IPv4 R&E Routing Table Report 23:05 GMT Fri 07 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: 944181 Prefixes after maximum aggregation (per Origin AS): 361210 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464571 Number of IPv4 prefixes with a valid ROA: 479155 Number of IPv4 prefixes with an invalid ROA: 1174 Number of IPv4 prefixes with no ROA: 463852 Total ASes present in the Internet Routing Table: 75667 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65130 Origin ASes announcing only one prefix: 26689 Transit ASes present in the Internet Routing Table: 10537 Transit-only ASes present in the Internet Routing Table: 510 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: 998 Number of instances of unregistered ASNs: 1000 Number of 32-bit ASNs allocated by the RIRs: 44691 Number of 32-bit ASNs visible in the Routing Table: 36470 Prefixes from 32-bit ASNs in the Routing Table: 186383 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: 601 Number of addresses announced to Internet: 3023681280 Equivalent to 180 /8s, 57 /16s and 183 /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: 311057 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249017 Total APNIC prefixes after maximum aggregation: 73372 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241136 Unique aggregates announced from the APNIC address blocks: 101038 APNIC Region origin ASes present in the Internet Routing Table: 14079 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4292 APNIC Region transit ASes present in the Internet Routing Table: 1873 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: 9541 Number of APNIC addresses announced to Internet: 761011968 Equivalent to 45 /8s, 92 /16s and 31 /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: 275843 Total ARIN prefixes after maximum aggregation: 125020 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280232 Unique aggregates announced from the ARIN address blocks: 134600 ARIN Region origin ASes present in the Internet Routing Table: 19115 ARIN Prefixes per ASN: 14.66 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1895 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: 1266875648 Equivalent to 75 /8s, 130 /16s and 253 /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: 265125 Total RIPE prefixes after maximum aggregation: 127224 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260036 Unique aggregates announced from the RIPE address blocks: 164695 RIPE Region origin ASes present in the Internet Routing Table: 28631 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12119 RIPE Region transit ASes present in the Internet Routing Table: 3890 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: 713224960 Equivalent to 42 /8s, 130 /16s and 243 /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: 121656 Total LACNIC prefixes after maximum aggregation: 28730 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119822 Unique aggregates announced from the LACNIC address blocks: 50142 LACNIC Region origin ASes present in the Internet Routing Table: 11101 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2379 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: 8992 Number of LACNIC addresses announced to Internet: 176684032 Equivalent to 10 /8s, 135 /16s and 252 /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: 31542 Total AfriNIC prefixes after maximum aggregation: 6207 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 42354 Unique aggregates announced from the AfriNIC address blocks: 13608 AfriNIC Region origin ASes present in the Internet Routing Table: 1839 AfriNIC Prefixes per ASN: 23.03 AfriNIC Region origin ASes announcing only one prefix: 657 AfriNIC Region transit ASes present in the Internet Routing Table: 348 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: 1208 Number of AfriNIC addresses announced to Internet: 105566208 Equivalent to 6 /8s, 74 /16s and 208 /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 4226 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 2198 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 10012 11397 3551 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 3473 3024 217 ASN-CXA-ALL-CCI-22773-RDC, US 749 3250 54901 2502 DNIC-AS-00749, US 16625 3029 1297 2192 AKAMAI-AS, US 7018 2885 23668 1817 ATT-INTERNET4, US 396982 2759 3633 408 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 7733 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3792 3396 129 AKAMAI-ASN1, NL 9009 3539 302 1766 M247, RO 12389 2916 2294 870 ROSTELECOM-AS, RU 34984 2342 361 576 TELLCOM-AS, TR 8551 1764 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1657 121 1195 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1520 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 2545 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 1130 315 480 Axtel, S.A.B. de C.V., MX 6147 1089 369 22 Telefonica del Peru S.A.A., PE 26615 1073 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 1587 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 480 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 10012 11397 3551 AMAZON-02, US 9808 9829 8742 65 CHINAMOBILE-CN China Mobile Communicati 12479 7733 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 4226 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 7733 7588 UNI2-AS, ES 16509 10012 6461 AMAZON-02, US 7545 5639 4968 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4226 4203 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 3792 3663 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 23.180.120.0/24 Origin: 215274 UHQ, US 23.180.120.0/24 Transit: 212027 PEBBLEHOST, GB 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /14:1166 /15:2050 /16:13197 /17:8127 /18:13598 /19:24339 /20:43055 /21:51103 /22:110674 /23:99052 /24:576787 /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 6823 7733 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 3473 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2143 3514 Telmex Colombia S.A., CO 16509 2120 10012 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2280 2:1520 3:349 4:6 5:4548 6:162 7:6 8:1507 9:1 11:172 12:1455 13:362 14:2371 15:319 16:217 17:367 18:763 20:383 21:4 22:188 23:6814 24:2712 25:2 27:2537 29:19 31:2580 32:45 34:65 35:135 36:2308 37:4453 38:7603 39:897 40:133 41:4089 42:2046 43:2338 44:322 45:17096 46:4493 47:307 49:1959 50:1912 51:577 52:1583 54:313 55:997 56:8 57:182 58:2075 59:1195 60:1033 61:2626 62:2718 63:1881 64:5483 65:2317 66:4632 67:2990 68:1312 69:4095 70:1182 71:583 72:2882 74:2588 75:1550 76:622 77:2481 78:1862 79:1779 80:2195 81:2015 82:1619 83:1356 84:1669 85:3165 86:902 87:2024 88:1217 89:4121 90:678 91:8136 92:2319 93:2704 94:3728 95:4196 96:1277 97:315 98:1037 99:737 100:72 101:1167 102:3467 103:32399 104:4770 105:677 106:959 107:2454 108:1143 109:4020 110:2139 111:3252 112:2057 113:1773 114:1805 115:2067 116:1875 117:2663 118:2791 119:1980 120:1773 121:1299 122:2682 123:2213 124:1612 125:2861 126:32 128:1408 129:913 130:1155 131:1855 132:801 133:412 134:1737 135:322 136:1112 137:1042 138:2801 139:1529 140:1375 141:1359 142:1657 143:1562 144:1004 145:367 146:2059 147:1961 148:2514 149:2744 150:1035 151:1351 152:2212 153:525 154:6844 155:1491 156:2264 157:1827 158:1152 159:2307 160:2684 161:1700 162:3564 163:1703 164:1655 165:2155 166:1263 167:1788 168:3980 169:794 170:4898 171:1024 172:3855 173:3038 174:892 175:1232 176:3457 177:4817 178:3682 179:2198 180:2390 181:3742 182:3350 183:1983 184:2260 185:20805 186:4968 187:4534 188:4070 189:4259 190:9429 191:1597 192:10992 193:9124 194:7502 195:5314 196:3198 197:2621 198:5923 199:7882 200:7979 201:6266 202:10193 203:10146 204:4570 205:3627 206:4429 207:3489 208:4152 209:5012 210:4390 211:2527 212:4322 213:3486 214:1062 215:49 216:6788 217:3008 218:1294 219:414 220:1818 221:1036 222:695 223:2213 End of report