IPv4 R&E Routing Table Report 23:05 GMT Tue 06 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: 932481 Prefixes after maximum aggregation (per Origin AS): 356461 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456799 Number of IPv4 prefixes with a valid ROA: 441430 Number of IPv4 prefixes with an invalid ROA: 1094 Number of IPv4 prefixes with no ROA: 489957 Total ASes present in the Internet Routing Table: 75140 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64685 Origin ASes announcing only one prefix: 26538 Transit ASes present in the Internet Routing Table: 10455 Transit-only ASes present in the Internet Routing Table: 458 Paths with bogon ASNs present in the IPv4 Routing Table: 15 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: 1061 Number of instances of unregistered ASNs: 1069 Number of 32-bit ASNs allocated by the RIRs: 43576 Number of 32-bit ASNs visible in the Routing Table: 35741 Prefixes from 32-bit ASNs in the Routing Table: 180217 Number of bogon 32-bit ASNs visible in the Routing Table: 21 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 497 Number of addresses announced to Internet: 3041944320 Equivalent to 181 /8s, 80 /16s and 99 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 309114 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245445 Total APNIC prefixes after maximum aggregation: 72028 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238321 Unique aggregates announced from the APNIC address blocks: 99955 APNIC Region origin ASes present in the Internet Routing Table: 13864 APNIC Prefixes per ASN: 17.19 APNIC Region origin ASes announcing only one prefix: 4180 APNIC Region transit ASes present in the Internet Routing Table: 1846 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: 9284 Number of APNIC addresses announced to Internet: 773973504 Equivalent to 46 /8s, 33 /16s and 230 /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: 273454 Total ARIN prefixes after maximum aggregation: 123489 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278230 Unique aggregates announced from the ARIN address blocks: 132239 ARIN Region origin ASes present in the Internet Routing Table: 19049 ARIN Prefixes per ASN: 14.61 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1856 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: 4838 Number of ARIN addresses announced to Internet: 1269382144 Equivalent to 75 /8s, 169 /16s and 60 /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: 261753 Total RIPE prefixes after maximum aggregation: 125500 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256447 Unique aggregates announced from the RIPE address blocks: 161258 RIPE Region origin ASes present in the Internet Routing Table: 28517 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12102 RIPE Region transit ASes present in the Internet Routing Table: 3902 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: 11558 Number of RIPE addresses announced to Internet: 713355776 Equivalent to 42 /8s, 132 /16s and 242 /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: 120363 Total LACNIC prefixes after maximum aggregation: 28650 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 118942 Unique aggregates announced from the LACNIC address blocks: 49581 LACNIC Region origin ASes present in the Internet Routing Table: 11044 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: 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: 8896 Number of LACNIC addresses announced to Internet: 177846784 Equivalent to 10 /8s, 153 /16s and 186 /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: 30405 Total AfriNIC prefixes after maximum aggregation: 6089 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 40044 Unique aggregates announced from the AfriNIC address blocks: 13355 AfriNIC Region origin ASes present in the Internet Routing Table: 1816 AfriNIC Prefixes per ASN: 22.05 AfriNIC Region origin ASes announcing only one prefix: 644 AfriNIC Region transit ASes present in the Internet Routing Table: 342 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: 1165 Number of AfriNIC addresses announced to Internet: 107096576 Equivalent to 6 /8s, 98 /16s and 42 /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 9816 8739 51 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 3479 499 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3286 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2696 859 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2186 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 9618 11221 3381 AMAZON-02, US 11492 4579 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 3185 54927 2437 DNIC-AS-00749, US 174 3018 6636 658 COGENT-174, US 367 2937 3726 1436 DNIC-ASBLK-00306-00371, US 396982 2754 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 7584 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3888 3396 132 AKAMAI-ASN1, NL 9009 3279 285 1589 M247, RO 12389 2882 2301 908 ROSTELECOM-AS, RU 8551 2702 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2343 362 596 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1498 1852 14 TE-AS TE-AS, EG 44477 1479 97 715 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 12385 3385 624 UNINET, MX 10620 3520 496 895 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 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1131 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 1527 389 16 LINKdotNET-AS, EG 36992 1364 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1113 71 54 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 539 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 12385 3385 624 UNINET, MX 9808 9816 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9618 11221 3381 AMAZON-02, US 12479 7584 1698 148 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 3888 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 9816 9765 CHINAMOBILE-CN China Mobile Communications Grou 12479 7584 7436 UNI2-AS, ES 16509 9618 6237 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 3888 3756 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 23.171.8.0/24 Origin: 11117 BITABYTE, US 23.171.8.0/24 Transit: 21738 ROZINT, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /14:1192 /15:2062 /16:13339 /17:8098 /18:13551 /19:24640 /20:43128 /21:51199 /22:109913 /23:98757 /24:565556 /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 6701 7584 UNI2-AS, ES 8151 6355 12385 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 2657 3610 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2178 2702 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) ---------------------------------------------- 1:2305 2:1527 3:296 4:5 5:4456 6:164 7:6 8:1494 9:1 11:172 12:1482 13:381 14:2337 15:311 16:203 17:360 18:725 20:352 21:4 22:188 23:6577 24:2704 25:2 27:2551 29:19 31:2559 32:53 34:36 35:121 36:2167 37:4474 38:6730 39:899 40:152 41:4061 42:2215 43:2298 44:326 45:16793 46:4324 47:286 49:1898 50:1892 51:572 52:1594 54:340 55:881 56:5 57:143 58:1965 59:1145 60:1018 61:2623 62:2712 63:1922 64:5514 65:2333 66:4877 67:3047 68:1337 69:4080 70:1197 71:579 72:2915 74:2652 75:1555 76:628 77:2350 78:1835 79:2515 80:2137 81:1882 82:1516 83:1244 84:1617 85:3092 86:776 87:1959 88:1218 89:3966 90:667 91:7903 92:2193 93:2617 94:3622 95:4050 96:1287 97:314 98:1030 99:744 100:95 101:1154 102:3049 103:32453 104:4776 105:597 106:917 107:2760 108:1129 109:4009 110:2146 111:3154 112:2061 113:1738 114:1747 115:1979 116:1954 117:2642 118:2758 119:1945 120:1784 121:1261 122:2636 123:2195 124:1558 125:2806 126:28 128:1459 129:915 130:1076 131:1811 132:822 133:411 134:1706 135:310 136:919 137:1013 138:2758 139:1536 140:1323 141:1340 142:1553 143:1512 144:1014 145:341 146:2001 147:1692 148:2508 149:2504 150:1021 151:1320 152:1972 153:528 154:5665 155:1373 156:2099 157:1478 158:1094 159:2197 160:2606 161:1615 162:3599 163:1689 164:1616 165:2109 166:1061 167:1702 168:3784 169:802 170:4704 171:992 172:3808 173:3007 174:897 175:1215 176:3623 177:4506 178:3515 179:2195 180:2365 181:3667 182:3417 183:2015 184:2283 185:20508 186:4803 187:4385 188:3998 189:3990 190:9344 191:1434 192:10957 193:8975 194:7380 195:5241 196:3147 197:2612 198:5898 199:7121 200:8007 201:6319 202:10146 203:10128 204:4539 205:3684 206:4378 207:3406 208:4095 209:4884 210:4362 211:2505 212:4246 213:3400 214:1111 215:44 216:6800 217:2774 218:1311 219:422 220:1823 221:1019 222:691 223:2201 End of report