after maximum aggregation: 123476 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 278430 Unique aggregates announced from the ARIN address blocks: 132229 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1860 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: 4836 Number of ARIN addresses announced to Internet: 1269307136 Equivalent to 75 /8s, 168 /16s and 23 /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: 261845 Total RIPE prefixes after maximum aggregation: 125520 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256514 Unique aggregates announced from the RIPE address blocks: 161368 RIPE Region origin ASes present in the Internet Routing Table: 28527 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12104 RIPE Region transit ASes present in the Internet Routing Table: 3898 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: 11566 Number of RIPE addresses announced to Internet: 713384704 Equivalent to 42 /8s, 133 /16s and 99 /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: 120436 Total LACNIC prefixes after maximum aggregation: 28653 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119046 Unique aggregates announced from the LACNIC address blocks: 49604 LACNIC Region origin ASes present in the Internet Routing Table: 11052 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2639 LACNIC Region transit ASes present in the Internet Routing Table: 2373 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: 8906 Number of LACNIC addresses announced to Internet: 177949696 Equivalent to 10 /8s, 155 /16s and 76 /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: 30385 Total AfriNIC prefixes after maximum aggregation: 6063 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 40040 Unique aggregates announced from the AfriNIC address blocks: 13301 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 642 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: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1168 Number of AfriNIC addresses announced to Internet: 106097920 Equivalent to 6 /8s, 82 /16s and 237 /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 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3605 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3483 499 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3286 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2695 859 383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2190 434 197 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 9623 11225 3382 AMAZON-02, US 11492 4579 304 655 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3612 3043 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3592 1320 74 SHAW, CA 16625 3230 1415 2304 AKAMAI-AS, US 749 3184 54927 2436 DNIC-AS-00749, US 174 3162 6640 660 COGENT-174, US 367 2930 3730 1424 DNIC-ASBLK-00306-00371, US 396982 2753 3639 395 GOOGLE-CLOUD-PLATFORM, 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 7594 1698 149 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3902 3396 132 AKAMAI-ASN1, NL 9009 3287 286 1596 M247, RO 12389 2893 2302 909 ROSTELECOM-AS, RU 8551 2700 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2346 363 592 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 58224 1492 848 597 TCI, IR 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 12399 3391 622 UNINET, MX 10620 3520 496 895 Telmex Colombia S.A., CO 13999 2498 337 644 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1326 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1132 178 426 Techtel LMDS Comunicaciones Interactiva 6147 1088 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 24835 1548 545 28 RAYA-AS, EG 24863 1518 389 16 LINKdotNET-AS, EG 36992 1361 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1123 72 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 535 82 3 KENET-AS, KE 15399 534 55 53 WANANCHI-, KE 24757 487 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 12399 3391 622 UNINET, MX 9808 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9623 11225 3382 AMAZON-02, US 12479 7594 1698 149 UNI2-AS, ES 7545 5679 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4579 304 655 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3902 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 9815 9765 CHINAMOBILE-CN China Mobile Communications Grou 12479 7594 7445 UNI2-AS, ES 16509 9623 6241 AMAZON-02, US 7545 5679 4994 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4599 4574 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4579 3924 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 20940 3902 3770 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 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 20473 AS-CHOOPA, 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 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 /13:574 /14:1190 /15:2059 /16:13316 /17:8087 /18:13544 /19:24643 /20:43146 /21:51178 /22:109857 /23:98772 /24:565998 /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 6711 7594 UNI2-AS, ES 8151 6367 12399 UNINET, MX 11492 3493 4579 CABLEONE, US 6327 3391 3592 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 2176 2700 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2137 2480 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2126 3520 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) ---------------------------------------------- 1:2307 2:1524 3:297 4:6 5:4465 6:165 7:6 8:1493 9:1 11:172 12:1482 13:377 14:2337 15:311 16:202 17:360 18:728 20:353 21:4 22:188 23:6584 24:2705 25:2 27:2552 29:19 31:2556 32:54 34:39 35:121 36:2166 37:4469 38:6874 39:900 40:140 41:4063 42:2201 43:2290 44:326 45:16812 46:4339 47:286 49:1899 50:1893 51:572 52:1593 54:340 55:884 56:5 57:144 58:1964 59:1144 60:1018 61:2621 62:2690 63:1923 64:5514 65:2331 66:4887 67:3058 68:1331 69:4083 70:1198 71:578 72:2917 74:2642 75:1555 76:627 77:2355 78:1843 79:2512 80:2125 81:1902 82:1510 83:1245 84:1631 85:3069 86:781 87:1937 88:1216 89:3984 90:672 91:7915 92:2194 93:2629 94:3628 95:4057 96:1287 97:313 98:1031 99:744 100:95 101:1154 102:3066 103:32447 104:4778 105:597 106:917 107:2750 108:1129 109:4001 110:2148 111:3149 112:2061 113:1737 114:1743 115:1976 116:1956 117:2643 118:2758 119:1938 120:1781 121:1261 122:2635 123:2195 124:1600 125:2810 126:28 128:1460 129:914 130:1076 131:1815 132:818 133:411 134:1701 135:310 136:915 137:1010 138:2769 139:1525 140:1325 141:1339 142:1554 143:1515 144:1011 145:342 146:2006 147:1692 148:2497 149:2509 150:1022 151:1321 152:1968 153:528 154:5648 155:1370 156:2095 157:1495 158:1092 159:2199 160:2604 161:1621 162:3600 163:1689 164:1616 165:2109 166:1059 167:1707 168:3796 169:795 170:4697 171:996 172:3804 173:3005 174:897 175:1214 176:3625 177:4518 178:3526 179:2199 180:2365 181:3675 182:3420 183:2015 184:2287 185:20516 186:4804 187:4392 188:3974 189:4011 190:9356 191:1449 192:10968 193:8982 194:7378 195:5250 196:3141 197:2602 198:5902 199:7137 200:8015 201:6346 202:10195 203:10112 204:4546 205:3691 206:4377 207:3409 208:4107 209:4916 210:4354 211:2494 212:4254 213:3407 214:1113 215:44 216:6798 217:2777 218:1312 219:423 220:1823 221:1019 222:691 223:2202 End of report