IPv4 R&E Routing Table Report 23:05 GMT Fri 09 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: 932913 Prefixes after maximum aggregation (per Origin AS): 356533 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456891 Number of IPv4 prefixes with a valid ROA: 442407 Number of IPv4 prefixes with an invalid ROA: 1064 Number of IPv4 prefixes with no ROA: 489442 Total ASes present in the Internet Routing Table: 75156 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64678 Origin ASes announcing only one prefix: 26530 Transit ASes present in the Internet Routing Table: 10478 Transit-only ASes present in the Internet Routing Table: 458 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: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1067 Number of instances of unregistered ASNs: 1069 Number of 32-bit ASNs allocated by the RIRs: 43591 Number of 32-bit ASNs visible in the Routing Table: 35774 Prefixes from 32-bit ASNs in the Routing Table: 180506 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: 505 Number of addresses announced to Internet: 3040813568 Equivalent to 181 /8s, 63 /16s and 34 /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: 309340 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245562 Total APNIC prefixes after maximum aggregation: 72044 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238360 Unique aggregates announced from the APNIC address blocks: 99925 APNIC Region origin ASes present in the Internet Routing Table: 13870 APNIC Prefixes per ASN: 17.19 APNIC Region origin ASes announcing only one prefix: 4187 APNIC Region transit ASes present in the Internet Routing Table: 1852 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9290 Number of APNIC addresses announced to Internet: 773942272 Equivalent to 46 /8s, 33 /16s and 108 /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: 273579 Total ARIN prefixes after maximum aggregation: 123495 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 278384 Unique aggregates announced from the ARIN address blocks: 132245 ARIN Region origin ASes present in the Internet Routing Table: 19042 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1867 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: 4840 Number of ARIN addresses announced to Internet: 1269166592 Equivalent to 75 /8s, 165 /16s and 242 /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: 261951 Total RIPE prefixes after maximum aggregation: 125569 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256647 Unique aggregates announced from the RIPE address blocks: 161438 RIPE Region origin ASes present in the Internet Routing Table: 28527 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12106 RIPE Region transit ASes present in the Internet Routing Table: 3891 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11569 Number of RIPE addresses announced to Internet: 713398784 Equivalent to 42 /8s, 133 /16s and 154 /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: 120374 Total LACNIC prefixes after maximum aggregation: 28646 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 118977 Unique aggregates announced from the LACNIC address blocks: 49562 LACNIC Region origin ASes present in the Internet Routing Table: 11045 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2636 LACNIC Region transit ASes present in the Internet Routing Table: 2364 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: 8905 Number of LACNIC addresses announced to Internet: 177830656 Equivalent to 10 /8s, 153 /16s and 123 /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: 30380 Total AfriNIC prefixes after maximum aggregation: 6068 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 40040 Unique aggregates announced from the AfriNIC address blocks: 13303 AfriNIC Region origin ASes present in the Internet Routing Table: 1820 AfriNIC Prefixes per ASN: 22.00 AfriNIC Region origin ASes announcing only one prefix: 639 AfriNIC Region transit ASes present in the Internet Routing Table: 351 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: 1170 Number of AfriNIC addresses announced to Internet: 106176256 Equivalent to 6 /8s, 84 /16s and 31 /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 9814 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 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3483 499 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3287 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2697 859 383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 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 9606 11221 3403 AMAZON-02, US 11492 4580 304 655 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3610 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 3165 6640 661 COGENT-174, US 367 2928 3729 1426 DNIC-ASBLK-00306-00371, US 396982 2752 3639 394 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 7595 1698 149 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3849 3396 132 AKAMAI-ASN1, NL 9009 3292 286 1598 M247, RO 12389 2894 2302 908 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 1495 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 12343 3391 622 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2502 337 640 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 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1133 178 427 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1073 117 375 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 1124 72 58 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 527 82 3 KENET-AS, KE 15399 523 55 52 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 12343 3391 622 UNINET, MX 9808 9814 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9606 11221 3403 AMAZON-02, US 12479 7595 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 4580 304 655 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9814 9764 CHINAMOBILE-CN China Mobile Communications Grou 12479 7595 7446 UNI2-AS, ES 16509 9606 6203 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 4580 3925 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 20940 3849 3717 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 /16:13317 /17:8087 /18:13548 /19:24644 /20:43147 /21:51160 /22:109835 /23:98795 /24:566085 /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 6712 7595 UNI2-AS, ES 8151 6340 12343 UNINET, MX 11492 3494 4580 CABLEONE, US 6327 3391 3592 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2656 3610 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2176 2700 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2138 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2128 3522 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 2:1530 3:298 4:6 5:4464 6:165 7:6 8:1495 9:1 11:172 12:1482 13:377 14:2338 15:311 16:203 17:360 18:730 20:353 21:4 22:188 23:6579 24:2704 25:2 27:2551 29:19 31:2558 32:54 34:39 35:121 36:2168 37:4466 38:6879 39:900 40:140 41:4054 42:2215 43:2291 44:330 45:16829 46:4341 47:286 49:1899 50:1893 51:572 52:1590 54:343 55:883 56:5 57:144 58:1963 59:1144 60:1018 61:2622 62:2691 63:1922 64:5505 65:2330 66:4888 67:3052 68:1336 69:4080 70:1197 71:578 72:2916 74:2643 75:1555 76:627 77:2353 78:1843 79:2512 80:2125 81:1903 82:1522 83:1245 84:1631 85:3077 86:781 87:1939 88:1218 89:3989 90:671 91:7917 92:2193 93:2631 94:3639 95:4063 96:1286 97:313 98:1031 99:744 100:95 101:1153 102:3073 103:32453 104:4772 105:597 106:917 107:2765 108:1125 109:4009 110:2147 111:3155 112:2059 113:1733 114:1747 115:1975 116:1953 117:2643 118:2751 119:1942 120:1784 121:1261 122:2635 123:2195 124:1600 125:2812 126:28 128:1461 129:914 130:1076 131:1817 132:816 133:411 134:1703 135:311 136:919 137:1006 138:2779 139:1526 140:1360 141:1340 142:1555 143:1517 144:1011 145:342 146:2001 147:1696 148:2510 149:2510 150:1022 151:1322 152:1972 153:527 154:5652 155:1372 156:2094 157:1495 158:1094 159:2197 160:2605 161:1625 162:3599 163:1689 164:1612 165:2109 166:1061 167:1709 168:3775 169:795 170:4696 171:996 172:3807 173:3007 174:897 175:1215 176:3605 177:4561 178:3525 179:2197 180:2367 181:3678 182:3420 183:2015 184:2276 185:20522 186:4817 187:4384 188:3977 189:3997 190:9297 191:1446 192:10973 193:8980 194:7379 195:5245 196:3136 197:2606 198:5901 199:7132 200:8008 201:6343 202:10189 203:10118 204:4540 205:3702 206:4366 207:3409 208:4102 209:4913 210:4360 211:2488 212:4256 213:3406 214:1113 215:44 216:6792 217:2786 218:1313 219:423 220:1823 221:1019 222:691 223:2203 End of report