IPv4 R&E Routing Table Report 23:05 GMT Wed 28 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: 919310 Prefixes after maximum aggregation (per Origin AS): 349455 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451064 Number of IPv4 prefixes with a valid ROA: 408988 Number of IPv4 prefixes with an invalid ROA: 1678 Number of IPv4 prefixes with no ROA: 508644 Total ASes present in the Internet Routing Table: 74394 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63903 Origin ASes announcing only one prefix: 26293 Transit ASes present in the Internet Routing Table: 10491 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: 1063 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 42172 Number of 32-bit ASNs visible in the Routing Table: 34719 Prefixes from 32-bit ASNs in the Routing Table: 172225 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: 557 Number of addresses announced to Internet: 3053282560 Equivalent to 181 /8s, 253 /16s and 101 /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: 307964 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240108 Total APNIC prefixes after maximum aggregation: 68923 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 234090 Unique aggregates announced from the APNIC address blocks: 98602 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: 3961 APNIC Region transit ASes present in the Internet Routing Table: 1795 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: 8784 Number of APNIC addresses announced to Internet: 772822528 Equivalent to 46 /8s, 16 /16s and 86 /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: 269947 Total ARIN prefixes after maximum aggregation: 123042 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272508 Unique aggregates announced from the ARIN address blocks: 130661 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.28 ARIN Region origin ASes announcing only one prefix: 6996 ARIN Region transit ASes present in the Internet Routing Table: 1898 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: 4808 Number of ARIN addresses announced to Internet: 1278116352 Equivalent to 76 /8s, 46 /16s and 130 /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: 260114 Total RIPE prefixes after maximum aggregation: 122576 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256300 Unique aggregates announced from the RIPE address blocks: 159348 RIPE Region origin ASes present in the Internet Routing Table: 28325 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12032 RIPE Region transit ASes present in the Internet Routing Table: 3968 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: 11217 Number of RIPE addresses announced to Internet: 717395712 Equivalent to 42 /8s, 194 /16s and 151 /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: 118337 Total LACNIC prefixes after maximum aggregation: 28352 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117502 Unique aggregates announced from the LACNIC address blocks: 49580 LACNIC Region origin ASes present in the Internet Routing Table: 11009 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2308 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8803 Number of LACNIC addresses announced to Internet: 176946688 Equivalent to 10 /8s, 139 /16s and 254 /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: 29741 Total AfriNIC prefixes after maximum aggregation: 5842 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 38353 Unique aggregates announced from the AfriNIC address blocks: 12415 AfriNIC Region origin ASes present in the Internet Routing Table: 1756 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 621 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: 1107 Number of AfriNIC addresses announced to Internet: 107674880 Equivalent to 6 /8s, 106 /16s and 253 /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 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4231 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3681 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3563 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3372 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3045 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2434 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2309 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2187 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 8644 10885 3120 AMAZON-02, US 11492 4517 300 624 CABLEONE, US 7155 4169 288 86 VIASAT-SP-BACKBONE, US 22773 3540 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3128 1553 2347 AKAMAI-AS, US 749 3125 54969 2377 DNIC-AS-00749, US 396982 2668 3594 380 GOOGLE-CLOUD-PLATFORM, US 30036 2498 361 432 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2433 23992 1527 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 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4092 3398 159 AKAMAI-ASN1, NL 8551 3464 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2291 910 ROSTELECOM-AS, RU 9009 2660 247 1381 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 6849 1852 307 17 UKRTELNET, UA 58224 1831 946 535 TCI, IR 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 11484 3358 595 UNINET, MX 10620 3528 507 846 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 1126 370 22 Telefonica del Peru S.A.A., PE 11664 1098 177 436 Techtel LMDS Comunicaciones Interactiva 26615 1039 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 1616 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1312 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 550 1861 34 IAM-AS, MA 15399 523 54 46 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 462 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 11484 3358 595 UNINET, MX 9808 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8644 10885 3120 AMAZON-02, US 12479 7298 1706 141 UNI2-AS, ES 7545 5679 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4517 300 624 CABLEONE, US 18403 4231 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4169 288 86 VIASAT-SP-BACKBONE, US 20940 4092 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 9501 9464 CHINAMOBILE-CN China Mobile Communications Grou 12479 7298 7157 UNI2-AS, ES 16509 8644 5524 AMAZON-02, US 7545 5679 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4231 4206 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4083 VIASAT-SP-BACKBONE, US 20940 4092 3933 AKAMAI-ASN1, NL 11492 4517 3893 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 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 /15:2104 /16:13421 /17:8171 /18:13717 /19:24851 /20:43005 /21:51070 /22:109375 /23:98010 /24:553335 /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 5405 11484 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3427 4517 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3118 4169 VIASAT-SP-BACKBONE, US 8551 2933 3464 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2611 3540 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2087 3528 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) ---------------------------------------------- 1:2168 2:1339 3:222 4:5 5:4518 6:130 7:6 8:1511 9:1 11:172 12:1518 13:387 14:2309 15:301 16:190 17:372 18:493 20:260 21:4 22:188 23:6335 24:2589 25:6 27:2516 29:19 31:2499 32:78 34:22 35:111 36:1983 37:4689 38:4953 39:827 40:150 41:3956 42:2002 43:2311 44:304 45:16555 46:4357 47:377 49:1756 50:1855 51:585 52:1596 54:395 55:966 56:8 57:120 58:1817 59:1110 60:982 61:2504 62:2664 63:1902 64:5613 65:2319 66:4996 67:3054 68:1352 69:4118 70:1208 71:675 72:2987 74:2623 75:1564 76:612 77:2442 78:1814 79:2981 80:2117 81:1793 82:1500 83:1255 84:1519 85:3005 86:747 87:2008 88:1176 89:3763 90:616 91:7749 92:2042 93:2607 94:3590 95:4039 96:1309 97:337 98:1136 99:737 100:94 101:1309 102:2813 103:31587 104:4614 105:504 106:937 107:2573 108:1052 109:4202 110:2101 111:3119 112:2048 113:1731 114:1632 115:1974 116:1890 117:2541 118:2617 119:1973 120:1801 121:1078 122:2605 123:2136 124:1573 125:2473 128:1411 129:1043 130:1005 131:1960 132:804 133:422 134:1796 135:309 136:890 137:953 138:2559 139:1551 140:1246 141:1419 142:1453 143:1507 144:1098 145:341 146:1953 147:1548 148:2387 149:2198 150:871 151:1158 152:1949 153:493 154:4575 155:1394 156:1785 157:1310 158:1081 159:2259 160:2563 161:1551 162:3505 163:1545 164:1593 165:1877 166:1082 167:1721 168:3833 169:947 170:4607 171:897 172:3614 173:2955 174:1079 175:1180 176:3750 177:4514 178:3612 179:2165 180:2454 181:3468 182:3394 183:2040 184:2322 185:20386 186:4797 187:4029 188:4096 189:3743 190:9216 191:1388 192:10873 193:8913 194:7319 195:5128 196:3210 197:2374 198:5926 199:6093 200:7892 201:5950 202:10284 203:10248 204:4528 205:3683 206:4248 207:3376 208:4122 209:4888 210:4170 211:2436 212:4238 213:3604 214:1085 215:59 216:6670 217:2762 218:1276 219:412 220:1752 221:962 222:677 223:2153 End of report