IPv4 R&E Routing Table Report 23:05 GMT Wed 28 Feb, 2024 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: 932557 Prefixes after maximum aggregation (per Origin AS): 356831 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457716 Number of IPv4 prefixes with a valid ROA: 448761 Number of IPv4 prefixes with an invalid ROA: 1069 Number of IPv4 prefixes with no ROA: 482727 Total ASes present in the Internet Routing Table: 75262 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64763 Origin ASes announcing only one prefix: 26558 Transit ASes present in the Internet Routing Table: 10499 Transit-only ASes present in the Internet Routing Table: 474 Paths with bogon ASNs present in the IPv4 Routing Table: 17 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1052 Number of instances of unregistered ASNs: 1054 Number of 32-bit ASNs allocated by the RIRs: 43723 Number of 32-bit ASNs visible in the Routing Table: 35896 Prefixes from 32-bit ASNs in the Routing Table: 181087 Number of bogon 32-bit ASNs visible in the Routing Table: 25 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 521 Number of addresses announced to Internet: 3040690176 Equivalent to 181 /8s, 61 /16s and 64 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 307896 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245648 Total APNIC prefixes after maximum aggregation: 72233 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238435 Unique aggregates announced from the APNIC address blocks: 100063 APNIC Region origin ASes present in the Internet Routing Table: 13907 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4187 APNIC Region transit ASes present in the Internet Routing Table: 1847 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9341 Number of APNIC addresses announced to Internet: 773927680 Equivalent to 46 /8s, 33 /16s and 51 /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: 272412 Total ARIN prefixes after maximum aggregation: 123284 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277159 Unique aggregates announced from the ARIN address blocks: 132575 ARIN Region origin ASes present in the Internet Routing Table: 19063 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1896 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4842 Number of ARIN addresses announced to Internet: 1270052864 Equivalent to 75 /8s, 179 /16s and 120 /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: 262307 Total RIPE prefixes after maximum aggregation: 125793 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257182 Unique aggregates announced from the RIPE address blocks: 161942 RIPE Region origin ASes present in the Internet Routing Table: 28548 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 3890 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11629 Number of RIPE addresses announced to Internet: 712580864 Equivalent to 42 /8s, 121 /16s and 31 /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 196608-216475 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: 120832 Total LACNIC prefixes after maximum aggregation: 28767 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119355 Unique aggregates announced from the LACNIC address blocks: 49497 LACNIC Region origin ASes present in the Internet Routing Table: 11062 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2624 LACNIC Region transit ASes present in the Internet Routing Table: 2377 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: 8914 Number of LACNIC addresses announced to Internet: 177672192 Equivalent to 10 /8s, 151 /16s and 16 /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: 30306 Total AfriNIC prefixes after maximum aggregation: 6050 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39905 Unique aggregates announced from the AfriNIC address blocks: 13208 AfriNIC Region origin ASes present in the Internet Routing Table: 1816 AfriNIC Prefixes per ASN: 21.97 AfriNIC Region origin ASes announcing only one prefix: 649 AfriNIC Region transit ASes present in the Internet Routing Table: 346 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 44 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1170 Number of AfriNIC addresses announced to Internet: 106153984 Equivalent to 6 /8s, 83 /16s and 200 /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 9805 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5654 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4555 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3510 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3285 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2745 862 371 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2190 434 196 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9658 11260 3357 AMAZON-02, US 11492 4581 304 644 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3603 3043 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3595 1320 75 SHAW, CA 174 3221 6642 667 COGENT-174, US 16625 3210 1399 2286 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2900 3648 1413 DNIC-ASBLK-00306-00371, US 396982 2760 3640 397 GOOGLE-CLOUD-PLATFORM, 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 7607 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3880 3395 126 AKAMAI-ASN1, NL 9009 3283 285 1598 M247, RO 12389 2895 2304 908 ROSTELECOM-AS, RU 8551 2652 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2351 363 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1505 1852 14 TE-AS TE-AS, EG 44477 1488 97 709 STARK-INDUSTRIES, GB 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 12501 3356 608 UNINET, MX 10620 3524 496 890 Telmex Colombia S.A., CO 13999 2523 342 644 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1337 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 349 490 Axtel, S.A.B. de C.V., MX 11664 1144 179 421 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1067 114 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1550 545 28 RAYA-AS, EG 24863 1517 389 16 LINKdotNET-AS, EG 36992 1362 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1157 74 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 15399 520 55 52 WANANCHI-, KE 36914 489 82 3 KENET-AS, KE 24757 447 73 5 EthioNet-AS, ET 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 12501 3356 608 UNINET, MX 9808 9805 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9658 11260 3357 AMAZON-02, US 12479 7607 1714 147 UNI2-AS, ES 7545 5654 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4581 304 644 CABLEONE, US 18403 4555 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3880 3395 126 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 9805 9753 CHINAMOBILE-CN China Mobile Communications Grou 12479 7607 7460 UNI2-AS, ES 16509 9658 6301 AMAZON-02, US 7545 5654 4980 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4555 4530 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4581 3937 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 20940 3880 3754 AKAMAI-ASN1, NL 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 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 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 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/24 Origin: 136800 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 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 /10:36 /11:98 /12:299 /13:573 /14:1191 /15:2058 /16:13328 /17:8115 /18:13559 /19:24598 /20:43086 /21:50829 /22:109731 /23:97925 /24:567093 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6722 7607 UNI2-AS, ES 8151 6454 12501 UNINET, MX 11492 3494 4581 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3393 3595 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2650 3603 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2162 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2129 3524 Telmex Colombia S.A., CO 8551 2128 2652 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2287 2:1516 3:303 4:6 5:4490 6:161 7:6 8:1495 9:1 11:172 12:1469 13:390 14:2349 15:313 16:208 17:366 18:738 20:356 21:4 22:188 23:6603 24:2699 25:2 27:2572 29:19 31:2556 32:45 34:45 35:121 36:2196 37:4491 38:7047 39:892 40:139 41:4056 42:2181 43:2294 44:325 45:16846 46:4342 47:286 49:1896 50:1895 51:576 52:1583 54:311 55:886 56:5 57:147 58:1966 59:1116 60:1021 61:2612 62:2695 63:1901 64:5508 65:2327 66:4657 67:3044 68:1353 69:4050 70:1197 71:574 72:2895 74:2582 75:1554 76:630 77:2403 78:1836 79:2472 80:2141 81:1918 82:1501 83:1245 84:1640 85:3088 86:836 87:1965 88:1228 89:3979 90:677 91:7933 92:2191 93:2631 94:3650 95:4083 96:1285 97:312 98:1037 99:743 100:93 101:1158 102:3064 103:32479 104:4751 105:599 106:927 107:2764 108:1120 109:4028 110:2137 111:3167 112:2058 113:1755 114:1762 115:1982 116:1947 117:2649 118:2763 119:1947 120:1784 121:1268 122:2672 123:2194 124:1561 125:2835 126:28 128:1496 129:913 130:1087 131:1818 132:812 133:410 134:1707 135:312 136:922 137:1026 138:2795 139:1542 140:1370 141:1348 142:1559 143:1486 144:1008 145:343 146:2016 147:1698 148:2488 149:2521 150:1025 151:1322 152:1982 153:525 154:5711 155:1376 156:2092 157:1553 158:1098 159:2227 160:2605 161:1627 162:3589 163:1702 164:1631 165:2102 166:1062 167:1695 168:3940 169:781 170:4695 171:1002 172:3837 173:3023 174:894 175:1215 176:3632 177:4482 178:3559 179:2179 180:2375 181:3646 182:3400 183:2022 184:2264 185:20598 186:4845 187:4387 188:4010 189:4070 190:9312 191:1420 192:10957 193:8994 194:7446 195:5252 196:3142 197:2557 198:5902 199:7268 200:8061 201:6345 202:10141 203:10123 204:4548 205:3713 206:4443 207:3413 208:4141 209:4957 210:4371 211:2482 212:4274 213:3401 214:1115 215:44 216:6697 217:2811 218:1313 219:406 220:1820 221:1023 222:695 223:2207 End of report