IPv4 R&E Routing Table Report 23:05 GMT Thu 05 Oct, 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: 924905 Prefixes after maximum aggregation (per Origin AS): 352415 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453216 Number of IPv4 prefixes with a valid ROA: 423581 Number of IPv4 prefixes with an invalid ROA: 1697 Number of IPv4 prefixes with no ROA: 499627 Total ASes present in the Internet Routing Table: 74697 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64251 Origin ASes announcing only one prefix: 26428 Transit ASes present in the Internet Routing Table: 10446 Transit-only ASes present in the Internet Routing Table: 449 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 983 Number of instances of unregistered ASNs: 985 Number of 32-bit ASNs allocated by the RIRs: 42770 Number of 32-bit ASNs visible in the Routing Table: 35126 Prefixes from 32-bit ASNs in the Routing Table: 175186 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: 511 Number of addresses announced to Internet: 3052086272 Equivalent to 181 /8s, 235 /16s and 36 /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: 99.5 Total number of prefixes smaller than registry allocations: 309296 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241387 Total APNIC prefixes after maximum aggregation: 70216 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235010 Unique aggregates announced from the APNIC address blocks: 98878 APNIC Region origin ASes present in the Internet Routing Table: 13582 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4082 APNIC Region transit ASes present in the Internet Routing Table: 1813 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8970 Number of APNIC addresses announced to Internet: 772247040 Equivalent to 46 /8s, 7 /16s and 142 /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: 272131 Total ARIN prefixes after maximum aggregation: 123423 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 275773 Unique aggregates announced from the ARIN address blocks: 131837 ARIN Region origin ASes present in the Internet Routing Table: 19040 ARIN Prefixes per ASN: 14.48 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1874 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: 4814 Number of ARIN addresses announced to Internet: 1277138432 Equivalent to 76 /8s, 31 /16s and 150 /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: 261868 Total RIPE prefixes after maximum aggregation: 123750 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256894 Unique aggregates announced from the RIPE address blocks: 160028 RIPE Region origin ASes present in the Internet Routing Table: 28420 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12063 RIPE Region transit ASes present in the Internet Routing Table: 3913 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: 11346 Number of RIPE addresses announced to Internet: 716155904 Equivalent to 42 /8s, 175 /16s and 172 /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: 118474 Total LACNIC prefixes after maximum aggregation: 28371 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117451 Unique aggregates announced from the LACNIC address blocks: 49349 LACNIC Region origin ASes present in the Internet Routing Table: 11027 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2698 LACNIC Region transit ASes present in the Internet Routing Table: 2324 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: 8854 Number of LACNIC addresses announced to Internet: 178425600 Equivalent to 10 /8s, 162 /16s and 143 /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: 30062 Total AfriNIC prefixes after maximum aggregation: 5973 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 39266 Unique aggregates announced from the AfriNIC address blocks: 12691 AfriNIC Region origin ASes present in the Internet Routing Table: 1797 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 624 AfriNIC Region transit ASes present in the Internet Routing Table: 338 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: 1142 Number of AfriNIC addresses announced to Internet: 107702784 Equivalent to 6 /8s, 107 /16s and 106 /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 5734 785 698 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4245 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3592 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3586 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 3333 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3194 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2531 850 381 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2188 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 9076 10986 3278 AMAZON-02, US 11492 4537 301 671 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3518 3038 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54958 2415 DNIC-AS-00749, US 367 3016 3831 1416 DNIC-ASBLK-00306-00371, US 16625 2999 1410 2295 AKAMAI-AS, US 396982 2700 3597 396 GOOGLE-CLOUD-PLATFORM, US 30036 2498 359 372 MEDIACOM-ENTERPRISE-BUSINESS, 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 7385 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4069 3398 152 AKAMAI-ASN1, NL 8551 3446 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3031 273 1501 M247, RO 12389 2893 2295 912 ROSTELECOM-AS, RU 34984 2334 362 593 TELLCOM-AS, TR 58224 1721 923 531 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1520 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 11819 3367 609 UNINET, MX 10620 3534 504 858 Telmex Colombia S.A., CO 13999 2410 331 624 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1296 766 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1076 169 427 Techtel LMDS Comunicaciones Interactiva 26615 1035 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 1535 549 28 RAYA-AS, EG 36992 1326 1516 283 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 540 55 53 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 479 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 11819 3367 609 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9076 10986 3278 AMAZON-02, US 12479 7385 1713 145 UNI2-AS, ES 7545 5734 785 698 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4537 301 671 CABLEONE, US 18403 4245 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4069 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 7385 7240 UNI2-AS, ES 16509 9076 5798 AMAZON-02, US 7545 5734 5036 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4245 4220 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 20940 4069 3917 AKAMAI-ASN1, NL 11492 4537 3866 CABLEONE, US 7552 3586 3566 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 /11:101 /12:299 /13:578 /14:1194 /15:2094 /16:13451 /17:8211 /18:13728 /19:24853 /20:43320 /21:51159 /22:109661 /23:98530 /24:557650 /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 6471 7385 UNI2-AS, ES 8151 5846 11819 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3450 4537 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3119 4173 VIASAT-SP-BACKBONE, US 8551 2923 3446 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2573 3518 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2108 3534 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) ---------------------------------------------- 1:2202 2:1412 3:266 4:5 5:4433 6:137 7:6 8:1497 9:1 11:172 12:1502 13:367 14:2322 15:304 16:191 17:367 18:656 20:289 21:4 22:188 23:6428 24:2510 25:2 27:2584 29:19 31:2545 32:75 34:26 35:114 36:2003 37:4535 38:5369 39:871 40:143 41:3983 42:2057 43:2264 44:321 45:16602 46:4271 47:371 49:1823 50:1882 51:583 52:1594 54:389 55:941 56:5 57:127 58:1785 59:1115 60:1003 61:2542 62:2681 63:1910 64:5660 65:2346 66:4962 67:3037 68:1343 69:4134 70:1188 71:666 72:2936 74:2617 75:1563 76:628 77:2296 78:1830 79:2991 80:2097 81:1825 82:1520 83:1305 84:1550 85:3094 86:767 87:2001 88:1204 89:3922 90:623 91:7838 92:2063 93:2615 94:3537 95:4051 96:1301 97:315 98:1082 99:732 100:90 101:1292 102:2911 103:32081 104:4746 105:577 106:905 107:2724 108:1132 109:4229 110:2133 111:3143 112:2058 113:1752 114:1686 115:1993 116:1876 117:2530 118:2699 119:1957 120:1777 121:1127 122:2599 123:2164 124:1575 125:2548 128:1393 129:911 130:1038 131:1976 132:810 133:408 134:1782 135:306 136:972 137:972 138:2633 139:1590 140:1289 141:1329 142:1511 143:1558 144:1000 145:351 146:1956 147:1602 148:2449 149:2277 150:875 151:1226 152:1987 153:523 154:5066 155:1389 156:1996 157:1342 158:1059 159:2195 160:2648 161:1597 162:3516 163:1608 164:1696 165:1863 166:1071 167:1737 168:3789 169:800 170:4640 171:921 172:3810 173:2962 174:980 175:1182 176:3757 177:4468 178:3548 179:2156 180:2459 181:3529 182:3364 183:1992 184:2269 185:20621 186:4713 187:4155 188:4153 189:3873 190:9300 191:1381 192:10952 193:8956 194:7301 195:5198 196:3197 197:2439 198:5928 199:6161 200:7913 201:6153 202:10187 203:9997 204:4535 205:3700 206:4337 207:3402 208:4119 209:4868 210:4213 211:2446 212:4282 213:3384 214:1112 215:71 216:6701 217:2771 218:1268 219:405 220:1802 221:980 222:661 223:2145 End of report