IPv4 R&E Routing Table Report 23:05 GMT Tue 25 Jun, 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: 945582 Prefixes after maximum aggregation (per Origin AS): 362132 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465077 Number of IPv4 prefixes with a valid ROA: 481669 Number of IPv4 prefixes with an invalid ROA: 1171 Number of IPv4 prefixes with no ROA: 462742 Total ASes present in the Internet Routing Table: 75731 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65152 Origin ASes announcing only one prefix: 26667 Transit ASes present in the Internet Routing Table: 10579 Transit-only ASes present in the Internet Routing Table: 515 Paths with bogon ASNs present in the IPv4 Routing Table: 16 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 1000 Number of instances of unregistered ASNs: 1002 Number of 32-bit ASNs allocated by the RIRs: 44852 Number of 32-bit ASNs visible in the Routing Table: 36566 Prefixes from 32-bit ASNs in the Routing Table: 187144 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 560 Number of addresses announced to Internet: 3023701760 Equivalent to 180 /8s, 58 /16s and 7 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 311001 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249382 Total APNIC prefixes after maximum aggregation: 73507 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241396 Unique aggregates announced from the APNIC address blocks: 101128 APNIC Region origin ASes present in the Internet Routing Table: 14127 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4300 APNIC Region transit ASes present in the Internet Routing Table: 1884 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: 9595 Number of APNIC addresses announced to Internet: 761145088 Equivalent to 45 /8s, 94 /16s and 39 /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: 276291 Total ARIN prefixes after maximum aggregation: 125110 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280751 Unique aggregates announced from the ARIN address blocks: 134601 ARIN Region origin ASes present in the Internet Routing Table: 19102 ARIN Prefixes per ASN: 14.70 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1888 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4926 Number of ARIN addresses announced to Internet: 1266265600 Equivalent to 75 /8s, 121 /16s and 174 /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, 393216-402332 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: 265367 Total RIPE prefixes after maximum aggregation: 127440 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260269 Unique aggregates announced from the RIPE address blocks: 165076 RIPE Region origin ASes present in the Internet Routing Table: 28648 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 12118 RIPE Region transit ASes present in the Internet Routing Table: 3909 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11854 Number of RIPE addresses announced to Internet: 713865984 Equivalent to 42 /8s, 140 /16s and 187 /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: 121822 Total LACNIC prefixes after maximum aggregation: 29178 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119925 Unique aggregates announced from the LACNIC address blocks: 50221 LACNIC Region origin ASes present in the Internet Routing Table: 11101 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2627 LACNIC Region transit ASes present in the Internet Routing Table: 2383 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8981 Number of LACNIC addresses announced to Internet: 176741120 Equivalent to 10 /8s, 136 /16s and 219 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 31720 Total AfriNIC prefixes after maximum aggregation: 6228 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 42681 Unique aggregates announced from the AfriNIC address blocks: 13593 AfriNIC Region origin ASes present in the Internet Routing Table: 1847 AfriNIC Prefixes per ASN: 23.11 AfriNIC Region origin ASes announcing only one prefix: 656 AfriNIC Region transit ASes present in the Internet Routing Table: 356 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1210 Number of AfriNIC addresses announced to Internet: 105382400 Equivalent to 6 /8s, 72 /16s and 2 /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 9861 8745 72 CHINAMOBILE-CN China Mobile Communicati 7545 5642 776 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4209 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3932 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3780 510 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3633 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3269 1857 106 VNPT-AS-VN VNPT Corp, VN 24560 2826 863 395 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 420 209 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 10065 11498 3622 AMAZON-02, US 11492 4641 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3726 8784 867 COGENT-174, US 6327 3593 1320 79 SHAW, CA 22773 3447 3037 209 ASN-CXA-ALL-CCI-22773-RDC, US 749 3248 54900 2500 DNIC-AS-00749, US 16625 3039 1316 2201 AKAMAI-AS, US 7018 2881 23667 1810 ATT-INTERNET4, US 396982 2766 3611 414 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 7712 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3806 3396 130 AKAMAI-ASN1, NL 9009 3595 306 1816 M247, RO 12389 2887 2293 863 ROSTELECOM-AS, RU 34984 2347 361 577 TELLCOM-AS, TR 8551 1778 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1699 123 1231 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1571 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 11873 3311 508 UNINET, MX 10620 3518 492 938 Telmex Colombia S.A., CO 13999 2551 356 674 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1326 778 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 6147 1094 369 22 Telefonica del Peru S.A.A., PE 26615 1081 2503 53 TIM SA, BR 22884 1062 97 367 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 1622 389 16 LINKdotNET-AS, EG 24835 1548 593 29 RAYA-AS, EG 36992 1380 1520 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1229 78 76 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 554 1861 35 IAM-AS, MA 36914 536 82 3 KENET-AS, KE 15399 517 56 56 WANANCHI-, KE 37342 478 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 11873 3311 508 UNINET, MX 16509 10065 11498 3622 AMAZON-02, US 9808 9861 8745 72 CHINAMOBILE-CN China Mobile Communicati 12479 7712 1708 145 UNI2-AS, ES 7545 5642 776 671 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4641 308 547 CABLEONE, US 18403 4209 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3932 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9861 9789 CHINAMOBILE-CN China Mobile Communications Grou 12479 7712 7567 UNI2-AS, ES 16509 10065 6443 AMAZON-02, US 7545 5642 4971 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4209 4186 FPT-AS-AP FPT Telecom Company, VN 11492 4641 4094 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3932 3911 VIETEL-AS-AP Viettel Group, VN 20940 3806 3676 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 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 BTN-ASN, US 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 23.147.105.0/24 Origin: 398998 MAVERIX, US 23.147.105.0/24 Transit: 174 COGENT-174, US 23.147.106.0/24 Origin: 398998 MAVERIX, US 23.147.106.0/24 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 /11:93 /12:296 /13:568 /14:1170 /15:2059 /16:13204 /17:8153 /18:13595 /19:24342 /20:43107 /21:51176 /22:110710 /23:99119 /24:577916 /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 6800 7712 UNI2-AS, ES 8151 5942 11873 UNINET, MX 11492 3548 4641 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2563 3447 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2147 3518 Telmex Colombia S.A., CO 30036 2138 2478 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2134 10065 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2296 2:1492 3:353 4:6 5:4353 6:161 7:6 8:1514 9:1 11:172 12:1447 13:357 14:2364 15:317 16:217 17:367 18:771 20:387 21:4 22:188 23:6846 24:2709 25:2 27:2561 29:19 31:2585 32:45 34:65 35:134 36:2337 37:4471 38:7933 39:898 40:143 41:4098 42:2008 43:2347 44:323 45:17214 46:4495 47:302 49:1959 50:1880 51:581 52:1580 54:313 55:913 56:8 57:210 58:2085 59:1194 60:1037 61:2624 62:2740 63:1883 64:5483 65:2310 66:4589 67:2984 68:1299 69:4093 70:1174 71:577 72:2875 74:2595 75:1550 76:620 77:2491 78:1857 79:1777 80:2189 81:2018 82:1643 83:1354 84:1678 85:3176 86:916 87:2020 88:1221 89:4157 90:685 91:8151 92:2326 93:2707 94:3722 95:4188 96:1283 97:317 98:1026 99:739 100:73 101:1164 102:3470 103:32342 104:4771 105:702 106:991 107:2483 108:1144 109:4034 110:2139 111:3254 112:2038 113:1809 114:1808 115:2074 116:1872 117:2661 118:2805 119:1983 120:1776 121:1301 122:2690 123:2212 124:1611 125:2852 126:32 128:1388 129:920 130:1158 131:1868 132:821 133:413 134:1735 135:324 136:1120 137:1002 138:2857 139:1518 140:1404 141:1378 142:1666 143:1560 144:1009 145:368 146:2080 147:1981 148:2536 149:2718 150:1035 151:1368 152:2208 153:522 154:6934 155:1485 156:2276 157:1864 158:1159 159:2313 160:2741 161:1704 162:3536 163:1690 164:1679 165:2156 166:1277 167:1812 168:4034 169:791 170:4935 171:1027 172:3858 173:3043 174:890 175:1237 176:3458 177:4769 178:3676 179:2209 180:2409 181:3776 182:3345 183:1980 184:2258 185:20840 186:4991 187:4425 188:4067 189:4183 190:9535 191:1497 192:10999 193:9145 194:7497 195:5303 196:3164 197:2729 198:5899 199:7940 200:8110 201:6328 202:10188 203:10165 204:4555 205:3629 206:4427 207:3485 208:4142 209:5003 210:4411 211:2529 212:4346 213:3543 214:1056 215:49 216:6761 217:3045 218:1289 219:415 220:1809 221:1038 222:686 223:2219 End of report