IPv4 R&E Routing Table Report 23:05 GMT Sun 02 Jul, 2023 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: 919584 Prefixes after maximum aggregation (per Origin AS): 349503 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451326 Number of IPv4 prefixes with a valid ROA: 410299 Number of IPv4 prefixes with an invalid ROA: 1691 Number of IPv4 prefixes with no ROA: 507594 Total ASes present in the Internet Routing Table: 74390 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63916 Origin ASes announcing only one prefix: 26286 Transit ASes present in the Internet Routing Table: 10474 Transit-only ASes present in the Internet Routing Table: 444 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1045 Number of instances of unregistered ASNs: 1049 Number of 32-bit ASNs allocated by the RIRs: 42206 Number of 32-bit ASNs visible in the Routing Table: 34725 Prefixes from 32-bit ASNs in the Routing Table: 172538 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 547 Number of addresses announced to Internet: 3053217792 Equivalent to 181 /8s, 252 /16s and 104 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308053 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240077 Total APNIC prefixes after maximum aggregation: 68899 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233996 Unique aggregates announced from the APNIC address blocks: 98572 APNIC Region origin ASes present in the Internet Routing Table: 13396 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 3962 APNIC Region transit ASes present in the Internet Routing Table: 1786 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8782 Number of APNIC addresses announced to Internet: 772935424 Equivalent to 46 /8s, 18 /16s and 15 /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: 270152 Total ARIN prefixes after maximum aggregation: 123054 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272567 Unique aggregates announced from the ARIN address blocks: 130681 ARIN Region origin ASes present in the Internet Routing Table: 19069 ARIN Prefixes per ASN: 14.29 ARIN Region origin ASes announcing only one prefix: 6992 ARIN Region transit ASes present in the Internet Routing Table: 1894 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4804 Number of ARIN addresses announced to Internet: 1277939200 Equivalent to 76 /8s, 43 /16s and 206 /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, 393216-401308 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: 260032 Total RIPE prefixes after maximum aggregation: 122622 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256405 Unique aggregates announced from the RIPE address blocks: 159507 RIPE Region origin ASes present in the Internet Routing Table: 28340 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3965 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11232 Number of RIPE addresses announced to Internet: 717315328 Equivalent to 42 /8s, 193 /16s and 93 /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 196608-213403 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: 118526 Total LACNIC prefixes after maximum aggregation: 28359 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117682 Unique aggregates announced from the LACNIC address blocks: 49561 LACNIC Region origin ASes present in the Internet Routing Table: 11007 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2303 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8800 Number of LACNIC addresses announced to Internet: 177015552 Equivalent to 10 /8s, 141 /16s and 11 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 29752 Total AfriNIC prefixes after maximum aggregation: 5858 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38387 Unique aggregates announced from the AfriNIC address blocks: 12556 AfriNIC Region origin ASes present in the Internet Routing Table: 1756 AfriNIC Prefixes per ASN: 21.86 AfriNIC Region origin ASes announcing only one prefix: 615 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1107 Number of AfriNIC addresses announced to Internet: 107688192 Equivalent to 6 /8s, 107 /16s and 49 /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 9504 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5681 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4214 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3673 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3562 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3373 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3043 498 248 BBIL-AP BHARTI Airtel Ltd., IN 24560 2434 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 199 TATACOMM-AS TATA Communications formerl 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 8697 10890 3134 AMAZON-02, US 11492 4519 300 614 CABLEONE, US 7155 4169 288 86 VIASAT-SP-BACKBONE, US 22773 3539 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3124 54969 2376 DNIC-AS-00749, US 16625 3121 1550 2347 AKAMAI-AS, US 367 2733 3744 1309 DNIC-ASBLK-00306-00371, US 396982 2669 3594 380 GOOGLE-CLOUD-PLATFORM, US 30036 2498 361 432 MEDIACOM-ENTERPRISE-BUSINESS, 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 7293 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4082 3398 159 AKAMAI-ASN1, NL 8551 3463 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2291 910 ROSTELECOM-AS, RU 9009 2662 247 1382 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1832 946 535 TCI, IR 6849 1800 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11504 3372 599 UNINET, MX 10620 3530 507 840 Telmex Colombia S.A., CO 13999 2379 355 627 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1317 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1304 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1129 370 22 Telefonica del Peru S.A.A., PE 11664 1099 177 435 Techtel LMDS Comunicaciones Interactiva 26615 1038 2500 47 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 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 46 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 474 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 11504 3372 599 UNINET, MX 9808 9504 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8697 10890 3134 AMAZON-02, US 12479 7293 1706 141 UNI2-AS, ES 7545 5681 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 614 CABLEONE, US 18403 4214 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4169 288 86 VIASAT-SP-BACKBONE, US 20940 4082 3398 159 AKAMAI-ASN1, NL 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 9504 9467 CHINAMOBILE-CN China Mobile Communications Grou 12479 7293 7152 UNI2-AS, ES 16509 8697 5563 AMAZON-02, US 7545 5681 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4214 4189 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4083 VIASAT-SP-BACKBONE, US 20940 4082 3923 AKAMAI-ASN1, NL 11492 4519 3905 CABLEONE, US 7552 3673 3652 VIETEL-AS-AP Viettel Group, VN 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /10:38 /11:103 /12:299 /13:575 /14:1197 /15:2105 /16:13418 /17:8181 /18:13708 /19:24869 /20:43019 /21:51059 /22:109411 /23:98129 /24:553434 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6381 7293 UNI2-AS, ES 8151 5428 11504 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3428 4519 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3118 4169 VIASAT-SP-BACKBONE, US 8551 2932 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2610 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2089 3530 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2162 2:1340 3:226 4:5 5:4526 6:129 7:6 8:1515 9:1 11:172 12:1518 13:387 14:2309 15:301 16:194 17:373 18:499 20:260 21:4 22:188 23:6343 24:2590 25:6 27:2510 29:19 31:2514 32:78 34:23 35:111 36:1982 37:4669 38:4982 39:827 40:151 41:3938 42:1996 43:2321 44:303 45:16582 46:4353 47:376 49:1756 50:1855 51:586 52:1597 54:395 55:974 56:8 57:119 58:1815 59:1108 60:982 61:2505 62:2664 63:1902 64:5597 65:2319 66:4994 67:3061 68:1354 69:4111 70:1208 71:676 72:2982 74:2623 75:1565 76:610 77:2441 78:1815 79:2990 80:2115 81:1787 82:1509 83:1257 84:1532 85:2962 86:750 87:2004 88:1174 89:3784 90:614 91:7754 92:2036 93:2607 94:3566 95:4050 96:1311 97:341 98:1136 99:736 100:94 101:1310 102:2813 103:31610 104:4558 105:504 106:885 107:2574 108:1072 109:4220 110:2100 111:3130 112:2049 113:1733 114:1632 115:1973 116:1892 117:2576 118:2611 119:1975 120:1807 121:1076 122:2606 123:2127 124:1576 125:2476 128:1409 129:1044 130:1007 131:1961 132:838 133:424 134:1795 135:309 136:891 137:945 138:2531 139:1551 140:1246 141:1426 142:1452 143:1497 144:1097 145:341 146:1954 147:1584 148:2399 149:2202 150:870 151:1160 152:1956 153:494 154:4637 155:1397 156:1796 157:1313 158:1079 159:2258 160:2567 161:1513 162:3506 163:1545 164:1597 165:1872 166:1077 167:1721 168:3834 169:949 170:4608 171:897 172:3633 173:2961 174:1080 175:1184 176:3744 177:4521 178:3611 179:2164 180:2452 181:3496 182:3396 183:1998 184:2322 185:20388 186:4836 187:4054 188:4095 189:3696 190:9226 191:1379 192:10888 193:8923 194:7322 195:5124 196:3212 197:2381 198:5909 199:6092 200:7904 201:5941 202:10254 203:10105 204:4549 205:3694 206:4266 207:3378 208:4113 209:4894 210:4170 211:2436 212:4265 213:3621 214:1084 215:59 216:6657 217:2763 218:1272 219:412 220:1756 221:962 222:683 223:2155 End of report