IPv4 R&E Routing Table Report 23:05 GMT Mon 25 Sep, 2023 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: 922705 Prefixes after maximum aggregation (per Origin AS): 352265 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452891 Number of IPv4 prefixes with a valid ROA: 420672 Number of IPv4 prefixes with an invalid ROA: 1647 Number of IPv4 prefixes with no ROA: 500386 Total ASes present in the Internet Routing Table: 74649 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64216 Origin ASes announcing only one prefix: 26377 Transit ASes present in the Internet Routing Table: 10433 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1007 Number of instances of unregistered ASNs: 1009 Number of 32-bit ASNs allocated by the RIRs: 42690 Number of 32-bit ASNs visible in the Routing Table: 35071 Prefixes from 32-bit ASNs in the Routing Table: 174812 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 537 Number of addresses announced to Internet: 3053287680 Equivalent to 181 /8s, 253 /16s and 121 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 308237 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241272 Total APNIC prefixes after maximum aggregation: 70178 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234923 Unique aggregates announced from the APNIC address blocks: 98765 APNIC Region origin ASes present in the Internet Routing Table: 13562 APNIC Prefixes per ASN: 17.32 APNIC Region origin ASes announcing only one prefix: 4045 APNIC Region transit ASes present in the Internet Routing Table: 1807 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8954 Number of APNIC addresses announced to Internet: 772282368 Equivalent to 46 /8s, 8 /16s and 24 /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: 271070 Total ARIN prefixes after maximum aggregation: 123376 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274314 Unique aggregates announced from the ARIN address blocks: 131612 ARIN Region origin ASes present in the Internet Routing Table: 19036 ARIN Prefixes per ASN: 14.41 ARIN Region origin ASes announcing only one prefix: 6949 ARIN Region transit ASes present in the Internet Routing Table: 1877 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4815 Number of ARIN addresses announced to Internet: 1277793024 Equivalent to 76 /8s, 41 /16s and 147 /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: 260995 Total RIPE prefixes after maximum aggregation: 123650 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256550 Unique aggregates announced from the RIPE address blocks: 159890 RIPE Region origin ASes present in the Internet Routing Table: 28404 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12053 RIPE Region transit ASes present in the Internet Routing Table: 3906 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11327 Number of RIPE addresses announced to Internet: 716612096 Equivalent to 42 /8s, 182 /16s and 162 /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: 118321 Total LACNIC prefixes after maximum aggregation: 28375 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117272 Unique aggregates announced from the LACNIC address blocks: 49301 LACNIC Region origin ASes present in the Internet Routing Table: 11020 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2697 LACNIC Region transit ASes present in the Internet Routing Table: 2332 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8839 Number of LACNIC addresses announced to Internet: 178421248 Equivalent to 10 /8s, 162 /16s and 126 /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: 30040 Total AfriNIC prefixes after maximum aggregation: 5987 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39109 Unique aggregates announced from the AfriNIC address blocks: 12879 AfriNIC Region origin ASes present in the Internet Routing Table: 1793 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 633 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.8 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1136 Number of AfriNIC addresses announced to Internet: 107747328 Equivalent to 6 /8s, 108 /16s and 24 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5726 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4265 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3745 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3592 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3325 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3155 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2521 850 376 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2186 442 201 TATACOMM-AS TATA Communications formerl 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 9082 10990 3261 AMAZON-02, US 11492 4526 300 684 CABLEONE, US 7155 4177 288 98 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3536 3039 301 ASN-CXA-ALL-CCI-22773-RDC, US 749 3151 54959 2403 DNIC-AS-00749, US 367 2988 3824 1428 DNIC-ASBLK-00306-00371, US 16625 2954 1398 2250 AKAMAI-AS, US 396982 2697 3597 394 GOOGLE-CLOUD-PLATFORM, US 7018 2495 23670 1557 ATT-INTERNET4, 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 7386 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4037 3398 152 AKAMAI-ASN1, NL 8551 3457 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2904 2296 913 ROSTELECOM-AS, RU 9009 2772 257 1423 M247, RO 34984 2333 362 592 TELLCOM-AS, TR 13188 1606 100 27 TRIOLAN, UA 58224 1545 869 661 TCI, IR 8452 1488 1852 16 TE-AS TE-AS, EG 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 11860 3368 602 UNINET, MX 10620 3543 506 852 Telmex Colombia S.A., CO 13999 2407 334 621 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1327 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1307 344 509 Axtel, S.A.B. de C.V., MX 3816 1295 764 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1112 369 22 Telefonica del Peru S.A.A., PE 11664 1108 179 428 Techtel LMDS Comunicaciones Interactiva 26615 1034 2501 49 TIM SA, BR 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 1606 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 517 55 49 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 439 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 11860 3368 602 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9082 10990 3261 AMAZON-02, US 12479 7386 1713 145 UNI2-AS, ES 7545 5726 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4526 300 684 CABLEONE, US 18403 4265 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 98 VIASAT-SP-BACKBONE, US 20940 4037 3398 152 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7386 7241 UNI2-AS, ES 16509 9082 5821 AMAZON-02, US 7545 5726 5036 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4265 4240 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4079 VIASAT-SP-BACKBONE, US 20940 4037 3885 AKAMAI-ASN1, NL 11492 4526 3842 CABLEONE, US 7552 3745 3725 VIETEL-AS-AP Viettel Group, VN 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 11168 SCC, 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 6461 ZAYO-6461, 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 23.176.160.0/24 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 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /10:38 /11:101 /12:297 /13:575 /14:1195 /15:2095 /16:13423 /17:8206 /18:13730 /19:24812 /20:43138 /21:50868 /22:109506 /23:98582 /24:556100 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6473 7386 UNI2-AS, ES 8151 5877 11860 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3440 4526 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3123 4177 VIASAT-SP-BACKBONE, US 8551 2925 3457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2586 3536 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2107 3543 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) ---------------------------------------------- 1:2208 2:1415 3:265 4:5 5:4501 6:135 7:6 8:1496 9:1 11:172 12:1512 13:373 14:2321 15:303 16:192 17:368 18:652 20:286 21:4 22:188 23:6405 24:2496 25:2 27:2580 29:19 31:2535 32:74 34:26 35:114 36:2000 37:4521 38:5335 39:870 40:146 41:4045 42:2065 43:2270 44:322 45:16561 46:4278 47:370 49:1822 50:1877 51:598 52:1594 54:392 55:779 56:5 57:123 58:1793 59:1119 60:1001 61:2538 62:2671 63:1909 64:5623 65:2378 66:4915 67:3025 68:1337 69:4149 70:1193 71:663 72:2952 74:2609 75:1561 76:627 77:2295 78:1825 79:2989 80:2105 81:1819 82:1487 83:1293 84:1536 85:3061 86:770 87:2000 88:1167 89:3887 90:620 91:7809 92:2061 93:2620 94:3515 95:4017 96:1300 97:315 98:1078 99:731 100:90 101:1287 102:2873 103:32066 104:4717 105:576 106:887 107:2686 108:1126 109:4233 110:2126 111:3142 112:2057 113:1756 114:1687 115:1997 116:1887 117:2537 118:2696 119:1961 120:1776 121:1122 122:2597 123:2151 124:1570 125:2514 128:1421 129:913 130:1027 131:1961 132:834 133:408 134:1782 135:306 136:970 137:967 138:2627 139:1566 140:1171 141:1315 142:1503 143:1542 144:1002 145:351 146:1939 147:1598 148:2423 149:2262 150:875 151:1226 152:1981 153:522 154:5094 155:1386 156:1937 157:1340 158:1057 159:2244 160:2616 161:1590 162:3537 163:1599 164:1689 165:1856 166:1056 167:1742 168:3726 169:881 170:4633 171:921 172:3751 173:2955 174:980 175:1177 176:3770 177:4441 178:3533 179:2141 180:2489 181:3508 182:3314 183:1996 184:2278 185:20573 186:4704 187:4185 188:4165 189:3863 190:9224 191:1352 192:10959 193:8951 194:7301 195:5202 196:3079 197:2432 198:5898 199:6122 200:7839 201:6043 202:10187 203:9999 204:4542 205:3686 206:4317 207:3399 208:4134 209:4903 210:4206 211:2439 212:4268 213:3403 214:1114 215:56 216:6686 217:2774 218:1267 219:405 220:1800 221:981 222:663 223:2143 End of report