IPv4 R&E Routing Table Report 23:05 GMT Tue 06 Jun, 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: 916492 Prefixes after maximum aggregation (per Origin AS): 348951 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 449872 Number of IPv4 prefixes with a valid ROA: 405393 Number of IPv4 prefixes with an invalid ROA: 1714 Number of IPv4 prefixes with no ROA: 509385 Total ASes present in the Internet Routing Table: 74302 Prefixes per ASN: 12.33 Origin-only ASes present in the Internet Routing Table: 63818 Origin ASes announcing only one prefix: 26254 Transit ASes present in the Internet Routing Table: 10484 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 39 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: 1067 Number of instances of unregistered ASNs: 1074 Number of 32-bit ASNs allocated by the RIRs: 42024 Number of 32-bit ASNs visible in the Routing Table: 34600 Prefixes from 32-bit ASNs in the Routing Table: 171165 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 572 Number of addresses announced to Internet: 3054643456 Equivalent to 182 /8s, 18 /16s and 41 /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: 306695 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239712 Total APNIC prefixes after maximum aggregation: 68755 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233744 Unique aggregates announced from the APNIC address blocks: 98380 APNIC Region origin ASes present in the Internet Routing Table: 13353 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3933 APNIC Region transit ASes present in the Internet Routing Table: 1788 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 67 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8727 Number of APNIC addresses announced to Internet: 772911360 Equivalent to 46 /8s, 17 /16s and 177 /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: 269036 Total ARIN prefixes after maximum aggregation: 122698 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 271818 Unique aggregates announced from the ARIN address blocks: 130535 ARIN Region origin ASes present in the Internet Routing Table: 19083 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 7000 ARIN Region transit ASes present in the Internet Routing Table: 1900 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4801 Number of ARIN addresses announced to Internet: 1280001536 Equivalent to 76 /8s, 75 /16s and 70 /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: 259158 Total RIPE prefixes after maximum aggregation: 122555 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 255145 Unique aggregates announced from the RIPE address blocks: 158607 RIPE Region origin ASes present in the Internet Routing Table: 28297 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12053 RIPE Region transit ASes present in the Internet Routing Table: 3987 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11186 Number of RIPE addresses announced to Internet: 717354496 Equivalent to 42 /8s, 193 /16s and 246 /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: 118021 Total LACNIC prefixes after maximum aggregation: 28315 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117193 Unique aggregates announced from the LACNIC address blocks: 49477 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2284 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8794 Number of LACNIC addresses announced to Internet: 176955904 Equivalent to 10 /8s, 140 /16s and 34 /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: 29498 Total AfriNIC prefixes after maximum aggregation: 5854 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 38020 Unique aggregates announced from the AfriNIC address blocks: 12405 AfriNIC Region origin ASes present in the Internet Routing Table: 1745 AfriNIC Prefixes per ASN: 21.79 AfriNIC Region origin ASes announcing only one prefix: 608 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1092 Number of AfriNIC addresses announced to Internet: 107026176 Equivalent to 6 /8s, 97 /16s and 23 /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 9481 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5721 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4181 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3682 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3020 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2414 837 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2297 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 198 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 8448 10813 3096 AMAZON-02, US 11492 4524 300 606 CABLEONE, US 7155 4088 283 63 VIASAT-SP-BACKBONE, US 22773 3562 3052 271 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3128 54970 2380 DNIC-AS-00749, US 16625 3075 1544 2323 AKAMAI-AS, US 396982 2661 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2459 24003 1546 ATT-INTERNET4, 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 7299 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4094 3398 160 AKAMAI-ASN1, NL 8551 3451 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2291 909 ROSTELECOM-AS, RU 9009 2665 247 1387 M247, RO 34984 2277 360 606 TELLCOM-AS, TR 6849 1957 307 17 UKRTELNET, UA 61317 1659 111 1292 ASDETUK www.heficed.com, US 58224 1641 875 675 TCI, IR 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 11395 3358 611 Uninet S.A. de C.V., MX 10620 3520 507 860 Telmex Colombia S.A., CO 13999 2347 354 623 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1330 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1297 343 511 Axtel, S.A.B. de C.V., MX 3816 1295 762 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1025 2498 45 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 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 433 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 11395 3358 611 Uninet S.A. de C.V., MX 9808 9481 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8448 10813 3096 AMAZON-02, US 12479 7299 1707 141 UNI2-AS, ES 7545 5721 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 606 CABLEONE, US 18403 4181 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4094 3398 160 AKAMAI-ASN1, NL 7155 4088 283 63 VIASAT-SP-BACKBONE, US 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 9481 9444 CHINAMOBILE-CN China Mobile Communications Grou 12479 7299 7158 UNI2-AS, ES 16509 8448 5352 AMAZON-02, US 7545 5721 5030 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4181 4156 FPT-AS-AP FPT Telecom Company, VN 7155 4088 4025 VIASAT-SP-BACKBONE, US 20940 4094 3934 AKAMAI-ASN1, NL 11492 4524 3918 CABLEONE, US 7552 3682 3661 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 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 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 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 /12:301 /13:579 /14:1196 /15:2092 /16:13421 /17:8139 /18:13707 /19:24770 /20:42867 /21:50919 /22:109055 /23:97723 /24:551543 /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 6386 7299 UNI2-AS, ES 8151 5334 11395 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3074 4088 VIASAT-SP-BACKBONE, US 8551 2924 3451 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2630 3562 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2076 3520 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) ---------------------------------------------- 1:2142 2:1234 3:198 4:5 5:4493 6:133 7:6 8:1509 9:1 11:172 12:1534 13:384 14:2300 15:304 16:191 17:368 18:450 20:264 21:4 22:188 23:6290 24:2594 25:6 27:2487 29:19 31:2510 32:78 34:21 35:109 36:1974 37:4645 38:4768 39:846 40:151 41:3944 42:1978 43:2338 44:308 45:16428 46:4291 47:376 49:1747 50:1864 51:585 52:1584 54:393 55:865 56:8 57:117 58:1786 59:1052 60:985 61:2538 62:2683 63:1910 64:5658 65:2311 66:4987 67:3010 68:1340 69:4131 70:1203 71:671 72:2989 74:2599 75:1558 76:603 77:2423 78:1804 79:2970 80:2128 81:1769 82:1490 83:1257 84:1522 85:2997 86:761 87:2015 88:1169 89:3650 90:617 91:7753 92:2064 93:2614 94:3613 95:4048 96:1311 97:336 98:1124 99:743 100:84 101:1314 102:2762 103:31393 104:4596 105:504 106:951 107:2585 108:1037 109:4160 110:2088 111:3122 112:1982 113:1729 114:1656 115:1998 116:1882 117:2544 118:2621 119:2001 120:1793 121:1064 122:2574 123:2124 124:1573 125:2459 128:1421 129:1040 130:995 131:1965 132:850 133:420 134:1844 135:304 136:879 137:949 138:2545 139:1552 140:1258 141:1439 142:1450 143:1529 144:1141 145:346 146:1933 147:1590 148:2405 149:2246 150:881 151:1143 152:1929 153:489 154:4493 155:1446 156:1811 157:1224 158:1077 159:2222 160:2551 161:1547 162:3515 163:1476 164:1609 165:1826 166:1098 167:1732 168:3830 169:946 170:4590 171:899 172:3577 173:2961 174:1058 175:1170 176:3684 177:4555 178:3575 179:2176 180:2558 181:3484 182:3394 183:2082 184:2336 185:20243 186:4791 187:3963 188:4097 189:3656 190:9182 191:1455 192:10905 193:8883 194:7304 195:5145 196:3201 197:2330 198:5885 199:6093 200:7902 201:5905 202:10337 203:10266 204:4557 205:3679 206:4209 207:3390 208:4086 209:4876 210:4149 211:2441 212:4208 213:3617 214:1115 215:59 216:6651 217:2726 218:1243 219:411 220:1758 221:955 222:683 223:2150 End of report