IPv4 R&E Routing Table Report 23:05 GMT Mon 26 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: 949574 Prefixes after maximum aggregation (per Origin AS): 363877 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467009 Number of IPv4 prefixes with a valid ROA: 486446 Number of IPv4 prefixes with an invalid ROA: 1324 Number of IPv4 prefixes with no ROA: 461804 Total ASes present in the Internet Routing Table: 75872 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 65164 Origin ASes announcing only one prefix: 26718 Transit ASes present in the Internet Routing Table: 10708 Transit-only ASes present in the Internet Routing Table: 511 Paths with bogon ASNs present in the IPv4 Routing Table: 18 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: 975 Number of instances of unregistered ASNs: 991 Number of 32-bit ASNs allocated by the RIRs: 45245 Number of 32-bit ASNs visible in the Routing Table: 36873 Prefixes from 32-bit ASNs in the Routing Table: 191037 Number of bogon 32-bit ASNs visible in the Routing Table: 59 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 610 Number of addresses announced to Internet: 3033645568 Equivalent to 180 /8s, 209 /16s and 194 /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: 312234 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250728 Total APNIC prefixes after maximum aggregation: 74570 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242678 Unique aggregates announced from the APNIC address blocks: 102054 APNIC Region origin ASes present in the Internet Routing Table: 14235 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4325 APNIC Region transit ASes present in the Internet Routing Table: 1892 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: 9705 Number of APNIC addresses announced to Internet: 761352704 Equivalent to 45 /8s, 97 /16s and 82 /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: 277529 Total ARIN prefixes after maximum aggregation: 125430 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281650 Unique aggregates announced from the ARIN address blocks: 134511 ARIN Region origin ASes present in the Internet Routing Table: 19099 ARIN Prefixes per ASN: 14.75 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1899 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: 4968 Number of ARIN addresses announced to Internet: 1266319360 Equivalent to 75 /8s, 122 /16s and 128 /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: 265785 Total RIPE prefixes after maximum aggregation: 128189 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261588 Unique aggregates announced from the RIPE address blocks: 166073 RIPE Region origin ASes present in the Internet Routing Table: 28637 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12082 RIPE Region transit ASes present in the Internet Routing Table: 3924 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: 11921 Number of RIPE addresses announced to Internet: 723715328 Equivalent to 43 /8s, 35 /16s and 5 /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: 122222 Total LACNIC prefixes after maximum aggregation: 28684 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120050 Unique aggregates announced from the LACNIC address blocks: 49612 LACNIC Region origin ASes present in the Internet Routing Table: 11139 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2458 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: 9045 Number of LACNIC addresses announced to Internet: 177367808 Equivalent to 10 /8s, 146 /16s and 107 /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: 32335 Total AfriNIC prefixes after maximum aggregation: 6369 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 42998 Unique aggregates announced from the AfriNIC address blocks: 14237 AfriNIC Region origin ASes present in the Internet Routing Table: 1872 AfriNIC Prefixes per ASN: 22.97 AfriNIC Region origin ASes announcing only one prefix: 680 AfriNIC Region transit ASes present in the Internet Routing Table: 356 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: 1234 Number of AfriNIC addresses announced to Internet: 104561152 Equivalent to 6 /8s, 59 /16s and 122 /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 4340 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3955 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 3249 1841 103 VNPT-AS-VN VNPT Corp, VN 24560 2789 826 481 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2201 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 10509 11775 3756 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3898 8783 912 COGENT-174, US 6327 3601 1320 79 SHAW, CA 22773 3421 3037 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54897 2505 DNIC-AS-00749, US 7018 2944 23674 1853 ATT-INTERNET4, US 16625 2910 1238 2097 AKAMAI-AS, US 396982 2789 3568 419 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 7698 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3750 3395 126 AKAMAI-ASN1, NL 9009 3663 312 1855 M247, RO 12389 2862 2291 857 ROSTELECOM-AS, RU 34984 2328 359 584 TELLCOM-AS, TR 8551 1784 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1761 126 1293 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1580 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 11819 3289 514 UNINET, MX 10620 3538 494 932 Telmex Colombia S.A., CO 13999 2516 352 677 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 1146 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 1051 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 1622 593 29 RAYA-AS, EG 24863 1610 389 16 LINKdotNET-AS, EG 36992 1410 1519 283 ETISALAT-MISR, EG 29571 1334 84 68 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 939 521 42 Vodafone-, EG 6713 558 1861 35 IAM-AS, MA 36914 533 82 3 KENET-AS, KE 37342 510 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 11819 3289 514 UNINET, MX 16509 10509 11775 3756 AMAZON-02, US 9808 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7698 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 4340 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3955 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 7698 7553 UNI2-AS, ES 16509 10509 6753 AMAZON-02, US 7545 5699 5041 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4340 4317 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4167 4078 VIASAT-SP-BACKBONE, US 7552 3955 3933 VIETEL-AS-AP Viettel Group, VN 20940 3750 3624 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 /16:13161 /17:8125 /18:13578 /19:24338 /20:43131 /21:51257 /22:110931 /23:99395 /24:581401 /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 6768 7698 UNI2-AS, ES 8151 5943 11819 UNINET, MX 11492 3539 4628 CABLEONE, US 6327 3397 3601 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2560 3421 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2167 3538 Telmex Colombia S.A., CO 30036 2157 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2125 10509 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 2:1498 3:444 4:6 5:4442 6:162 7:6 8:1512 9:1 11:172 12:1427 13:355 14:2360 15:327 16:259 17:362 18:865 20:405 21:4 22:188 23:6786 24:2689 25:2 27:2596 29:19 31:2660 32:44 34:68 35:138 36:2347 37:4507 38:8367 39:918 40:151 41:4097 42:2039 43:2400 44:331 45:17452 46:4639 47:299 49:2016 50:1854 51:579 52:1576 54:316 55:972 56:8 57:213 58:2160 59:1206 60:1063 61:2744 62:2780 63:1857 64:5461 65:2286 66:4638 67:3009 68:1340 69:4030 70:1146 71:563 72:2850 74:2635 75:1560 76:618 77:2514 78:1849 79:1780 80:2188 81:2003 82:1660 83:1367 84:1707 85:3171 86:959 87:2029 88:1242 89:4234 90:691 91:8184 92:2432 93:2712 94:3737 95:4201 96:1272 97:316 98:1053 99:734 100:73 101:1168 102:3558 103:32298 104:4490 105:699 106:984 107:2374 108:1163 109:4066 110:2131 111:3238 112:2051 113:1802 114:1846 115:2047 116:1954 117:2669 118:2868 119:1987 120:1801 121:1343 122:2688 123:2193 124:1603 125:2832 126:64 128:1353 129:933 130:1197 131:1858 132:813 133:428 134:1475 135:310 136:1138 137:1067 138:2865 139:1531 140:1449 141:1457 142:1668 143:1613 144:1018 145:364 146:2107 147:2023 148:2518 149:2800 150:1069 151:1358 152:2106 153:500 154:6545 155:1436 156:2391 157:1792 158:1185 159:2441 160:3019 161:1705 162:3550 163:1734 164:1682 165:2146 166:1279 167:1849 168:4042 169:803 170:4974 171:1031 172:3901 173:3076 174:901 175:1253 176:3450 177:4770 178:3635 179:2215 180:2457 181:3866 182:3336 183:2007 184:2260 185:20952 186:5001 187:4338 188:4088 189:4159 190:9497 191:1542 192:11030 193:9208 194:7494 195:5309 196:3211 197:2996 198:5910 199:8062 200:8045 201:6324 202:10171 203:10352 204:4544 205:3635 206:4482 207:3530 208:4168 209:5041 210:4495 211:2545 212:4389 213:3670 214:1062 215:49 216:6728 217:2937 218:1331 219:426 220:1812 221:1047 222:703 223:2231 End of report