IPv4 R&E Routing Table Report 23:05 GMT Thu 10 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: 954523 Prefixes after maximum aggregation (per Origin AS): 365682 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467698 Number of IPv4 prefixes with a valid ROA: 503718 Number of IPv4 prefixes with an invalid ROA: 1077 Number of IPv4 prefixes with no ROA: 449728 Total ASes present in the Internet Routing Table: 76088 Prefixes per ASN: 12.54 Origin-only ASes present in the Internet Routing Table: 65359 Origin ASes announcing only one prefix: 26831 Transit ASes present in the Internet Routing Table: 10729 Transit-only ASes present in the Internet Routing Table: 510 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 54 Max AS path prepend of ASN (198039) 50 Prefixes from unregistered ASNs in the Routing Table: 996 Number of instances of unregistered ASNs: 1007 Number of 32-bit ASNs allocated by the RIRs: 45516 Number of 32-bit ASNs visible in the Routing Table: 37135 Prefixes from 32-bit ASNs in the Routing Table: 192195 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 531 Number of addresses announced to Internet: 3029794560 Equivalent to 180 /8s, 150 /16s and 255 /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: 313410 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251808 Total APNIC prefixes after maximum aggregation: 74855 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 243947 Unique aggregates announced from the APNIC address blocks: 100880 APNIC Region origin ASes present in the Internet Routing Table: 14305 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4359 APNIC Region transit ASes present in the Internet Routing Table: 1891 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: 9788 Number of APNIC addresses announced to Internet: 758837248 Equivalent to 45 /8s, 58 /16s and 240 /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: 279827 Total ARIN prefixes after maximum aggregation: 125739 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 282972 Unique aggregates announced from the ARIN address blocks: 135482 ARIN Region origin ASes present in the Internet Routing Table: 19115 ARIN Prefixes per ASN: 14.80 ARIN Region origin ASes announcing only one prefix: 6980 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: 5015 Number of ARIN addresses announced to Internet: 1266647808 Equivalent to 75 /8s, 127 /16s and 131 /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: 267152 Total RIPE prefixes after maximum aggregation: 129175 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263839 Unique aggregates announced from the RIPE address blocks: 168036 RIPE Region origin ASes present in the Internet Routing Table: 28735 RIPE Prefixes per ASN: 9.18 RIPE Region origin ASes announcing only one prefix: 12132 RIPE Region transit ASes present in the Internet Routing Table: 3923 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: 12025 Number of RIPE addresses announced to Internet: 722290944 Equivalent to 43 /8s, 13 /16s and 73 /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: 121857 Total LACNIC prefixes after maximum aggregation: 28754 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 119559 Unique aggregates announced from the LACNIC address blocks: 48554 LACNIC Region origin ASes present in the Internet Routing Table: 11157 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2476 Average LACNIC Region AS path length visible: 5.4 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: 177524224 Equivalent to 10 /8s, 148 /16s and 206 /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: 32883 Total AfriNIC prefixes after maximum aggregation: 6518 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 43675 Unique aggregates announced from the AfriNIC address blocks: 14301 AfriNIC Region origin ASes present in the Internet Routing Table: 1883 AfriNIC Prefixes per ASN: 23.19 AfriNIC Region origin ASes announcing only one prefix: 681 AfriNIC Region transit ASes present in the Internet Routing Table: 363 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1247 Number of AfriNIC addresses announced to Internet: 104209920 Equivalent to 6 /8s, 54 /16s and 30 /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 10055 8750 70 CHINAMOBILE-CN China Mobile Communication 7545 5961 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4485 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3981 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3836 510 267 BBIL-AP BHARTI Airtel Ltd., IN 7713 3639 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2775 828 539 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 10861 11903 3792 AMAZON-02, US 11492 4660 310 547 CABLEONE, US 174 4481 8766 875 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3603 1320 79 SHAW, CA 22773 3416 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3233 54766 2485 DNIC-AS-00749, US 7018 3194 23677 1975 ATT-INTERNET4, US 396982 2857 3652 421 GOOGLE-CLOUD-PLATFORM, US 16625 2801 1227 2106 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 7651 1708 141 UNI2-AS, ES 39891 4668 282 60 ALJAWWALSTC-AS, SA 20940 3806 3395 125 AKAMAI-ASN1, NL 9009 3641 312 1854 M247, RO 12389 2928 2295 882 ROSTELECOM-AS, RU 34984 2329 356 578 TELLCOM-AS, TR 212238 1774 130 1316 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 8551 1473 368 35 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 11529 3241 501 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2548 534 363 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 1318 778 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1150 374 163 Axtel, S.A.B. de C.V., MX 6147 1106 369 22 Telefonica del Peru S.A.A., PE 22884 1060 97 375 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1046 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 1636 593 29 RAYA-AS, EG 24863 1615 389 16 LINKdotNET-AS, EG 36992 1414 1519 283 ETISALAT-MISR, EG 29571 1343 85 61 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 992 523 47 Vodafone-, EG 37069 557 1100 11 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 522 82 3 KENET-AS, KE 15399 512 57 58 WANANCHI-, KE 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 11529 3241 501 UNINET, MX 16509 10861 11903 3792 AMAZON-02, US 9808 10055 8750 70 CHINAMOBILE-CN China Mobile Communication 12479 7651 1708 141 UNI2-AS, ES 7545 5961 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 282 60 ALJAWWALSTC-AS, SA 11492 4660 310 547 CABLEONE, US 18403 4485 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4481 8766 875 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 10055 9985 CHINAMOBILE-CN China Mobile Communications Grou 12479 7651 7510 UNI2-AS, ES 16509 10861 7069 AMAZON-02, US 7545 5961 5303 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 4608 ALJAWWALSTC-AS, SA 18403 4485 4462 FPT-AS-AP FPT Telecom Company, VN 11492 4660 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3981 3956 VIETEL-AS-AP Viettel Group, VN 20940 3806 3681 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 23.139.40.0/23 Origin: 945 8964, TW 23.139.40.0/23 Transit: 7018 ATT-INTERNET4, US 23.139.40.0/24 Origin: 202736 WISDOM, SG 23.139.40.0/24 Transit: 984 OWS, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /12:296 /13:577 /14:1170 /15:2056 /16:13171 /17:8171 /18:13603 /19:24244 /20:43493 /21:51554 /22:111373 /23:99133 /24:585523 /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 6711 7651 UNI2-AS, ES 8151 5716 11529 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 2548 3416 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2207 10861 AMAZON-02, US 10620 2175 3546 Telmex Colombia S.A., CO 30036 2173 2512 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2273 2:1521 3:500 4:8 5:4467 6:167 7:6 8:1506 9:1 11:172 12:1426 13:369 14:2428 15:330 16:264 17:355 18:892 20:410 21:4 22:188 23:6857 24:2648 25:2 27:2650 29:19 31:2801 32:44 34:67 35:140 36:2354 37:4539 38:8669 39:918 40:154 41:4118 42:2143 43:2405 44:336 45:17515 46:4647 47:299 49:1999 50:1872 51:581 52:1580 54:317 55:955 56:8 57:220 58:2172 59:1199 60:1132 61:2764 62:2780 63:1852 64:5391 65:2264 66:4637 67:2983 68:1333 69:4008 70:1132 71:565 72:2853 74:2776 75:1626 76:631 77:2576 78:1863 79:1650 80:2190 81:2021 82:1736 83:1373 84:1741 85:3095 86:1004 87:2150 88:1258 89:4334 90:665 91:8218 92:2598 93:2801 94:3786 95:4296 96:1261 97:316 98:1073 99:739 100:74 101:1161 102:3416 103:32212 104:4450 105:703 106:985 107:2386 108:1152 109:4000 110:2183 111:3318 112:2044 113:1770 114:1913 115:2099 116:1958 117:2714 118:2872 119:1985 120:1869 121:1349 122:2687 123:2138 124:1620 125:2830 126:64 128:1395 129:928 130:1229 131:1827 132:806 133:444 134:1513 135:313 136:1213 137:1075 138:2855 139:1524 140:1454 141:1437 142:1765 143:1568 144:1024 145:386 146:2080 147:2041 148:2535 149:2814 150:1065 151:1381 152:2103 153:498 154:7011 155:1469 156:2574 157:1822 158:1198 159:2435 160:3171 161:1714 162:3566 163:1753 164:1928 165:2136 166:1290 167:1843 168:4043 169:770 170:4903 171:1028 172:3881 173:3100 174:903 175:1266 176:3465 177:4783 178:3581 179:2198 180:2463 181:3857 182:3319 183:2053 184:2260 185:21096 186:5030 187:4201 188:4231 189:4055 190:9628 191:1520 192:11025 193:9242 194:7579 195:5396 196:3231 197:3068 198:5892 199:8149 200:8008 201:6323 202:10205 203:10365 204:4546 205:3634 206:4576 207:3573 208:4186 209:5117 210:4498 211:2565 212:4483 213:3637 214:1064 215:48 216:6582 217:2993 218:1322 219:394 220:2063 221:1047 222:717 223:2240 End of report