IPv4 R&E Routing Table Report 23:05 GMT Mon 26 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: 919350 Prefixes after maximum aggregation (per Origin AS): 349601 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450914 Number of IPv4 prefixes with a valid ROA: 408696 Number of IPv4 prefixes with an invalid ROA: 1680 Number of IPv4 prefixes with no ROA: 508974 Total ASes present in the Internet Routing Table: 74380 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63886 Origin ASes announcing only one prefix: 26270 Transit ASes present in the Internet Routing Table: 10494 Transit-only ASes present in the Internet Routing Table: 445 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: 1011 Number of instances of unregistered ASNs: 1015 Number of 32-bit ASNs allocated by the RIRs: 42160 Number of 32-bit ASNs visible in the Routing Table: 34707 Prefixes from 32-bit ASNs in the Routing Table: 172274 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: 558 Number of addresses announced to Internet: 3053694464 Equivalent to 182 /8s, 3 /16s and 174 /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: 307955 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240266 Total APNIC prefixes after maximum aggregation: 68863 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234298 Unique aggregates announced from the APNIC address blocks: 98529 APNIC Region origin ASes present in the Internet Routing Table: 13392 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3959 APNIC Region transit ASes present in the Internet Routing Table: 1788 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8779 Number of APNIC addresses announced to Internet: 772949760 Equivalent to 46 /8s, 18 /16s and 71 /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: 269806 Total ARIN prefixes after maximum aggregation: 123119 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272340 Unique aggregates announced from the ARIN address blocks: 130598 ARIN Region origin ASes present in the Internet Routing Table: 19076 ARIN Prefixes per ASN: 14.28 ARIN Region origin ASes announcing only one prefix: 7001 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: 4807 Number of ARIN addresses announced to Internet: 1278570496 Equivalent to 76 /8s, 53 /16s and 112 /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: 260064 Total RIPE prefixes after maximum aggregation: 122675 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256248 Unique aggregates announced from the RIPE address blocks: 159343 RIPE Region origin ASes present in the Internet Routing Table: 28328 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3967 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: 11214 Number of RIPE addresses announced to Internet: 717324800 Equivalent to 42 /8s, 193 /16s and 130 /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: 118488 Total LACNIC prefixes after maximum aggregation: 28379 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117601 Unique aggregates announced from the LACNIC address blocks: 49576 LACNIC Region origin ASes present in the Internet Routing Table: 11008 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2314 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: 8806 Number of LACNIC addresses announced to Internet: 176940544 Equivalent to 10 /8s, 139 /16s and 230 /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: 29715 Total AfriNIC prefixes after maximum aggregation: 5846 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38305 Unique aggregates announced from the AfriNIC address blocks: 12411 AfriNIC Region origin ASes present in the Internet Routing Table: 1748 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1101 Number of AfriNIC addresses announced to Internet: 107582720 Equivalent to 6 /8s, 105 /16s and 149 /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 9500 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4222 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3680 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3563 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3043 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 2189 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 8573 10876 3145 AMAZON-02, US 11492 4521 300 605 CABLEONE, US 7155 4152 288 86 VIASAT-SP-BACKBONE, US 22773 3544 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3136 1562 2356 AKAMAI-AS, US 749 3126 54969 2378 DNIC-AS-00749, US 396982 2667 3594 379 GOOGLE-CLOUD-PLATFORM, US 30036 2495 360 448 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2453 24006 1558 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 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4094 3398 159 AKAMAI-ASN1, NL 8551 3463 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2908 2291 910 ROSTELECOM-AS, RU 9009 2662 247 1382 M247, RO 34984 2306 361 611 TELLCOM-AS, TR 6849 1925 307 17 UKRTELNET, UA 58224 1828 946 539 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 11469 3358 595 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2374 354 626 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1312 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 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1105 181 440 Techtel LMDS Comunicaciones Interactiva 26615 1037 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 1613 393 19 LINKdotNET-AS, EG 24835 1501 533 27 RAYA-AS, EG 36992 1301 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1037 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 492 73 5 EthioNet-AS, ET 37342 476 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 11469 3358 595 UNINET, MX 9808 9500 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8573 10876 3145 AMAZON-02, US 12479 7299 1706 141 UNI2-AS, ES 7545 5677 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4521 300 605 CABLEONE, US 18403 4222 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4152 288 86 VIASAT-SP-BACKBONE, US 20940 4094 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 9500 9463 CHINAMOBILE-CN China Mobile Communications Grou 12479 7299 7158 UNI2-AS, ES 16509 8573 5428 AMAZON-02, US 7545 5677 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4222 4197 FPT-AS-AP FPT Telecom Company, VN 7155 4152 4066 VIASAT-SP-BACKBONE, US 20940 4094 3935 AKAMAI-ASN1, NL 11492 4521 3916 CABLEONE, US 7552 3680 3659 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 /12:300 /13:578 /14:1198 /15:2100 /16:13410 /17:8168 /18:13717 /19:24859 /20:42947 /21:51060 /22:109364 /23:98063 /24:553406 /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 7299 UNI2-AS, ES 8151 5391 11469 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3430 4521 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3110 4152 VIASAT-SP-BACKBONE, US 8551 2932 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2615 3544 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2152 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2086 3527 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) ---------------------------------------------- 1:2167 2:1333 3:219 4:5 5:4524 6:131 7:6 8:1506 9:1 11:172 12:1520 13:386 14:2306 15:301 16:190 17:372 18:468 20:262 21:4 22:188 23:6320 24:2589 25:6 27:2527 29:19 31:2504 32:78 34:22 35:111 36:1979 37:4667 38:4915 39:851 40:151 41:3949 42:2000 43:2302 44:305 45:16542 46:4353 47:377 49:1755 50:1861 51:585 52:1593 54:394 55:976 56:8 57:120 58:1818 59:1111 60:980 61:2549 62:2668 63:1905 64:5608 65:2312 66:4990 67:3055 68:1354 69:4117 70:1209 71:674 72:2988 74:2622 75:1564 76:610 77:2442 78:1811 79:2988 80:2121 81:1800 82:1499 83:1257 84:1516 85:3005 86:746 87:2011 88:1178 89:3755 90:617 91:7758 92:2042 93:2604 94:3599 95:4038 96:1314 97:337 98:1135 99:737 100:93 101:1308 102:2785 103:31540 104:4605 105:504 106:936 107:2574 108:1046 109:4194 110:2101 111:3121 112:2050 113:1728 114:1620 115:1973 116:1894 117:2542 118:2602 119:1973 120:1795 121:1076 122:2604 123:2122 124:1573 125:2475 128:1408 129:1045 130:1005 131:1969 132:843 133:422 134:1795 135:308 136:890 137:948 138:2573 139:1550 140:1246 141:1435 142:1442 143:1498 144:1125 145:341 146:1950 147:1579 148:2398 149:2212 150:873 151:1157 152:1945 153:491 154:4574 155:1412 156:1803 157:1312 158:1082 159:2269 160:2565 161:1551 162:3505 163:1545 164:1590 165:1853 166:1091 167:1721 168:3824 169:946 170:4588 171:899 172:3607 173:2953 174:1079 175:1178 176:3747 177:4573 178:3614 179:2148 180:2474 181:3466 182:3393 183:2058 184:2352 185:20382 186:4825 187:4013 188:4100 189:3690 190:9219 191:1420 192:10887 193:8914 194:7320 195:5147 196:3206 197:2389 198:5902 199:6073 200:7882 201:5937 202:10309 203:10267 204:4538 205:3679 206:4245 207:3378 208:4118 209:4888 210:4171 211:2438 212:4238 213:3599 214:1089 215:59 216:6676 217:2751 218:1275 219:412 220:1753 221:962 222:684 223:2153 End of report