IPv4 R&E Routing Table Report 23:05 GMT Mon 06 Nov, 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: 926485 Prefixes after maximum aggregation (per Origin AS): 354262 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454213 Number of IPv4 prefixes with a valid ROA: 426963 Number of IPv4 prefixes with an invalid ROA: 1388 Number of IPv4 prefixes with no ROA: 498134 Total ASes present in the Internet Routing Table: 74810 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64351 Origin ASes announcing only one prefix: 26468 Transit ASes present in the Internet Routing Table: 10459 Transit-only ASes present in the Internet Routing Table: 460 Paths with bogon ASNs present in the IPv4 Routing Table: 6 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1030 Number of instances of unregistered ASNs: 1032 Number of 32-bit ASNs allocated by the RIRs: 43017 Number of 32-bit ASNs visible in the Routing Table: 35270 Prefixes from 32-bit ASNs in the Routing Table: 176554 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 508 Number of addresses announced to Internet: 3049254656 Equivalent to 181 /8s, 191 /16s and 239 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309556 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242595 Total APNIC prefixes after maximum aggregation: 70760 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 235865 Unique aggregates announced from the APNIC address blocks: 98837 APNIC Region origin ASes present in the Internet Routing Table: 13638 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4092 APNIC Region transit ASes present in the Internet Routing Table: 1828 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9033 Number of APNIC addresses announced to Internet: 771641088 Equivalent to 45 /8s, 254 /16s and 79 /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: 272266 Total ARIN prefixes after maximum aggregation: 123958 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276558 Unique aggregates announced from the ARIN address blocks: 132299 ARIN Region origin ASes present in the Internet Routing Table: 19035 ARIN Prefixes per ASN: 14.53 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1878 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4817 Number of ARIN addresses announced to Internet: 1276357632 Equivalent to 76 /8s, 19 /16s and 172 /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: 261428 Total RIPE prefixes after maximum aggregation: 124379 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256222 Unique aggregates announced from the RIPE address blocks: 160533 RIPE Region origin ASes present in the Internet Routing Table: 28456 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12099 RIPE Region transit ASes present in the Internet Routing Table: 3914 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11407 Number of RIPE addresses announced to Internet: 715018240 Equivalent to 42 /8s, 158 /16s and 80 /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: 119283 Total LACNIC prefixes after maximum aggregation: 28452 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118194 Unique aggregates announced from the LACNIC address blocks: 49391 LACNIC Region origin ASes present in the Internet Routing Table: 11035 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2335 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: 8870 Number of LACNIC addresses announced to Internet: 178376192 Equivalent to 10 /8s, 161 /16s and 206 /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: 29883 Total AfriNIC prefixes after maximum aggregation: 6006 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 39138 Unique aggregates announced from the AfriNIC address blocks: 12731 AfriNIC Region origin ASes present in the Internet Routing Table: 1797 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 626 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1143 Number of AfriNIC addresses announced to Internet: 107448320 Equivalent to 6 /8s, 103 /16s and 136 /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 9524 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5714 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4251 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3613 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3316 1872 98 VNPT-AS-VN VNPT Corp, VN 9498 3246 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2574 851 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2191 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 9061 11002 3316 AMAZON-02, US 11492 4532 301 683 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3546 1320 67 SHAW, CA 22773 3514 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 367 3057 3867 1438 DNIC-ASBLK-00306-00371, US 16625 3029 1374 2284 AKAMAI-AS, US 396982 2709 3598 400 GOOGLE-CLOUD-PLATFORM, US 7018 2514 23615 1596 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 7410 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3999 3397 141 AKAMAI-ASN1, NL 8551 3447 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3426 297 1595 M247, RO 12389 2893 2295 913 ROSTELECOM-AS, RU 34984 2322 361 591 TELLCOM-AS, TR 58224 1662 913 569 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1515 1852 14 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 11974 3373 613 UNINET, MX 10620 3544 504 860 Telmex Colombia S.A., CO 13999 2432 331 636 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1295 777 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1242 341 503 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 11664 1058 168 430 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 1609 391 38 LINKdotNET-AS, EG 24835 1521 497 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 810 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 501 53 40 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 480 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 11974 3373 613 UNINET, MX 9808 9524 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9061 11002 3316 AMAZON-02, US 12479 7410 1713 145 UNI2-AS, ES 7545 5714 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4532 301 683 CABLEONE, US 18403 4251 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 3999 3397 141 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 9524 9484 CHINAMOBILE-CN China Mobile Communications Grou 12479 7410 7265 UNI2-AS, ES 16509 9061 5745 AMAZON-02, US 7545 5714 5020 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4251 4226 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 20940 3999 3858 AKAMAI-ASN1, NL 11492 4532 3849 CABLEONE, US 7552 3613 3593 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 /10:37 /11:100 /12:299 /13:578 /14:1193 /15:2055 /16:13411 /17:8211 /18:13661 /19:24787 /20:43130 /21:51065 /22:109644 /23:98758 /24:559516 /25:0 /26:2 /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 6500 7410 UNI2-AS, ES 8151 5990 11974 UNINET, MX 11492 3446 4532 CABLEONE, US 6327 3356 3546 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2924 3447 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2569 3514 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2143 2487 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3544 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) ---------------------------------------------- 1:2218 2:1424 3:271 4:5 5:4380 6:161 7:6 8:1498 9:1 11:172 12:1497 13:330 14:2312 15:304 16:203 17:366 18:669 20:318 21:4 22:188 23:6497 24:2532 25:2 27:2585 29:19 31:2546 32:68 34:30 35:115 36:2023 37:4465 38:5535 39:865 40:149 41:3995 42:2066 43:2279 44:325 45:16725 46:4332 47:372 49:1861 50:1870 51:577 52:1577 54:389 55:885 56:5 57:125 58:1814 59:1113 60:1011 61:2575 62:2683 63:1896 64:5515 65:2339 66:4973 67:3053 68:1341 69:4123 70:1183 71:624 72:2940 74:2623 75:1568 76:637 77:2327 78:1825 79:3007 80:2104 81:1858 82:1521 83:1301 84:1601 85:2983 86:772 87:1935 88:1229 89:3946 90:626 91:7864 92:2128 93:2635 94:3566 95:3996 96:1302 97:315 98:1083 99:733 100:91 101:1380 102:2934 103:32176 104:4784 105:575 106:979 107:2792 108:1138 109:4235 110:2132 111:3140 112:2059 113:1730 114:1697 115:1994 116:1911 117:2551 118:2702 119:1943 120:1749 121:1183 122:2610 123:2173 124:1577 125:2608 128:1406 129:906 130:1048 131:1980 132:809 133:408 134:1685 135:300 136:906 137:982 138:2708 139:1558 140:1326 141:1325 142:1540 143:1528 144:1001 145:342 146:1962 147:1624 148:2463 149:2357 150:873 151:1242 152:1837 153:533 154:5286 155:1403 156:2073 157:1347 158:1059 159:2191 160:2615 161:1595 162:3515 163:1599 164:1669 165:1852 166:1062 167:1752 168:3835 169:792 170:4652 171:956 172:3871 173:2988 174:976 175:1191 176:3606 177:4612 178:3527 179:2206 180:2286 181:3575 182:3365 183:1986 184:2267 185:20592 186:4776 187:4301 188:4052 189:3974 190:9315 191:1434 192:10961 193:8965 194:7299 195:5202 196:3125 197:2491 198:5930 199:6430 200:7992 201:6194 202:10224 203:10015 204:4538 205:3678 206:4323 207:3417 208:4099 209:4880 210:4218 211:2447 212:4265 213:3397 214:1115 215:71 216:6698 217:2768 218:1277 219:409 220:1801 221:996 222:680 223:2157 End of report