IPv4 R&E Routing Table Report 23:05 GMT Thu 08 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: 917734 Prefixes after maximum aggregation (per Origin AS): 348993 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450189 Number of IPv4 prefixes with a valid ROA: 405947 Number of IPv4 prefixes with an invalid ROA: 1740 Number of IPv4 prefixes with no ROA: 510047 Total ASes present in the Internet Routing Table: 74328 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63860 Origin ASes announcing only one prefix: 26274 Transit ASes present in the Internet Routing Table: 10468 Transit-only ASes present in the Internet Routing Table: 437 Paths with bogon ASNs present in the IPv4 Routing Table: 42 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: 1024 Number of instances of unregistered ASNs: 1034 Number of 32-bit ASNs allocated by the RIRs: 42044 Number of 32-bit ASNs visible in the Routing Table: 34621 Prefixes from 32-bit ASNs in the Routing Table: 171636 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 570 Number of addresses announced to Internet: 3054821120 Equivalent to 182 /8s, 20 /16s and 223 /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: 307284 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240097 Total APNIC prefixes after maximum aggregation: 68852 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234133 Unique aggregates announced from the APNIC address blocks: 98436 APNIC Region origin ASes present in the Internet Routing Table: 13374 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3945 APNIC Region transit ASes present in the Internet Routing Table: 1790 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8750 Number of APNIC addresses announced to Internet: 772970240 Equivalent to 46 /8s, 18 /16s and 151 /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: 269132 Total ARIN prefixes after maximum aggregation: 122691 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 271927 Unique aggregates announced from the ARIN address blocks: 130552 ARIN Region origin ASes present in the Internet Routing Table: 19093 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 7012 ARIN Region transit ASes present in the Internet Routing Table: 1901 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: 4802 Number of ARIN addresses announced to Internet: 1279894272 Equivalent to 76 /8s, 73 /16s and 163 /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: 259728 Total RIPE prefixes after maximum aggregation: 122579 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255710 Unique aggregates announced from the RIPE address blocks: 158864 RIPE Region origin ASes present in the Internet Routing Table: 28302 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3962 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: 717532928 Equivalent to 42 /8s, 196 /16s and 175 /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: 118067 Total LACNIC prefixes after maximum aggregation: 28302 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117226 Unique aggregates announced from the LACNIC address blocks: 49440 LACNIC Region origin ASes present in the Internet Routing Table: 10992 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2655 LACNIC Region transit ASes present in the Internet Routing Table: 2294 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8787 Number of LACNIC addresses announced to Internet: 176960000 Equivalent to 10 /8s, 140 /16s and 50 /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: 29686 Total AfriNIC prefixes after maximum aggregation: 5836 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 38168 Unique aggregates announced from the AfriNIC address blocks: 12431 AfriNIC Region origin ASes present in the Internet Routing Table: 1747 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 1096 Number of AfriNIC addresses announced to Internet: 107070208 Equivalent to 6 /8s, 97 /16s and 195 /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 9496 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5725 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4181 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3681 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3564 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3021 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2415 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2187 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 8465 10831 3108 AMAZON-02, US 11492 4524 300 606 CABLEONE, US 7155 4097 284 72 VIASAT-SP-BACKBONE, US 22773 3566 3052 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3127 54969 2379 DNIC-AS-00749, US 16625 3074 1542 2321 AKAMAI-AS, US 396982 2661 3593 375 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2452 24003 1540 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 7298 1706 140 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4091 3398 160 AKAMAI-ASN1, NL 8551 3450 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2291 909 ROSTELECOM-AS, RU 9009 2665 247 1385 M247, RO 34984 2275 360 605 TELLCOM-AS, TR 6849 1974 307 17 UKRTELNET, UA 58224 1827 945 534 TCI, IR 61317 1679 112 1304 ASDETUK www.heficed.com, US 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 11412 3362 604 Uninet S.A. de C.V., MX 10620 3525 507 851 Telmex Colombia S.A., CO 13999 2349 351 622 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1325 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1296 763 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1132 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 1585 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1304 1517 280 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 551 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 480 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 11412 3362 604 Uninet S.A. de C.V., MX 9808 9496 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8465 10831 3108 AMAZON-02, US 12479 7298 1706 140 UNI2-AS, ES 7545 5725 784 692 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 7155 4097 284 72 VIASAT-SP-BACKBONE, US 20940 4091 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 9496 9459 CHINAMOBILE-CN China Mobile Communications Grou 12479 7298 7158 UNI2-AS, ES 16509 8465 5357 AMAZON-02, US 7545 5725 5033 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4181 4156 FPT-AS-AP FPT Telecom Company, VN 7155 4097 4025 VIASAT-SP-BACKBONE, US 20940 4091 3931 AKAMAI-ASN1, NL 11492 4524 3918 CABLEONE, US 7552 3681 3660 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 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 18798 UNALLOCATED 8.40.106.0/24 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 23.155.40.0/24 Origin: 20277 UNASSIGNED 23.155.40.0/24 Transit: 32097 WII, 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 /11:103 /12:301 /13:579 /14:1197 /15:2097 /16:13426 /17:8159 /18:13715 /19:24820 /20:42892 /21:50962 /22:109239 /23:97919 /24:552248 /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 6387 7298 UNI2-AS, ES 8151 5353 11412 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3082 4097 VIASAT-SP-BACKBONE, US 8551 2924 3450 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2637 3566 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2081 3525 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) ---------------------------------------------- 1:2145 2:1264 3:198 4:5 5:4535 6:131 7:6 8:1507 9:1 11:172 12:1533 13:387 14:2301 15:304 16:190 17:368 18:451 20:264 21:4 22:188 23:6295 24:2592 25:6 27:2503 29:19 31:2517 32:78 34:21 35:109 36:1975 37:4670 38:4788 39:846 40:151 41:3964 42:1983 43:2317 44:307 45:16429 46:4317 47:376 49:1747 50:1855 51:585 52:1585 54:393 55:867 56:8 57:118 58:1816 59:1052 60:985 61:2543 62:2668 63:1907 64:5661 65:2305 66:4981 67:3031 68:1343 69:4128 70:1201 71:672 72:2986 74:2607 75:1557 76:608 77:2434 78:1806 79:2972 80:2108 81:1783 82:1488 83:1261 84:1507 85:3004 86:760 87:2017 88:1166 89:3709 90:616 91:7754 92:2062 93:2598 94:3623 95:4051 96:1317 97:336 98:1127 99:743 100:86 101:1310 102:2768 103:31443 104:4587 105:504 106:951 107:2582 108:1037 109:4178 110:2100 111:3116 112:2033 113:1730 114:1662 115:1999 116:1891 117:2554 118:2614 119:1993 120:1796 121:1071 122:2581 123:2116 124:1574 125:2475 128:1402 129:1048 130:1000 131:1967 132:848 133:420 134:1824 135:307 136:876 137:949 138:2555 139:1543 140:1256 141:1436 142:1448 143:1521 144:1125 145:345 146:1941 147:1590 148:2404 149:2245 150:882 151:1153 152:1929 153:489 154:4497 155:1421 156:1812 157:1316 158:1080 159:2222 160:2548 161:1551 162:3510 163:1524 164:1616 165:1828 166:1095 167:1742 168:3834 169:946 170:4583 171:901 172:3578 173:2961 174:1068 175:1173 176:3695 177:4558 178:3595 179:2169 180:2541 181:3478 182:3393 183:2079 184:2346 185:20319 186:4788 187:3946 188:4094 189:3669 190:9202 191:1442 192:10893 193:8902 194:7302 195:5157 196:3216 197:2379 198:5887 199:6088 200:7892 201:5903 202:10308 203:10280 204:4547 205:3700 206:4197 207:3385 208:4093 209:4869 210:4169 211:2436 212:4217 213:3619 214:1089 215:59 216:6650 217:2728 218:1275 219:411 220:1757 221:964 222:683 223:2151 End of report