IPv4 R&E Routing Table Report 23:05 GMT Sun 09 Jun, 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: 944151 Prefixes after maximum aggregation (per Origin AS): 361333 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464729 Number of IPv4 prefixes with a valid ROA: 478748 Number of IPv4 prefixes with an invalid ROA: 1192 Number of IPv4 prefixes with no ROA: 464211 Total ASes present in the Internet Routing Table: 75705 Prefixes per ASN: 12.47 Origin-only ASes present in the Internet Routing Table: 65150 Origin ASes announcing only one prefix: 26704 Transit ASes present in the Internet Routing Table: 10555 Transit-only ASes present in the Internet Routing Table: 511 Paths with bogon ASNs present in the IPv4 Routing Table: 14 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: 978 Number of instances of unregistered ASNs: 980 Number of 32-bit ASNs allocated by the RIRs: 44722 Number of 32-bit ASNs visible in the Routing Table: 36491 Prefixes from 32-bit ASNs in the Routing Table: 186437 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 578 Number of addresses announced to Internet: 3023666944 Equivalent to 180 /8s, 57 /16s and 127 /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: 311031 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249036 Total APNIC prefixes after maximum aggregation: 73393 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241173 Unique aggregates announced from the APNIC address blocks: 101041 APNIC Region origin ASes present in the Internet Routing Table: 14100 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4297 APNIC Region transit ASes present in the Internet Routing Table: 1874 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9557 Number of APNIC addresses announced to Internet: 761027584 Equivalent to 45 /8s, 92 /16s and 92 /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: 275837 Total ARIN prefixes after maximum aggregation: 125050 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280211 Unique aggregates announced from the ARIN address blocks: 134556 ARIN Region origin ASes present in the Internet Routing Table: 19113 ARIN Prefixes per ASN: 14.66 ARIN Region origin ASes announcing only one prefix: 6972 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: 4916 Number of ARIN addresses announced to Internet: 1266827264 Equivalent to 75 /8s, 130 /16s and 64 /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: 265102 Total RIPE prefixes after maximum aggregation: 127280 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260059 Unique aggregates announced from the RIPE address blocks: 164771 RIPE Region origin ASes present in the Internet Routing Table: 28647 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12128 RIPE Region transit ASes present in the Internet Routing Table: 3904 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: 11813 Number of RIPE addresses announced to Internet: 713231104 Equivalent to 42 /8s, 131 /16s and 11 /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: 121582 Total LACNIC prefixes after maximum aggregation: 28740 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119738 Unique aggregates announced from the LACNIC address blocks: 50263 LACNIC Region origin ASes present in the Internet Routing Table: 11104 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2646 LACNIC Region transit ASes present in the Internet Routing Table: 2382 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8996 Number of LACNIC addresses announced to Internet: 176692480 Equivalent to 10 /8s, 136 /16s and 29 /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: 31616 Total AfriNIC prefixes after maximum aggregation: 6228 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 42392 Unique aggregates announced from the AfriNIC address blocks: 13629 AfriNIC Region origin ASes present in the Internet Routing Table: 1844 AfriNIC Prefixes per ASN: 22.99 AfriNIC Region origin ASes announcing only one prefix: 661 AfriNIC Region transit ASes present in the Internet Routing Table: 351 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: 1209 Number of AfriNIC addresses announced to Internet: 105576448 Equivalent to 6 /8s, 74 /16s and 248 /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 9829 8742 65 CHINAMOBILE-CN China Mobile Communicati 7545 5639 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4214 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3934 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3779 510 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3277 1857 103 VNPT-AS-VN VNPT Corp, VN 24560 2795 862 398 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2197 434 199 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9998 11392 3595 AMAZON-02, US 11492 4626 307 585 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3548 8782 872 COGENT-174, US 22773 3474 3040 218 ASN-CXA-ALL-CCI-22773-RDC, US 749 3251 54901 2503 DNIC-AS-00749, US 16625 3028 1296 2191 AKAMAI-AS, US 7018 2885 23668 1817 ATT-INTERNET4, US 396982 2760 3633 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 7730 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3789 3396 129 AKAMAI-ASN1, NL 9009 3539 302 1766 M247, RO 12389 2916 2294 870 ROSTELECOM-AS, RU 34984 2343 361 577 TELLCOM-AS, TR 8551 1764 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1654 121 1192 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1475 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 12174 3322 506 UNINET, MX 10620 3514 492 936 Telmex Colombia S.A., CO 13999 2547 355 668 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1346 2311 255 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1245 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1127 315 480 Axtel, S.A.B. de C.V., MX 6147 1087 369 22 Telefonica del Peru S.A.A., PE 26615 1075 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 1614 389 20 LINKdotNET-AS, EG 24835 1557 593 29 RAYA-AS, EG 36992 1376 1520 281 ETISALAT-MISR, EG 36903 1248 554 95 MT-MPLS, MA 29571 1216 77 75 ORANGE-COTE-IVOIRE, CI 36935 933 521 43 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 531 56 56 WANANCHI-, KE 36914 479 82 3 KENET-AS, KE 37342 470 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 12174 3322 506 UNINET, MX 16509 9998 11392 3595 AMAZON-02, US 9808 9829 8742 65 CHINAMOBILE-CN China Mobile Communicati 12479 7730 1708 145 UNI2-AS, ES 7545 5639 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4626 307 585 CABLEONE, US 18403 4214 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3934 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 9829 9764 CHINAMOBILE-CN China Mobile Communications Grou 12479 7730 7585 UNI2-AS, ES 16509 9998 6403 AMAZON-02, US 7545 5639 4968 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4214 4191 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4626 4041 CABLEONE, US 7552 3934 3913 VIETEL-AS-AP Viettel Group, VN 20940 3789 3660 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-DDOS-M 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 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 BTN-ASN, 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 41.57.112.0/24 Origin: 3741 IS, ZA 41.57.112.0/24 Transit: 2914 NTT-LTD-2914, 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 /9:14 /10:36 /11:93 /12:297 /13:569 /14:1165 /15:2050 /16:13201 /17:8131 /18:13565 /19:24328 /20:43059 /21:51092 /22:110674 /23:99071 /24:576782 /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 6820 7730 UNI2-AS, ES 8151 6219 12174 UNINET, MX 11492 3535 4626 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2580 3474 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2143 3514 Telmex Colombia S.A., CO 16509 2120 9998 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2286 2:1522 3:348 4:6 5:4563 6:159 7:6 8:1506 9:1 11:172 12:1453 13:359 14:2371 15:319 16:217 17:367 18:763 20:383 21:4 22:188 23:6806 24:2714 25:2 27:2544 29:19 31:2581 32:45 34:65 35:134 36:2307 37:4457 38:7589 39:897 40:133 41:4118 42:2040 43:2349 44:323 45:17089 46:4486 47:307 49:1959 50:1912 51:577 52:1580 54:313 55:995 56:8 57:182 58:2073 59:1198 60:1033 61:2627 62:2720 63:1883 64:5481 65:2317 66:4622 67:2991 68:1313 69:4096 70:1182 71:582 72:2879 74:2586 75:1550 76:622 77:2484 78:1861 79:1775 80:2195 81:2014 82:1618 83:1357 84:1667 85:3172 86:911 87:2019 88:1217 89:4120 90:677 91:8144 92:2326 93:2704 94:3729 95:4190 96:1277 97:315 98:1037 99:738 100:72 101:1167 102:3475 103:32434 104:4781 105:669 106:959 107:2453 108:1140 109:4028 110:2139 111:3252 112:2058 113:1751 114:1807 115:2063 116:1874 117:2653 118:2788 119:1993 120:1773 121:1302 122:2672 123:2213 124:1612 125:2860 126:32 128:1413 129:911 130:1156 131:1839 132:796 133:412 134:1736 135:322 136:1112 137:1044 138:2803 139:1529 140:1376 141:1362 142:1658 143:1560 144:1006 145:367 146:2057 147:1960 148:2514 149:2756 150:1034 151:1351 152:2212 153:525 154:6847 155:1490 156:2264 157:1835 158:1149 159:2315 160:2689 161:1701 162:3560 163:1703 164:1653 165:2156 166:1262 167:1801 168:3986 169:794 170:4896 171:1024 172:3855 173:3039 174:892 175:1232 176:3454 177:4786 178:3682 179:2207 180:2387 181:3743 182:3349 183:1981 184:2260 185:20802 186:4971 187:4518 188:4078 189:4222 190:9434 191:1498 192:10982 193:9131 194:7506 195:5317 196:3195 197:2635 198:5922 199:7900 200:8009 201:6318 202:10172 203:10152 204:4567 205:3638 206:4421 207:3470 208:4153 209:5012 210:4399 211:2528 212:4323 213:3485 214:1061 215:49 216:6786 217:3008 218:1295 219:414 220:1818 221:1036 222:695 223:2213 End of report