IPv4 R&E Routing Table Report 23:05 GMT Thu 20 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: 944640 Prefixes after maximum aggregation (per Origin AS): 361509 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464974 Number of IPv4 prefixes with a valid ROA: 480432 Number of IPv4 prefixes with an invalid ROA: 1003 Number of IPv4 prefixes with no ROA: 463205 Total ASes present in the Internet Routing Table: 75712 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65127 Origin ASes announcing only one prefix: 26709 Transit ASes present in the Internet Routing Table: 10585 Transit-only ASes present in the Internet Routing Table: 506 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: 989 Number of instances of unregistered ASNs: 993 Number of 32-bit ASNs allocated by the RIRs: 44805 Number of 32-bit ASNs visible in the Routing Table: 36542 Prefixes from 32-bit ASNs in the Routing Table: 186805 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: 602 Number of addresses announced to Internet: 3022944000 Equivalent to 180 /8s, 46 /16s and 119 /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: 310709 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249090 Total APNIC prefixes after maximum aggregation: 73446 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241290 Unique aggregates announced from the APNIC address blocks: 101104 APNIC Region origin ASes present in the Internet Routing Table: 14123 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4296 APNIC Region transit ASes present in the Internet Routing Table: 1882 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: 9583 Number of APNIC addresses announced to Internet: 761019392 Equivalent to 45 /8s, 92 /16s and 60 /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: 276031 Total ARIN prefixes after maximum aggregation: 125021 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280400 Unique aggregates announced from the ARIN address blocks: 134631 ARIN Region origin ASes present in the Internet Routing Table: 19099 ARIN Prefixes per ASN: 14.68 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1896 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: 4919 Number of ARIN addresses announced to Internet: 1266321920 Equivalent to 75 /8s, 122 /16s and 138 /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: 265336 Total RIPE prefixes after maximum aggregation: 127349 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260219 Unique aggregates announced from the RIPE address blocks: 164887 RIPE Region origin ASes present in the Internet Routing Table: 28657 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12143 RIPE Region transit ASes present in the Internet Routing Table: 3902 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11849 Number of RIPE addresses announced to Internet: 712965376 Equivalent to 42 /8s, 126 /16s and 253 /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: 121273 Total LACNIC prefixes after maximum aggregation: 28807 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119377 Unique aggregates announced from the LACNIC address blocks: 50270 LACNIC Region origin ASes present in the Internet Routing Table: 11089 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2643 LACNIC Region transit ASes present in the Internet Routing Table: 2385 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: 8980 Number of LACNIC addresses announced to Internet: 176661504 Equivalent to 10 /8s, 135 /16s and 164 /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: 31921 Total AfriNIC prefixes after maximum aggregation: 6216 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 42752 Unique aggregates announced from the AfriNIC address blocks: 13627 AfriNIC Region origin ASes present in the Internet Routing Table: 1847 AfriNIC Prefixes per ASN: 23.15 AfriNIC Region origin ASes announcing only one prefix: 658 AfriNIC Region transit ASes present in the Internet Routing Table: 359 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1211 Number of AfriNIC addresses announced to Internet: 105659392 Equivalent to 6 /8s, 76 /16s and 60 /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 9850 8744 71 CHINAMOBILE-CN China Mobile Communicati 7545 5642 776 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4207 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3931 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3779 510 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3608 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3280 1857 106 VNPT-AS-VN VNPT Corp, VN 24560 2827 864 392 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2198 434 199 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 10085 11458 3582 AMAZON-02, US 11492 4641 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3584 8783 865 COGENT-174, US 22773 3456 3039 212 ASN-CXA-ALL-CCI-22773-RDC, US 749 3250 54901 2502 DNIC-AS-00749, US 16625 3035 1316 2201 AKAMAI-AS, US 7018 2879 23667 1808 ATT-INTERNET4, US 396982 2769 3620 417 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 7719 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3802 3396 129 AKAMAI-ASN1, NL 9009 3594 306 1816 M247, RO 12389 2913 2294 869 ROSTELECOM-AS, RU 34984 2347 361 577 TELLCOM-AS, TR 8551 1773 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1697 123 1231 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1529 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 11872 3303 507 UNINET, MX 10620 3518 492 938 Telmex Colombia S.A., CO 13999 2553 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 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 19037 1213 278 33 AMX Argentina S.A., AR 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 6147 1092 369 22 Telefonica del Peru S.A.A., PE 26615 1078 2503 53 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 1611 389 20 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1380 1520 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1221 77 73 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 15399 525 56 56 WANANCHI-, KE 36914 521 82 3 KENET-AS, KE 37342 480 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 11872 3303 507 UNINET, MX 16509 10085 11458 3582 AMAZON-02, US 9808 9850 8744 71 CHINAMOBILE-CN China Mobile Communicati 12479 7719 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 4207 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3931 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 9850 9779 CHINAMOBILE-CN China Mobile Communications Grou 12479 7719 7574 UNI2-AS, ES 16509 10085 6503 AMAZON-02, US 7545 5642 4971 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4207 4184 FPT-AS-AP FPT Telecom Company, VN 11492 4641 4094 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3931 3910 VIETEL-AS-AP Viettel Group, VN 20940 3802 3673 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 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 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 /13:567 /14:1168 /15:2056 /16:13199 /17:8140 /18:13582 /19:24311 /20:43106 /21:51132 /22:110669 /23:99026 /24:577221 /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 6807 7719 UNI2-AS, ES 8151 5921 11872 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 2567 3456 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2154 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2147 3518 Telmex Colombia S.A., CO 16509 2130 10085 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2298 2:1492 3:353 4:6 5:4574 6:162 7:6 8:1505 9:1 11:172 12:1453 13:358 14:2364 15:316 16:217 17:366 18:772 20:385 21:4 22:188 23:6818 24:2699 25:2 27:2561 29:19 31:2574 32:45 34:65 35:134 36:2335 37:4470 38:7688 39:898 40:143 41:4159 42:2015 43:2349 44:324 45:17136 46:4483 47:302 49:1957 50:1878 51:580 52:1581 54:316 55:914 56:8 57:207 58:2078 59:1193 60:1037 61:2627 62:2735 63:1884 64:5476 65:2312 66:4598 67:2987 68:1301 69:4101 70:1176 71:572 72:2873 74:2584 75:1547 76:621 77:2490 78:1857 79:1783 80:2189 81:2013 82:1640 83:1356 84:1678 85:3172 86:915 87:2018 88:1222 89:4152 90:683 91:8139 92:2304 93:2703 94:3715 95:4186 96:1280 97:318 98:1026 99:740 100:73 101:1163 102:3512 103:32357 104:4778 105:702 106:991 107:2476 108:1144 109:4022 110:2140 111:3252 112:2045 113:1803 114:1808 115:2062 116:1876 117:2657 118:2786 119:1984 120:1776 121:1300 122:2688 123:2213 124:1626 125:2851 126:32 128:1404 129:917 130:1159 131:1862 132:814 133:412 134:1735 135:323 136:1110 137:1048 138:2822 139:1514 140:1393 141:1362 142:1655 143:1560 144:993 145:368 146:2081 147:1973 148:2524 149:2731 150:1030 151:1364 152:2212 153:522 154:6943 155:1486 156:2274 157:1861 158:1149 159:2313 160:2723 161:1712 162:3538 163:1695 164:1663 165:2155 166:1266 167:1802 168:4026 169:788 170:4910 171:1028 172:3858 173:3042 174:891 175:1230 176:3463 177:4726 178:3671 179:2203 180:2405 181:3757 182:3345 183:1986 184:2262 185:20822 186:4973 187:4345 188:4055 189:4170 190:9435 191:1474 192:10997 193:9140 194:7507 195:5286 196:3211 197:2717 198:5891 199:7932 200:8054 201:6313 202:10188 203:10156 204:4567 205:3646 206:4432 207:3490 208:4143 209:5034 210:4409 211:2528 212:4342 213:3502 214:1059 215:49 216:6748 217:3034 218:1291 219:415 220:1812 221:1038 222:686 223:2221 End of report