IPv4 R&E Routing Table Report 23:05 GMT Tue 11 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: 919202 Prefixes after maximum aggregation (per Origin AS): 349509 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451420 Number of IPv4 prefixes with a valid ROA: 411119 Number of IPv4 prefixes with an invalid ROA: 1673 Number of IPv4 prefixes with no ROA: 506410 Total ASes present in the Internet Routing Table: 74395 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63910 Origin ASes announcing only one prefix: 26294 Transit ASes present in the Internet Routing Table: 10485 Transit-only ASes present in the Internet Routing Table: 445 Paths with bogon ASNs present in the IPv4 Routing Table: 74 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: 1021 Number of instances of unregistered ASNs: 1026 Number of 32-bit ASNs allocated by the RIRs: 42276 Number of 32-bit ASNs visible in the Routing Table: 34731 Prefixes from 32-bit ASNs in the Routing Table: 172681 Number of bogon 32-bit ASNs visible in the Routing Table: 114 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 534 Number of addresses announced to Internet: 3052530432 Equivalent to 181 /8s, 241 /16s and 235 /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: 307837 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239984 Total APNIC prefixes after maximum aggregation: 69000 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233777 Unique aggregates announced from the APNIC address blocks: 98548 APNIC Region origin ASes present in the Internet Routing Table: 13405 APNIC Prefixes per ASN: 17.44 APNIC Region origin ASes announcing only one prefix: 3966 APNIC Region transit ASes present in the Internet Routing Table: 1785 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: 8793 Number of APNIC addresses announced to Internet: 772970752 Equivalent to 46 /8s, 18 /16s and 153 /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: 269648 Total ARIN prefixes after maximum aggregation: 122975 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272143 Unique aggregates announced from the ARIN address blocks: 130654 ARIN Region origin ASes present in the Internet Routing Table: 19066 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 6985 ARIN Region transit ASes present in the Internet Routing Table: 1905 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: 4800 Number of ARIN addresses announced to Internet: 1276682240 Equivalent to 76 /8s, 24 /16s and 160 /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: 260095 Total RIPE prefixes after maximum aggregation: 122594 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256464 Unique aggregates announced from the RIPE address blocks: 159548 RIPE Region origin ASes present in the Internet Routing Table: 28337 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12047 RIPE Region transit ASes present in the Internet Routing Table: 3949 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: 11221 Number of RIPE addresses announced to Internet: 716634368 Equivalent to 42 /8s, 182 /16s and 249 /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: 118706 Total LACNIC prefixes after maximum aggregation: 28373 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117873 Unique aggregates announced from the LACNIC address blocks: 49585 LACNIC Region origin ASes present in the Internet Routing Table: 11015 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2323 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8807 Number of LACNIC addresses announced to Internet: 178474496 Equivalent to 10 /8s, 163 /16s and 78 /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: 29748 Total AfriNIC prefixes after maximum aggregation: 5874 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38411 Unique aggregates announced from the AfriNIC address blocks: 12643 AfriNIC Region origin ASes present in the Internet Routing Table: 1758 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 617 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: 1110 Number of AfriNIC addresses announced to Internet: 107452160 Equivalent to 6 /8s, 103 /16s and 151 /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 9515 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5683 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4246 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3692 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3562 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1872 93 VNPT-AS-VN VNPT Corp, VN 9498 3043 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2442 836 444 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2186 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 8702 10904 3126 AMAZON-02, US 11492 4519 300 623 CABLEONE, US 7155 4170 288 86 VIASAT-SP-BACKBONE, US 22773 3539 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 749 3142 54962 2394 DNIC-AS-00749, US 16625 3139 1554 2356 AKAMAI-AS, US 367 2735 3747 1306 DNIC-ASBLK-00306-00371, US 396982 2675 3594 384 GOOGLE-CLOUD-PLATFORM, US 30036 2503 361 404 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 7306 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4086 3398 160 AKAMAI-ASN1, NL 8551 3465 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2293 911 ROSTELECOM-AS, RU 9009 2652 246 1378 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1824 946 535 TCI, IR 6849 1800 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 11575 3392 592 UNINET, MX 10620 3531 507 841 Telmex Colombia S.A., CO 13999 2405 360 632 Mega Cable, S.A. de C.V., MX 11830 2226 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1104 177 438 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 1627 393 19 LINKdotNET-AS, EG 24835 1547 533 27 RAYA-AS, EG 36992 1352 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 486 73 5 EthioNet-AS, ET 37342 461 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 11575 3392 592 UNINET, MX 9808 9515 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8702 10904 3126 AMAZON-02, US 12479 7306 1706 141 UNI2-AS, ES 7545 5683 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 623 CABLEONE, US 18403 4246 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4170 288 86 VIASAT-SP-BACKBONE, US 20940 4086 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 9515 9478 CHINAMOBILE-CN China Mobile Communications Grou 12479 7306 7165 UNI2-AS, ES 16509 8702 5576 AMAZON-02, US 7545 5683 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4246 4221 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4084 VIASAT-SP-BACKBONE, US 20940 4086 3926 AKAMAI-ASN1, NL 11492 4519 3896 CABLEONE, US 7552 3692 3671 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 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 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 /12:296 /13:574 /14:1198 /15:2105 /16:13419 /17:8180 /18:13706 /19:24866 /20:43231 /21:51080 /22:109214 /23:98098 /24:553055 /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 6394 7306 UNI2-AS, ES 8151 5489 11575 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3428 4519 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3119 4170 VIASAT-SP-BACKBONE, US 8551 2934 3465 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2609 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2089 3531 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) ---------------------------------------------- 1:2180 2:1345 3:231 4:5 5:4508 6:130 7:6 8:1510 9:1 11:172 12:1517 13:387 14:2311 15:301 16:194 17:372 18:507 20:266 21:4 22:188 23:6344 24:2592 25:6 27:2513 29:19 31:2519 32:77 34:25 35:111 36:1965 37:4675 38:4966 39:827 40:152 41:3906 42:2000 43:2302 44:304 45:16544 46:4337 47:374 49:1766 50:1850 51:586 52:1589 54:397 55:956 56:8 57:120 58:1815 59:1105 60:988 61:2509 62:2647 63:1899 64:5587 65:2318 66:4961 67:3044 68:1347 69:4073 70:1200 71:675 72:2980 74:2611 75:1565 76:612 77:2450 78:1813 79:2979 80:2117 81:1788 82:1471 83:1254 84:1525 85:2982 86:763 87:2011 88:1183 89:3817 90:614 91:7779 92:2042 93:2598 94:3581 95:4044 96:1310 97:340 98:1135 99:735 100:94 101:1309 102:2831 103:31616 104:4555 105:505 106:873 107:2554 108:1085 109:4233 110:2093 111:3132 112:2016 113:1743 114:1631 115:1976 116:1901 117:2574 118:2616 119:1978 120:1792 121:1076 122:2590 123:2128 124:1573 125:2462 128:1403 129:1042 130:1006 131:1972 132:842 133:422 134:1793 135:307 136:892 137:953 138:2542 139:1568 140:1215 141:1329 142:1460 143:1504 144:1012 145:341 146:1945 147:1573 148:2407 149:2166 150:876 151:1164 152:1951 153:496 154:4648 155:1383 156:1806 157:1312 158:1085 159:2262 160:2584 161:1549 162:3507 163:1545 164:1589 165:1867 166:1059 167:1725 168:3846 169:948 170:4625 171:886 172:3626 173:2962 174:1081 175:1192 176:3758 177:4536 178:3608 179:2174 180:2454 181:3477 182:3393 183:2006 184:2316 185:20426 186:4783 187:4068 188:4096 189:3717 190:9248 191:1381 192:10887 193:8933 194:7311 195:5141 196:3203 197:2368 198:5903 199:6093 200:7981 201:5927 202:10243 203:10103 204:4556 205:3664 206:4264 207:3373 208:4118 209:4881 210:4183 211:2438 212:4246 213:3588 214:1077 215:59 216:6629 217:2754 218:1276 219:414 220:1763 221:964 222:683 223:2155 End of report