IPv4 R&E Routing Table Report 23:05 GMT Tue 20 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: 933336 Prefixes after maximum aggregation (per Origin AS): 356862 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456935 Number of IPv4 prefixes with a valid ROA: 447055 Number of IPv4 prefixes with an invalid ROA: 1073 Number of IPv4 prefixes with no ROA: 485208 Total ASes present in the Internet Routing Table: 75238 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64719 Origin ASes announcing only one prefix: 26582 Transit ASes present in the Internet Routing Table: 10519 Transit-only ASes present in the Internet Routing Table: 479 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: 43666 Number of 32-bit ASNs visible in the Routing Table: 35845 Prefixes from 32-bit ASNs in the Routing Table: 180737 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: 518 Number of addresses announced to Internet: 3041095680 Equivalent to 181 /8s, 67 /16s and 112 /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: 309241 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245725 Total APNIC prefixes after maximum aggregation: 72107 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238524 Unique aggregates announced from the APNIC address blocks: 99991 APNIC Region origin ASes present in the Internet Routing Table: 13893 APNIC Prefixes per ASN: 17.17 APNIC Region origin ASes announcing only one prefix: 4183 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: 9330 Number of APNIC addresses announced to Internet: 774056704 Equivalent to 46 /8s, 35 /16s and 43 /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: 273448 Total ARIN prefixes after maximum aggregation: 123582 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278230 Unique aggregates announced from the ARIN address blocks: 132069 ARIN Region origin ASes present in the Internet Routing Table: 19056 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1903 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4842 Number of ARIN addresses announced to Internet: 1269321728 Equivalent to 75 /8s, 168 /16s and 80 /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: 262169 Total RIPE prefixes after maximum aggregation: 125659 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256950 Unique aggregates announced from the RIPE address blocks: 161781 RIPE Region origin ASes present in the Internet Routing Table: 28539 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12122 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: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11591 Number of RIPE addresses announced to Internet: 713504512 Equivalent to 42 /8s, 135 /16s and 55 /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: 120422 Total LACNIC prefixes after maximum aggregation: 28755 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118966 Unique aggregates announced from the LACNIC address blocks: 49465 LACNIC Region origin ASes present in the Internet Routing Table: 11058 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2358 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: 8909 Number of LACNIC addresses announced to Internet: 177733632 Equivalent to 10 /8s, 152 /16s and 0 /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: 30505 Total AfriNIC prefixes after maximum aggregation: 6048 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 40148 Unique aggregates announced from the AfriNIC address blocks: 13197 AfriNIC Region origin ASes present in the Internet Routing Table: 1819 AfriNIC Prefixes per ASN: 22.07 AfriNIC Region origin ASes announcing only one prefix: 651 AfriNIC Region transit ASes present in the Internet Routing Table: 348 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: 1173 Number of AfriNIC addresses announced to Internet: 106177024 Equivalent to 6 /8s, 84 /16s and 34 /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 5676 784 681 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4604 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3867 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3504 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3287 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2719 861 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 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 9561 11216 3375 AMAZON-02, US 11492 4582 304 645 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3607 3043 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3595 1320 75 SHAW, CA 16625 3211 1395 2289 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 174 3142 6638 669 COGENT-174, US 367 2917 3697 1415 DNIC-ASBLK-00306-00371, US 396982 2755 3639 396 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 7614 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3876 3395 126 AKAMAI-ASN1, NL 9009 3253 283 1581 M247, RO 12389 2893 2304 907 ROSTELECOM-AS, RU 8551 2653 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2350 363 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1501 1852 14 TE-AS TE-AS, EG 44477 1488 97 709 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 12466 3374 607 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2503 340 656 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1329 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 340 496 Axtel, S.A.B. de C.V., MX 11664 1141 179 423 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1075 118 375 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 24863 1548 389 16 LINKdotNET-AS, EG 24835 1547 545 28 RAYA-AS, EG 36992 1362 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1141 73 64 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 536 82 3 KENET-AS, KE 15399 519 55 52 WANANCHI-, KE 37342 486 32 1 MOVITEL, MZ 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 12466 3374 607 UNINET, MX 9808 9816 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9561 11216 3375 AMAZON-02, US 12479 7614 1714 147 UNI2-AS, ES 7545 5676 784 681 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4604 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4582 304 645 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3876 3395 126 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 7614 7467 UNI2-AS, ES 16509 9561 6186 AMAZON-02, US 7545 5676 4995 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4604 4579 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4582 3937 CABLEONE, US 7552 3867 3846 VIETEL-AS-AP Viettel Group, VN 20940 3876 3750 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 /13:572 /14:1190 /15:2057 /16:13336 /17:8107 /18:13565 /19:24622 /20:43142 /21:51104 /22:109735 /23:98745 /24:566689 /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 6729 7614 UNI2-AS, ES 8151 6421 12466 UNINET, MX 11492 3495 4582 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3393 3595 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2653 3607 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2146 2489 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2129 2653 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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) ---------------------------------------------- 1:2291 2:1514 3:296 4:6 5:4478 6:163 7:6 8:1495 9:1 11:172 12:1468 13:378 14:2351 15:312 16:204 17:366 18:730 20:356 21:4 22:188 23:6587 24:2701 25:2 27:2617 29:19 31:2560 32:45 34:39 35:121 36:2180 37:4484 38:6922 39:900 40:140 41:4057 42:2199 43:2294 44:329 45:16799 46:4350 47:287 49:1905 50:1895 51:570 52:1583 54:335 55:883 56:5 57:145 58:1964 59:1146 60:1019 61:2626 62:2668 63:1914 64:5539 65:2330 66:4824 67:3047 68:1336 69:4080 70:1197 71:579 72:2912 74:2635 75:1554 76:630 77:2402 78:1842 79:2471 80:2134 81:1891 82:1527 83:1240 84:1646 85:3081 86:777 87:1970 88:1225 89:3981 90:676 91:7922 92:2190 93:2626 94:3642 95:4072 96:1286 97:313 98:1029 99:744 100:92 101:1158 102:3090 103:32453 104:4758 105:598 106:928 107:2761 108:1128 109:4034 110:2142 111:3146 112:2058 113:1739 114:1753 115:1979 116:1953 117:2643 118:2762 119:1943 120:1785 121:1254 122:2644 123:2189 124:1602 125:2833 126:28 128:1466 129:914 130:1085 131:1816 132:811 133:412 134:1706 135:311 136:923 137:1018 138:2779 139:1541 140:1365 141:1346 142:1557 143:1478 144:1011 145:343 146:2006 147:1694 148:2510 149:2537 150:1025 151:1325 152:1980 153:528 154:5706 155:1371 156:2088 157:1515 158:1095 159:2198 160:2601 161:1628 162:3612 163:1688 164:1624 165:2105 166:1063 167:1705 168:3795 169:791 170:4688 171:999 172:3835 173:3010 174:894 175:1218 176:3635 177:4502 178:3551 179:2183 180:2359 181:3644 182:3417 183:1983 184:2264 185:20613 186:4849 187:4366 188:4012 189:4069 190:9280 191:1414 192:10961 193:8997 194:7391 195:5249 196:3145 197:2653 198:5898 199:7181 200:8052 201:6302 202:10199 203:10117 204:4536 205:3714 206:4416 207:3410 208:4107 209:4938 210:4367 211:2507 212:4273 213:3397 214:1116 215:44 216:6728 217:2800 218:1315 219:408 220:1824 221:1020 222:693 223:2202 End of report