IPv4 R&E Routing Table Report 23:05 GMT Fri 08 Mar, 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: 934359 Prefixes after maximum aggregation (per Origin AS): 357459 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458082 Number of IPv4 prefixes with a valid ROA: 451032 Number of IPv4 prefixes with an invalid ROA: 1093 Number of IPv4 prefixes with no ROA: 482234 Total ASes present in the Internet Routing Table: 75319 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64824 Origin ASes announcing only one prefix: 26599 Transit ASes present in the Internet Routing Table: 10495 Transit-only ASes present in the Internet Routing Table: 474 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 1052 Number of instances of unregistered ASNs: 1054 Number of 32-bit ASNs allocated by the RIRs: 43793 Number of 32-bit ASNs visible in the Routing Table: 35956 Prefixes from 32-bit ASNs in the Routing Table: 181437 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: 533 Number of addresses announced to Internet: 3040770304 Equivalent to 181 /8s, 62 /16s and 121 /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: 308375 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246416 Total APNIC prefixes after maximum aggregation: 72200 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239248 Unique aggregates announced from the APNIC address blocks: 99744 APNIC Region origin ASes present in the Internet Routing Table: 13931 APNIC Prefixes per ASN: 17.17 APNIC Region origin ASes announcing only one prefix: 4220 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: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9367 Number of APNIC addresses announced to Internet: 774177280 Equivalent to 46 /8s, 37 /16s and 2 /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: 272708 Total ARIN prefixes after maximum aggregation: 123581 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277352 Unique aggregates announced from the ARIN address blocks: 132567 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6979 ARIN Region transit ASes present in the Internet Routing Table: 1904 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4856 Number of ARIN addresses announced to Internet: 1269957888 Equivalent to 75 /8s, 178 /16s and 5 /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: 262871 Total RIPE prefixes after maximum aggregation: 126063 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257515 Unique aggregates announced from the RIPE address blocks: 162346 RIPE Region origin ASes present in the Internet Routing Table: 28562 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12119 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11641 Number of RIPE addresses announced to Internet: 712646912 Equivalent to 42 /8s, 122 /16s and 33 /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: 120883 Total LACNIC prefixes after maximum aggregation: 28849 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 119357 Unique aggregates announced from the LACNIC address blocks: 49506 LACNIC Region origin ASes present in the Internet Routing Table: 11060 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2632 LACNIC Region transit ASes present in the Internet Routing Table: 2356 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8911 Number of LACNIC addresses announced to Internet: 177410816 Equivalent to 10 /8s, 147 /16s and 19 /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: 30429 Total AfriNIC prefixes after maximum aggregation: 6052 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 40354 Unique aggregates announced from the AfriNIC address blocks: 13486 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 22.20 AfriNIC Region origin ASes announcing only one prefix: 649 AfriNIC Region transit ASes present in the Internet Routing Table: 347 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 44 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1181 Number of AfriNIC addresses announced to Internet: 106280960 Equivalent to 6 /8s, 85 /16s and 184 /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 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5651 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4603 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3843 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3605 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3509 495 250 BBIL-AP BHARTI Airtel Ltd., IN 45899 3286 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2751 863 362 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 434 196 TATACOMM-AS TATA Communications formerl 45090 2150 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 9643 11322 3350 AMAZON-02, US 11492 4576 304 647 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3601 3044 291 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3599 1320 75 SHAW, CA 174 3218 6644 671 COGENT-174, US 749 3199 54920 2451 DNIC-AS-00749, US 16625 3166 1374 2270 AKAMAI-AS, US 367 2920 3649 1409 DNIC-ASBLK-00306-00371, US 396982 2753 3638 403 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 7622 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3858 3395 125 AKAMAI-ASN1, NL 9009 3272 284 1592 M247, RO 12389 2892 2304 906 ROSTELECOM-AS, RU 8551 2653 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 591 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1520 1852 14 TE-AS TE-AS, EG 44477 1490 97 711 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 12532 3356 586 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2504 338 650 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1341 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1208 349 490 Axtel, S.A.B. de C.V., MX 11664 1142 179 425 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1066 114 380 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 1549 545 28 RAYA-AS, EG 24863 1520 389 20 LINKdotNET-AS, EG 36992 1368 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1165 75 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 533 56 54 WANANCHI-, KE 36914 484 82 3 KENET-AS, KE 24757 426 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 12532 3356 586 UNINET, MX 9808 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9643 11322 3350 AMAZON-02, US 12479 7622 1714 147 UNI2-AS, ES 7545 5651 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4603 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4576 304 647 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3858 3395 125 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 9807 9755 CHINAMOBILE-CN China Mobile Communications Grou 12479 7622 7475 UNI2-AS, ES 16509 9643 6293 AMAZON-02, US 7545 5651 4978 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4603 4578 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4576 3929 CABLEONE, US 7552 3843 3823 VIETEL-AS-AP Viettel Group, VN 20940 3858 3733 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 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 CROWNCASTLE-AS46887, 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 395195 UNALLOCATED 8.38.115.0/24 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 23.173.88.0/24 Origin: 394256 CLOUDSINGULARITY, CA 23.173.88.0/24 Transit: 6939 HURRICANE, 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 /12:299 /13:573 /14:1191 /15:2058 /16:13337 /17:8109 /18:13579 /19:24536 /20:43096 /21:50864 /22:110081 /23:98153 /24:568311 /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 6736 7622 UNI2-AS, ES 8151 6478 12532 UNINET, MX 11492 3489 4576 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3397 3599 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2648 3601 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2129 2653 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2286 2:1565 3:310 4:6 5:4501 6:161 7:6 8:1495 9:1 11:172 12:1468 13:382 14:2352 15:314 16:208 17:368 18:739 20:354 21:4 22:188 23:6614 24:2697 25:2 27:2627 29:19 31:2640 32:46 34:45 35:122 36:2197 37:4500 38:7084 39:894 40:140 41:4069 42:2204 43:2306 44:326 45:16815 46:4363 47:288 49:1895 50:1898 51:575 52:1581 54:307 55:882 56:5 57:152 58:1968 59:1121 60:1022 61:2609 62:2696 63:1899 64:5516 65:2322 66:4668 67:3048 68:1336 69:4040 70:1197 71:574 72:2899 74:2578 75:1551 76:631 77:2406 78:1839 79:2477 80:2151 81:1929 82:1501 83:1254 84:1642 85:3086 86:832 87:1972 88:1234 89:4001 90:681 91:7980 92:2179 93:2631 94:3640 95:4114 96:1286 97:312 98:1035 99:742 100:91 101:1162 102:3097 103:32468 104:4758 105:635 106:928 107:2759 108:1128 109:4053 110:2138 111:3164 112:2058 113:1761 114:1770 115:1999 116:1938 117:2620 118:2820 119:1952 120:1784 121:1268 122:2673 123:2174 124:1607 125:2835 126:28 128:1444 129:914 130:1085 131:1804 132:809 133:410 134:1709 135:312 136:931 137:1032 138:2800 139:1556 140:1366 141:1358 142:1553 143:1490 144:1012 145:340 146:2024 147:1695 148:2491 149:2556 150:1082 151:1320 152:1974 153:526 154:5860 155:1354 156:2237 157:1583 158:1097 159:2230 160:2577 161:1633 162:3590 163:1707 164:1615 165:2100 166:1069 167:1708 168:3939 169:785 170:4718 171:990 172:3835 173:3019 174:899 175:1215 176:3646 177:4439 178:3562 179:2219 180:2369 181:3639 182:3393 183:2029 184:2257 185:20585 186:4915 187:4391 188:4002 189:4072 190:9284 191:1435 192:10958 193:9020 194:7433 195:5256 196:3137 197:2562 198:5908 199:7386 200:7992 201:6359 202:10197 203:10136 204:4549 205:3708 206:4444 207:3410 208:4134 209:4965 210:4379 211:2484 212:4285 213:3403 214:1107 215:44 216:6750 217:2805 218:1313 219:409 220:1828 221:1023 222:695 223:2202 End of report