IPv4 R&E Routing Table Report 23:05 GMT Mon 24 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: 920534 Prefixes after maximum aggregation (per Origin AS): 350155 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452339 Number of IPv4 prefixes with a valid ROA: 413768 Number of IPv4 prefixes with an invalid ROA: 1561 Number of IPv4 prefixes with no ROA: 505205 Total ASes present in the Internet Routing Table: 74471 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63973 Origin ASes announcing only one prefix: 26299 Transit ASes present in the Internet Routing Table: 10498 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 34 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: 1130 Number of instances of unregistered ASNs: 1132 Number of 32-bit ASNs allocated by the RIRs: 42285 Number of 32-bit ASNs visible in the Routing Table: 34808 Prefixes from 32-bit ASNs in the Routing Table: 173280 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 619 Number of addresses announced to Internet: 3052487936 Equivalent to 181 /8s, 241 /16s and 69 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 307987 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240323 Total APNIC prefixes after maximum aggregation: 69209 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234161 Unique aggregates announced from the APNIC address blocks: 98656 APNIC Region origin ASes present in the Internet Routing Table: 13447 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3974 APNIC Region transit ASes present in the Internet Routing Table: 1797 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8829 Number of APNIC addresses announced to Internet: 772981248 Equivalent to 46 /8s, 18 /16s and 194 /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: 270662 Total ARIN prefixes after maximum aggregation: 123260 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272807 Unique aggregates announced from the ARIN address blocks: 130754 ARIN Region origin ASes present in the Internet Routing Table: 19057 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1884 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: 4803 Number of ARIN addresses announced to Internet: 1276556032 Equivalent to 76 /8s, 22 /16s and 179 /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: 260181 Total RIPE prefixes after maximum aggregation: 122647 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256819 Unique aggregates announced from the RIPE address blocks: 160003 RIPE Region origin ASes present in the Internet Routing Table: 28352 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12048 RIPE Region transit ASes present in the Internet Routing Table: 3960 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11255 Number of RIPE addresses announced to Internet: 716858112 Equivalent to 42 /8s, 186 /16s and 99 /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: 118361 Total LACNIC prefixes after maximum aggregation: 28412 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117480 Unique aggregates announced from the LACNIC address blocks: 49655 LACNIC Region origin ASes present in the Internet Routing Table: 11002 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2690 LACNIC Region transit ASes present in the Internet Routing Table: 2332 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8811 Number of LACNIC addresses announced to Internet: 178514944 Equivalent to 10 /8s, 163 /16s and 236 /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: 29877 Total AfriNIC prefixes after maximum aggregation: 5885 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38648 Unique aggregates announced from the AfriNIC address blocks: 12763 AfriNIC Region origin ASes present in the Internet Routing Table: 1762 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 615 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 1110 Number of AfriNIC addresses announced to Internet: 107232768 Equivalent to 6 /8s, 100 /16s and 62 /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 9516 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5685 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4244 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3706 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3049 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2452 834 448 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2182 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 8770 10932 3126 AMAZON-02, US 11492 4524 300 619 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3536 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3155 1569 2364 AKAMAI-AS, US 749 3140 54962 2392 DNIC-AS-00749, US 367 2761 3741 1323 DNIC-ASBLK-00306-00371, US 396982 2677 3595 383 GOOGLE-CLOUD-PLATFORM, US 30036 2513 361 352 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 7300 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4081 3398 160 AKAMAI-ASN1, NL 8551 3458 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2672 247 1396 M247, RO 34984 2311 361 605 TELLCOM-AS, TR 58224 1816 944 534 TCI, IR 6849 1789 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 11562 3375 600 UNINET, MX 10620 3529 507 836 Telmex Colombia S.A., CO 13999 2410 361 631 Mega Cable, S.A. de C.V., MX 11830 2052 369 64 Instituto Costarricense de Electricidad 28573 1319 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 344 511 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1106 177 434 Techtel LMDS Comunicaciones Interactiva 26615 1035 2500 48 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 1606 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1335 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 507 32 1 MOVITEL, MZ 24757 485 73 5 EthioNet-AS, ET 15399 447 54 47 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 11562 3375 600 UNINET, MX 9808 9516 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8770 10932 3126 AMAZON-02, US 12479 7300 1706 141 UNI2-AS, ES 7545 5685 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 619 CABLEONE, US 18403 4244 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4081 3398 160 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 9516 9479 CHINAMOBILE-CN China Mobile Communications Grou 12479 7300 7159 UNI2-AS, ES 16509 8770 5644 AMAZON-02, US 7545 5685 4995 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4244 4219 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4081 3921 AKAMAI-ASN1, NL 11492 4524 3905 CABLEONE, US 7552 3706 3685 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 7015 COMCAST-7015, 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 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 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 /11:102 /12:297 /13:576 /14:1196 /15:2102 /16:13431 /17:8194 /18:13725 /19:24870 /20:43267 /21:51052 /22:109504 /23:98310 /24:553831 /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 6388 7300 UNI2-AS, ES 8151 5524 11562 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2927 3458 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3536 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2168 2513 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2088 3529 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) ---------------------------------------------- 1:2178 2:1341 3:245 4:5 5:4505 6:130 7:6 8:1515 9:1 11:172 12:1521 13:370 14:2309 15:301 16:194 17:373 18:536 20:270 21:4 22:188 23:6366 24:2614 25:4 27:2534 29:19 31:2535 32:78 34:26 35:111 36:1976 37:4692 38:5071 39:830 40:152 41:3880 42:2012 43:2295 44:306 45:16643 46:4356 47:378 49:1758 50:1849 51:584 52:1588 54:394 55:969 56:8 57:121 58:1819 59:1105 60:986 61:2510 62:2654 63:1914 64:5551 65:2309 66:4898 67:3038 68:1323 69:4082 70:1204 71:678 72:2977 74:2634 75:1581 76:611 77:2441 78:1830 79:2970 80:2122 81:1799 82:1482 83:1269 84:1522 85:2969 86:766 87:1996 88:1181 89:3835 90:619 91:7796 92:2047 93:2596 94:3582 95:4037 96:1304 97:331 98:1150 99:734 100:95 101:1312 102:2855 103:31744 104:4563 105:562 106:877 107:2555 108:1085 109:4238 110:2105 111:3129 112:2056 113:1743 114:1636 115:1977 116:1893 117:2559 118:2627 119:1973 120:1788 121:1077 122:2556 123:2135 124:1572 125:2484 128:1374 129:1032 130:1002 131:1960 132:847 133:422 134:1793 135:307 136:888 137:965 138:2506 139:1565 140:1256 141:1308 142:1463 143:1492 144:983 145:339 146:1945 147:1605 148:2397 149:2159 150:881 151:1165 152:1949 153:502 154:4687 155:1371 156:1869 157:1319 158:1100 159:2262 160:2589 161:1548 162:3509 163:1551 164:1656 165:1866 166:1056 167:1732 168:3854 169:930 170:4616 171:893 172:3648 173:2966 174:1044 175:1177 176:3724 177:4498 178:3607 179:2154 180:2471 181:3499 182:3401 183:1989 184:2308 185:20482 186:4750 187:4103 188:4103 189:3687 190:9221 191:1379 192:10907 193:8923 194:7315 195:5158 196:3199 197:2469 198:5928 199:6074 200:7956 201:5933 202:10279 203:10072 204:4549 205:3655 206:4288 207:3380 208:4105 209:4895 210:4182 211:2451 212:4256 213:3577 214:1091 215:60 216:6629 217:2745 218:1261 219:414 220:1794 221:960 222:682 223:2159 End of report