IPv4 R&E Routing Table Report 23:05 GMT Sun 20 Oct, 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: 956584 Prefixes after maximum aggregation (per Origin AS): 366180 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 468228 Number of IPv4 prefixes with a valid ROA: 505600 Number of IPv4 prefixes with an invalid ROA: 1105 Number of IPv4 prefixes with no ROA: 449879 Total ASes present in the Internet Routing Table: 76147 Prefixes per ASN: 12.56 Origin-only ASes present in the Internet Routing Table: 65424 Origin ASes announcing only one prefix: 26806 Transit ASes present in the Internet Routing Table: 10723 Transit-only ASes present in the Internet Routing Table: 512 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 969 Number of instances of unregistered ASNs: 980 Number of 32-bit ASNs allocated by the RIRs: 45594 Number of 32-bit ASNs visible in the Routing Table: 37206 Prefixes from 32-bit ASNs in the Routing Table: 192979 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3026800896 Equivalent to 180 /8s, 105 /16s and 81 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 314058 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252278 Total APNIC prefixes after maximum aggregation: 74931 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 244326 Unique aggregates announced from the APNIC address blocks: 101046 APNIC Region origin ASes present in the Internet Routing Table: 14326 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4369 APNIC Region transit ASes present in the Internet Routing Table: 1907 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9816 Number of APNIC addresses announced to Internet: 756154880 Equivalent to 45 /8s, 18 /16s and 2 /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: 280637 Total ARIN prefixes after maximum aggregation: 125903 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 283760 Unique aggregates announced from the ARIN address blocks: 135459 ARIN Region origin ASes present in the Internet Routing Table: 19127 ARIN Prefixes per ASN: 14.84 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1901 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5025 Number of ARIN addresses announced to Internet: 1266391296 Equivalent to 75 /8s, 123 /16s and 153 /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: 267456 Total RIPE prefixes after maximum aggregation: 129388 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 264278 Unique aggregates announced from the RIPE address blocks: 168421 RIPE Region origin ASes present in the Internet Routing Table: 28758 RIPE Prefixes per ASN: 9.19 RIPE Region origin ASes announcing only one prefix: 12142 RIPE Region transit ASes present in the Internet Routing Table: 3921 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 54 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12050 Number of RIPE addresses announced to Internet: 722249728 Equivalent to 43 /8s, 12 /16s and 168 /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: 122393 Total LACNIC prefixes after maximum aggregation: 28777 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 120049 Unique aggregates announced from the LACNIC address blocks: 48542 LACNIC Region origin ASes present in the Internet Routing Table: 11156 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2459 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9060 Number of LACNIC addresses announced to Internet: 177534464 Equivalent to 10 /8s, 148 /16s and 246 /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: 32851 Total AfriNIC prefixes after maximum aggregation: 6549 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 43661 Unique aggregates announced from the AfriNIC address blocks: 14325 AfriNIC Region origin ASes present in the Internet Routing Table: 1890 AfriNIC Prefixes per ASN: 23.10 AfriNIC Region origin ASes announcing only one prefix: 690 AfriNIC Region transit ASes present in the Internet Routing Table: 364 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1255 Number of AfriNIC addresses announced to Internet: 104192768 Equivalent to 6 /8s, 53 /16s and 219 /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 10069 8750 80 CHINAMOBILE-CN China Mobile Communication 7545 5977 840 655 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4537 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3966 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3847 511 265 BBIL-AP BHARTI Airtel Ltd., IN 7713 3645 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2780 829 541 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2209 434 196 TATACOMM-AS TATA Communications formerly 45090 2208 1439 86 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 10879 11910 3808 AMAZON-02, US 11492 4660 310 547 CABLEONE, US 174 4520 8765 870 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3603 1320 79 SHAW, CA 22773 3411 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3264 54912 2511 DNIC-AS-00749, US 7018 3200 23677 1977 ATT-INTERNET4, US 396982 2867 3652 421 GOOGLE-CLOUD-PLATFORM, US 16625 2793 1217 2097 AKAMAI-AS, 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 7635 1709 143 UNI2-AS, ES 39891 4668 282 60 ALJAWWALSTC-AS, SA 20940 3823 3395 125 AKAMAI-ASN1, NL 9009 3683 317 1890 M247, RO 12389 2944 2294 879 ROSTELECOM-AS, RU 34984 2334 357 579 TELLCOM-AS, TR 212238 1795 131 1333 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 8551 1467 366 32 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11554 3236 511 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2533 534 356 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1319 779 200 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1154 373 162 Axtel, S.A.B. de C.V., MX 6147 1102 369 22 Telefonica del Peru S.A.A., PE 22884 1055 97 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1035 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 24835 1637 593 29 RAYA-AS, EG 24863 1614 389 16 LINKdotNET-AS, EG 36992 1414 1519 283 ETISALAT-MISR, EG 29571 1352 86 61 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 976 521 41 Vodafone-, EG 37069 639 1099 13 MOBINIL, EG 6713 555 1861 35 IAM-AS, MA 36914 524 82 3 KENET-AS, KE 37342 516 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 11554 3236 511 UNINET, MX 16509 10879 11910 3808 AMAZON-02, US 9808 10069 8750 80 CHINAMOBILE-CN China Mobile Communication 12479 7635 1709 143 UNI2-AS, ES 7545 5977 840 655 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 282 60 ALJAWWALSTC-AS, SA 11492 4660 310 547 CABLEONE, US 18403 4537 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4520 8765 870 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 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 10069 9989 CHINAMOBILE-CN China Mobile Communications Grou 12479 7635 7492 UNI2-AS, ES 16509 10879 7071 AMAZON-02, US 7545 5977 5322 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 4608 ALJAWWALSTC-AS, SA 18403 4537 4514 FPT-AS-AP FPT Telecom Company, VN 11492 4660 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3966 3941 VIETEL-AS-AP Viettel Group, VN 20940 3823 3698 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: 3491 CONSOLE-CONNECT-ASN, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 23.139.88.0/24 Origin: 397244 RESERVED, ZZ 23.139.88.0/24 Transit: 33387 NOCIX, 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 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 /10:36 /11:91 /12:295 /13:575 /14:1171 /15:2058 /16:13123 /17:8140 /18:13590 /19:24214 /20:43624 /21:51553 /22:111563 /23:99244 /24:587275 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6702 7635 UNI2-AS, ES 8151 5737 11554 UNINET, MX 11492 3555 4660 CABLEONE, US 39891 3428 4668 ALJAWWALSTC-AS, SA 6327 3398 3603 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2542 3411 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2217 10879 AMAZON-02, US 30036 2178 2517 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2175 3546 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) ---------------------------------------------- 1:2275 2:1524 3:503 4:8 5:4467 6:169 7:6 8:1513 9:1 11:172 12:1421 13:369 14:2428 15:330 16:264 17:356 18:894 20:430 21:4 22:188 23:6870 24:2646 25:2 27:2657 29:19 31:2892 32:44 34:73 35:142 36:2361 37:4524 38:8683 39:917 40:153 41:4133 42:2179 43:2418 44:334 45:17606 46:4660 47:299 49:2005 50:1874 51:581 52:1579 54:317 55:957 56:8 57:222 58:2180 59:1195 60:1139 61:2767 62:2823 63:1849 64:5408 65:2281 66:4644 67:2997 68:1332 69:4014 70:1128 71:567 72:2863 74:2778 75:1627 76:631 77:2579 78:1866 79:1648 80:2192 81:2025 82:1751 83:1370 84:1742 85:3087 86:976 87:2156 88:1258 89:4368 90:678 91:8256 92:2605 93:2810 94:3792 95:4313 96:1261 97:316 98:1073 99:739 100:72 101:1164 102:3430 103:32246 104:4460 105:706 106:985 107:2390 108:1162 109:4013 110:2198 111:3311 112:2046 113:1777 114:1926 115:2112 116:1964 117:2712 118:2874 119:1981 120:1870 121:1345 122:2690 123:2139 124:1620 125:2829 126:64 128:1407 129:928 130:1230 131:1836 132:810 133:446 134:1517 135:314 136:1233 137:1089 138:2883 139:1542 140:1467 141:1558 142:1784 143:1590 144:1022 145:395 146:2079 147:2038 148:2516 149:2806 150:1099 151:1378 152:2101 153:498 154:7005 155:1500 156:2567 157:1835 158:1204 159:2430 160:3222 161:1757 162:3555 163:1751 164:1934 165:2136 166:1300 167:1853 168:4038 169:785 170:4930 171:1024 172:3890 173:3107 174:907 175:1271 176:3468 177:4820 178:3553 179:2249 180:2494 181:3909 182:3314 183:2053 184:2266 185:21120 186:5009 187:4266 188:4242 189:4095 190:9637 191:1527 192:11060 193:9261 194:7590 195:5405 196:3222 197:3097 198:5918 199:8172 200:7996 201:6246 202:10230 203:10356 204:4610 205:3628 206:4570 207:3577 208:4196 209:5130 210:4498 211:2569 212:4491 213:3631 214:1072 215:48 216:6630 217:3035 218:1320 219:395 220:2069 221:1048 222:708 223:2261 End of report