IPv4 R&E Routing Table Report 23:05 GMT Sat 05 Aug, 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: 920255 Prefixes after maximum aggregation (per Origin AS): 350079 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452144 Number of IPv4 prefixes with a valid ROA: 415269 Number of IPv4 prefixes with an invalid ROA: 1282 Number of IPv4 prefixes with no ROA: 503704 Total ASes present in the Internet Routing Table: 74487 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63990 Origin ASes announcing only one prefix: 26286 Transit ASes present in the Internet Routing Table: 10497 Transit-only ASes present in the Internet Routing Table: 454 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1061 Number of instances of unregistered ASNs: 1063 Number of 32-bit ASNs allocated by the RIRs: 42384 Number of 32-bit ASNs visible in the Routing Table: 34839 Prefixes from 32-bit ASNs in the Routing Table: 173207 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 573 Number of addresses announced to Internet: 3052369152 Equivalent to 181 /8s, 239 /16s and 117 /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: 308162 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240224 Total APNIC prefixes after maximum aggregation: 69292 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234060 Unique aggregates announced from the APNIC address blocks: 98697 APNIC Region origin ASes present in the Internet Routing Table: 13465 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3986 APNIC Region transit ASes present in the Internet Routing Table: 1775 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8841 Number of APNIC addresses announced to Internet: 772786432 Equivalent to 46 /8s, 15 /16s and 201 /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: 270537 Total ARIN prefixes after maximum aggregation: 123399 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272571 Unique aggregates announced from the ARIN address blocks: 130776 ARIN Region origin ASes present in the Internet Routing Table: 19053 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1888 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4803 Number of ARIN addresses announced to Internet: 1276506112 Equivalent to 76 /8s, 21 /16s and 240 /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: 259947 Total RIPE prefixes after maximum aggregation: 122372 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256762 Unique aggregates announced from the RIPE address blocks: 159796 RIPE Region origin ASes present in the Internet Routing Table: 28359 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3963 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11272 Number of RIPE addresses announced to Internet: 716607744 Equivalent to 42 /8s, 182 /16s and 145 /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 196608-213403 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: 118558 Total LACNIC prefixes after maximum aggregation: 28383 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117657 Unique aggregates announced from the LACNIC address blocks: 49710 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2656 LACNIC Region transit ASes present in the Internet Routing Table: 2343 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8808 Number of LACNIC addresses announced to Internet: 178491136 Equivalent to 10 /8s, 163 /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: 29928 Total AfriNIC prefixes after maximum aggregation: 5908 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38632 Unique aggregates announced from the AfriNIC address blocks: 12686 AfriNIC Region origin ASes present in the Internet Routing Table: 1769 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 620 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1115 Number of AfriNIC addresses announced to Internet: 107585024 Equivalent to 6 /8s, 105 /16s and 158 /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 9522 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5688 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3637 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3350 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3058 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2472 839 431 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2149 441 199 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 8851 10942 3164 AMAZON-02, US 11492 4521 300 621 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3551 3053 286 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3063 1503 2311 AKAMAI-AS, US 367 2946 3811 1383 DNIC-ASBLK-00306-00371, US 396982 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2507 359 387 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 7325 1707 142 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4066 3398 156 AKAMAI-ASN1, NL 8551 3454 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2293 912 ROSTELECOM-AS, RU 9009 2657 246 1385 M247, RO 34984 2316 362 602 TELLCOM-AS, TR 58224 1816 944 535 TCI, IR 13188 1606 100 27 TRIOLAN, UA 6849 1602 307 17 UKRTELNET, UA 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 11612 3372 606 UNINET, MX 10620 3534 507 832 Telmex Colombia S.A., CO 13999 2415 361 630 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1315 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 344 510 Axtel, S.A.B. de C.V., MX 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1122 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 48 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 1586 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 498 32 1 MOVITEL, MZ 15399 457 54 47 WANANCHI-, KE 24757 443 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 11612 3372 606 UNINET, MX 9808 9522 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8851 10942 3164 AMAZON-02, US 12479 7325 1707 142 UNI2-AS, ES 7545 5688 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4521 300 621 CABLEONE, US 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4066 3398 156 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 9522 9485 CHINAMOBILE-CN China Mobile Communications Grou 12479 7325 7183 UNI2-AS, ES 16509 8851 5687 AMAZON-02, US 7545 5688 5002 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4240 4215 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4066 3910 AKAMAI-ASN1, NL 11492 4521 3900 CABLEONE, US 7552 3637 3616 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /11:102 /12:296 /13:572 /14:1195 /15:2100 /16:13438 /17:8179 /18:13729 /19:24813 /20:43231 /21:50977 /22:109364 /23:98324 /24:553858 /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 6414 7325 UNI2-AS, ES 8151 5611 11612 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3431 4521 CABLEONE, US 6327 3337 3527 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2923 3454 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2605 3551 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2165 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2093 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) ---------------------------------------------- 1:2179 2:1333 3:231 4:5 5:4498 6:134 7:6 8:1515 9:1 11:172 12:1518 13:383 14:2294 15:302 16:193 17:374 18:596 20:273 21:4 22:188 23:6354 24:2480 25:6 27:2526 29:19 31:2524 32:78 34:25 35:111 36:1981 37:4666 38:5111 39:835 40:147 41:3923 42:2021 43:2303 44:311 45:16569 46:4304 47:384 49:1768 50:1855 51:585 52:1594 54:391 55:949 56:8 57:121 58:1820 59:1117 60:992 61:2492 62:2678 63:1920 64:5564 65:2293 66:4897 67:3047 68:1318 69:4085 70:1204 71:680 72:2978 74:2614 75:1577 76:615 77:2452 78:1830 79:2973 80:2117 81:1797 82:1495 83:1282 84:1516 85:2961 86:763 87:2000 88:1171 89:3844 90:616 91:7811 92:2058 93:2577 94:3568 95:4031 96:1296 97:318 98:1147 99:735 100:94 101:1314 102:2858 103:31802 104:4574 105:566 106:878 107:2549 108:1094 109:4246 110:2112 111:3122 112:2057 113:1738 114:1645 115:1981 116:1881 117:2571 118:2670 119:1971 120:1783 121:1075 122:2571 123:2136 124:1576 125:2480 128:1394 129:1039 130:1017 131:1954 132:834 133:422 134:1790 135:307 136:895 137:958 138:2629 139:1567 140:1239 141:1291 142:1452 143:1491 144:991 145:342 146:1944 147:1600 148:2403 149:2174 150:878 151:1170 152:1960 153:510 154:4668 155:1374 156:1859 157:1317 158:1068 159:2217 160:2604 161:1564 162:3506 163:1564 164:1703 165:1865 166:984 167:1726 168:3851 169:927 170:4588 171:895 172:3631 173:2978 174:1048 175:1177 176:3738 177:4570 178:3592 179:2172 180:2442 181:3493 182:3402 183:1993 184:2300 185:20492 186:4751 187:4126 188:4116 189:3796 190:9209 191:1388 192:10894 193:8925 194:7275 195:5151 196:3188 197:2457 198:5914 199:6081 200:7921 201:5982 202:10219 203:10007 204:4542 205:3626 206:4250 207:3374 208:4130 209:4895 210:4196 211:2440 212:4242 213:3582 214:1085 215:59 216:6702 217:2765 218:1267 219:414 220:1797 221:968 222:667 223:2157 End of report