IPv4 R&E Routing Table Report 23:05 GMT Sat 24 Aug, 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: 949688 Prefixes after maximum aggregation (per Origin AS): 363976 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467209 Number of IPv4 prefixes with a valid ROA: 494049 Number of IPv4 prefixes with an invalid ROA: 1390 Number of IPv4 prefixes with no ROA: 454249 Total ASes present in the Internet Routing Table: 75879 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 65158 Origin ASes announcing only one prefix: 26739 Transit ASes present in the Internet Routing Table: 10721 Transit-only ASes present in the Internet Routing Table: 506 Paths with bogon ASNs present in the IPv4 Routing Table: 17 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 47 Prefixes from unregistered ASNs in the Routing Table: 978 Number of instances of unregistered ASNs: 991 Number of 32-bit ASNs allocated by the RIRs: 45237 Number of 32-bit ASNs visible in the Routing Table: 36867 Prefixes from 32-bit ASNs in the Routing Table: 191104 Number of bogon 32-bit ASNs visible in the Routing Table: 53 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 609 Number of addresses announced to Internet: 3033466368 Equivalent to 180 /8s, 207 /16s and 6 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 312451 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250842 Total APNIC prefixes after maximum aggregation: 74562 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242801 Unique aggregates announced from the APNIC address blocks: 102159 APNIC Region origin ASes present in the Internet Routing Table: 14225 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4334 APNIC Region transit ASes present in the Internet Routing Table: 1893 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9699 Number of APNIC addresses announced to Internet: 761335296 Equivalent to 45 /8s, 97 /16s and 14 /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: 277430 Total ARIN prefixes after maximum aggregation: 125378 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281513 Unique aggregates announced from the ARIN address blocks: 134507 ARIN Region origin ASes present in the Internet Routing Table: 19101 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1902 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: 4967 Number of ARIN addresses announced to Internet: 1266348800 Equivalent to 75 /8s, 122 /16s and 243 /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: 265884 Total RIPE prefixes after maximum aggregation: 128213 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261717 Unique aggregates announced from the RIPE address blocks: 166108 RIPE Region origin ASes present in the Internet Routing Table: 28665 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12106 RIPE Region transit ASes present in the Internet Routing Table: 3938 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11926 Number of RIPE addresses announced to Internet: 723712256 Equivalent to 43 /8s, 34 /16s and 249 /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: 122385 Total LACNIC prefixes after maximum aggregation: 28788 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 120236 Unique aggregates announced from the LACNIC address blocks: 49667 LACNIC Region origin ASes present in the Internet Routing Table: 11134 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2455 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9042 Number of LACNIC addresses announced to Internet: 177259008 Equivalent to 10 /8s, 144 /16s and 194 /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: 32169 Total AfriNIC prefixes after maximum aggregation: 6401 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 42812 Unique aggregates announced from the AfriNIC address blocks: 14247 AfriNIC Region origin ASes present in the Internet Routing Table: 1869 AfriNIC Prefixes per ASN: 22.91 AfriNIC Region origin ASes announcing only one prefix: 677 AfriNIC Region transit ASes present in the Internet Routing Table: 358 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1233 Number of AfriNIC addresses announced to Internet: 104482048 Equivalent to 6 /8s, 58 /16s and 69 /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 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5699 841 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4313 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3957 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3787 508 259 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3247 1841 102 VNPT-AS-VN VNPT Corp, VN 24560 2787 825 480 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2202 434 195 TATACOMM-AS TATA Communications formerly 45090 2189 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 10505 11775 3735 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3884 8782 903 COGENT-174, US 6327 3601 1320 79 SHAW, CA 22773 3422 3037 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54897 2505 DNIC-AS-00749, US 7018 2958 23675 1861 ATT-INTERNET4, US 16625 2904 1234 2097 AKAMAI-AS, US 396982 2788 3567 418 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 7704 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3751 3396 129 AKAMAI-ASN1, NL 9009 3665 313 1858 M247, RO 12389 2862 2291 857 ROSTELECOM-AS, RU 34984 2329 359 583 TELLCOM-AS, TR 8551 1785 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1762 126 1294 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1578 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 11837 3291 512 UNINET, MX 10620 3536 493 930 Telmex Colombia S.A., CO 13999 2518 352 675 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 777 205 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 19037 1068 278 31 AMX Argentina S.A., AR 22884 1068 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1050 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 1610 389 16 LINKdotNET-AS, EG 24835 1533 577 26 RAYA-AS, EG 36992 1409 1519 283 ETISALAT-MISR, EG 29571 1334 84 68 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 834 520 43 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 536 82 3 KENET-AS, KE 37342 511 32 1 MOVITEL, MZ 15399 509 56 57 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 11837 3291 512 UNINET, MX 16509 10505 11775 3735 AMAZON-02, US 9808 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7704 1708 145 UNI2-AS, ES 7545 5699 841 658 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4313 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3957 1331 22 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 9899 9824 CHINAMOBILE-CN China Mobile Communications Grou 12479 7704 7559 UNI2-AS, ES 16509 10505 6770 AMAZON-02, US 7545 5699 5041 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4313 4290 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3957 3935 VIETEL-AS-AP Viettel Group, VN 20940 3751 3622 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 23.130.240.0/24 Origin: 14315 1GSERVERS, US 23.130.240.0/24 Transit: 174 COGENT-174, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, 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 /10:37 /11:93 /12:294 /13:573 /14:1165 /15:2055 /16:13156 /17:8136 /18:13577 /19:24326 /20:43101 /21:51231 /22:110876 /23:99413 /24:581615 /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 6773 7704 UNI2-AS, ES 8151 5950 11837 UNINET, MX 11492 3539 4628 CABLEONE, US 6327 3397 3601 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2561 3422 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2165 3536 Telmex Colombia S.A., CO 30036 2155 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2130 10505 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2289 2:1492 3:439 4:6 5:4449 6:161 7:6 8:1513 9:1 11:172 12:1425 13:354 14:2358 15:327 16:259 17:362 18:864 20:404 21:4 22:188 23:6777 24:2689 25:2 27:2573 29:19 31:2656 32:44 34:68 35:138 36:2347 37:4514 38:8340 39:919 40:151 41:4104 42:2027 43:2399 44:332 45:17467 46:4645 47:299 49:2019 50:1850 51:579 52:1575 54:316 55:945 56:8 57:213 58:2161 59:1206 60:1062 61:2743 62:2775 63:1854 64:5463 65:2288 66:4636 67:3011 68:1343 69:4033 70:1150 71:561 72:2851 74:2636 75:1560 76:616 77:2511 78:1849 79:1781 80:2203 81:2026 82:1655 83:1367 84:1703 85:3170 86:963 87:2029 88:1248 89:4248 90:688 91:8201 92:2433 93:2710 94:3742 95:4205 96:1273 97:316 98:1051 99:733 100:73 101:1166 102:3542 103:32273 104:4484 105:701 106:984 107:2371 108:1165 109:4074 110:2135 111:3277 112:2051 113:1801 114:1848 115:2097 116:1956 117:2676 118:2861 119:1984 120:1798 121:1343 122:2688 123:2244 124:1604 125:2832 126:64 128:1359 129:933 130:1190 131:1865 132:812 133:428 134:1466 135:310 136:1134 137:1064 138:2856 139:1533 140:1448 141:1462 142:1654 143:1605 144:1020 145:363 146:2103 147:2023 148:2532 149:2797 150:1062 151:1360 152:2106 153:501 154:6548 155:1429 156:2393 157:1791 158:1185 159:2442 160:3005 161:1706 162:3548 163:1737 164:1681 165:2143 166:1271 167:1849 168:4050 169:805 170:4954 171:1031 172:3902 173:3076 174:901 175:1256 176:3459 177:4739 178:3635 179:2217 180:2457 181:3850 182:3335 183:1997 184:2261 185:20935 186:5063 187:4384 188:4096 189:4151 190:9528 191:1538 192:11044 193:9220 194:7492 195:5316 196:3204 197:2997 198:5912 199:8055 200:8057 201:6342 202:10210 203:10370 204:4546 205:3652 206:4486 207:3529 208:4164 209:5045 210:4493 211:2544 212:4410 213:3668 214:1063 215:48 216:6710 217:2929 218:1329 219:426 220:1806 221:1047 222:701 223:2232 End of report