IPv4 R&E Routing Table Report 23:05 GMT Mon 22 Jul, 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: 939859 Prefixes after maximum aggregation (per Origin AS): 360480 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 462258 Number of IPv4 prefixes with a valid ROA: 480133 Number of IPv4 prefixes with an invalid ROA: 1116 Number of IPv4 prefixes with no ROA: 458610 Total ASes present in the Internet Routing Table: 74466 Prefixes per ASN: 12.62 Origin-only ASes present in the Internet Routing Table: 63985 Origin ASes announcing only one prefix: 26434 Transit ASes present in the Internet Routing Table: 10481 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 26 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: 993 Number of instances of unregistered ASNs: 1004 Number of 32-bit ASNs allocated by the RIRs: 45030 Number of 32-bit ASNs visible in the Routing Table: 35520 Prefixes from 32-bit ASNs in the Routing Table: 184794 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 549 Number of addresses announced to Internet: 3023915264 Equivalent to 180 /8s, 61 /16s and 73 /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: 310988 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242868 Total APNIC prefixes after maximum aggregation: 71720 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 234802 Unique aggregates announced from the APNIC address blocks: 98039 APNIC Region origin ASes present in the Internet Routing Table: 12874 APNIC Prefixes per ASN: 18.24 APNIC Region origin ASes announcing only one prefix: 4053 APNIC Region transit ASes present in the Internet Routing Table: 1751 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8469 Number of APNIC addresses announced to Internet: 759543808 Equivalent to 45 /8s, 69 /16s and 184 /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: 276880 Total ARIN prefixes after maximum aggregation: 125167 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281374 Unique aggregates announced from the ARIN address blocks: 134738 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.75 ARIN Region origin ASes announcing only one prefix: 6952 ARIN Region transit ASes present in the Internet Routing Table: 1893 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: 4934 Number of ARIN addresses announced to Internet: 1267065856 Equivalent to 75 /8s, 133 /16s and 228 /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: 265406 Total RIPE prefixes after maximum aggregation: 127603 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260668 Unique aggregates announced from the RIPE address blocks: 165366 RIPE Region origin ASes present in the Internet Routing Table: 28635 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12110 RIPE Region transit ASes present in the Internet Routing Table: 3901 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: 11881 Number of RIPE addresses announced to Internet: 714691072 Equivalent to 42 /8s, 153 /16s and 82 /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: 121908 Total LACNIC prefixes after maximum aggregation: 29061 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 119879 Unique aggregates announced from the LACNIC address blocks: 50163 LACNIC Region origin ASes present in the Internet Routing Table: 11122 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2648 LACNIC Region transit ASes present in the Internet Routing Table: 2430 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9010 Number of LACNIC addresses announced to Internet: 177115904 Equivalent to 10 /8s, 142 /16s and 147 /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: 31804 Total AfriNIC prefixes after maximum aggregation: 6269 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 42587 Unique aggregates announced from the AfriNIC address blocks: 13495 AfriNIC Region origin ASes present in the Internet Routing Table: 1863 AfriNIC Prefixes per ASN: 22.86 AfriNIC Region origin ASes announcing only one prefix: 671 AfriNIC Region transit ASes present in the Internet Routing Table: 354 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: 1226 Number of AfriNIC addresses announced to Internet: 105195776 Equivalent to 6 /8s, 69 /16s and 41 /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 9845 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5659 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4186 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3957 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3787 511 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3622 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3240 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2822 859 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2198 434 200 TATACOMM-AS TATA Communications formerly 45090 2188 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10178 11550 3628 AMAZON-02, US 11492 4630 307 558 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3819 8790 885 COGENT-174, US 6327 3594 1320 78 SHAW, CA 22773 3419 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54899 2505 DNIC-AS-00749, US 16625 3005 1295 2171 AKAMAI-AS, US 7018 2929 23688 1834 ATT-INTERNET4, US 396982 2760 3594 409 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 7687 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3805 3396 129 AKAMAI-ASN1, NL 9009 3584 305 1827 M247, RO 12389 2869 2292 858 ROSTELECOM-AS, RU 34984 2344 361 580 TELLCOM-AS, TR 8551 1770 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1715 123 1254 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1575 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 3306 508 UNINET, MX 10620 3522 493 938 Telmex Colombia S.A., CO 13999 2544 354 679 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1326 783 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 6147 1100 369 22 Telefonica del Peru S.A.A., PE 26615 1083 2503 53 TIM SA, BR 22884 1063 98 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1613 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1381 1520 280 ETISALAT-MISR, EG 29571 1275 81 75 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 938 521 43 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 539 82 3 KENET-AS, KE 15399 519 56 58 WANANCHI-, KE 37342 512 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 3306 508 UNINET, MX 16509 10178 11550 3628 AMAZON-02, US 9808 9845 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7687 1708 145 UNI2-AS, ES 7545 5659 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4630 307 558 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4186 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3957 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 9845 9771 CHINAMOBILE-CN China Mobile Communications Grou 12479 7687 7542 UNI2-AS, ES 16509 10178 6550 AMAZON-02, US 7545 5659 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4186 4163 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4630 4072 CABLEONE, US 7552 3957 3936 VIETEL-AS-AP Viettel Group, VN 20940 3805 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-D 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 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 46639 UNALLOCATED 8.38.73.0/24 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: 6939 HURRICANE, 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /9:16 /10:37 /11:92 /12:294 /13:569 /14:1164 /15:2051 /16:13164 /17:8147 /18:13584 /19:24312 /20:43106 /21:51166 /22:110431 /23:98820 /24:572882 /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 6778 7687 UNI2-AS, ES 8151 5931 11873 UNINET, MX 11492 3539 4630 CABLEONE, US 6327 3391 3594 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2558 3419 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2151 3522 Telmex Colombia S.A., CO 16509 2141 10178 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2295 2:1506 3:379 4:6 5:4383 6:149 7:6 8:1509 9:1 11:172 12:1437 13:360 14:2330 15:323 16:219 17:365 18:785 20:384 21:4 22:188 23:6882 24:2692 25:2 27:2479 29:19 31:2585 32:44 34:65 35:133 36:2308 37:4420 38:8118 39:911 40:149 41:4122 42:1983 43:2291 44:332 45:17268 46:4534 47:300 49:1936 50:1857 51:580 52:1575 54:318 55:924 56:8 57:213 58:2117 59:1153 60:1051 61:2656 62:2755 63:1879 64:5463 65:2285 66:4616 67:3001 68:1309 69:4053 70:1159 71:559 72:2856 74:2600 75:1552 76:622 77:2485 78:1865 79:1772 80:2177 81:2013 82:1649 83:1363 84:1700 85:3175 86:943 87:2024 88:1238 89:4191 90:692 91:8172 92:2336 93:2722 94:3733 95:4200 96:1279 97:317 98:1030 99:740 100:73 101:1151 102:3343 103:28962 104:4764 105:696 106:995 107:2494 108:1155 109:4033 110:2120 111:3190 112:2046 113:1771 114:1626 115:1873 116:1873 117:2631 118:2598 119:1857 120:1746 121:1292 122:2669 123:2156 124:1591 125:2833 126:32 128:1370 129:924 130:1173 131:1871 132:805 133:417 134:1725 135:319 136:1122 137:1045 138:2871 139:1525 140:1418 141:1376 142:1669 143:1622 144:1003 145:358 146:2093 147:2004 148:2551 149:2778 150:1025 151:1334 152:2216 153:518 154:6816 155:1432 156:2197 157:1823 158:1178 159:2428 160:2817 161:1701 162:3519 163:1680 164:1681 165:2134 166:1245 167:1821 168:4037 169:799 170:4923 171:1028 172:3875 173:3054 174:896 175:1191 176:3446 177:4659 178:3600 179:2242 180:2312 181:3797 182:3198 183:1978 184:2252 185:20888 186:4964 187:4412 188:4060 189:4209 190:9485 191:1513 192:11021 193:9164 194:7476 195:5288 196:3210 197:2731 198:5905 199:7985 200:8040 201:6237 202:9917 203:10026 204:4565 205:3629 206:4465 207:3492 208:4148 209:4987 210:4390 211:2533 212:4353 213:3598 214:1068 215:49 216:6730 217:3061 218:1326 219:429 220:1793 221:1029 222:693 223:2201 End of report