IPv4 R&E Routing Table Report 23:05 GMT Sat 09 Mar, 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: 934143 Prefixes after maximum aggregation (per Origin AS): 357464 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457954 Number of IPv4 prefixes with a valid ROA: 450621 Number of IPv4 prefixes with an invalid ROA: 1085 Number of IPv4 prefixes with no ROA: 482437 Total ASes present in the Internet Routing Table: 75306 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64813 Origin ASes announcing only one prefix: 26587 Transit ASes present in the Internet Routing Table: 10493 Transit-only ASes present in the Internet Routing Table: 475 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 1059 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 43798 Number of 32-bit ASNs visible in the Routing Table: 35946 Prefixes from 32-bit ASNs in the Routing Table: 181486 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 527 Number of addresses announced to Internet: 3040787456 Equivalent to 181 /8s, 62 /16s and 188 /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: 308267 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246408 Total APNIC prefixes after maximum aggregation: 72189 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239216 Unique aggregates announced from the APNIC address blocks: 99760 APNIC Region origin ASes present in the Internet Routing Table: 13927 APNIC Prefixes per ASN: 17.18 APNIC Region origin ASes announcing only one prefix: 4220 APNIC Region transit ASes present in the Internet Routing Table: 1846 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9362 Number of APNIC addresses announced to Internet: 774186496 Equivalent to 46 /8s, 37 /16s and 38 /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: 272619 Total ARIN prefixes after maximum aggregation: 123577 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277262 Unique aggregates announced from the ARIN address blocks: 132519 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1901 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: 4852 Number of ARIN addresses announced to Internet: 1270010880 Equivalent to 75 /8s, 178 /16s and 212 /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: 262802 Total RIPE prefixes after maximum aggregation: 126102 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257465 Unique aggregates announced from the RIPE address blocks: 162246 RIPE Region origin ASes present in the Internet Routing Table: 28555 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12121 RIPE Region transit ASes present in the Internet Routing Table: 3900 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: 11635 Number of RIPE addresses announced to Internet: 712508928 Equivalent to 42 /8s, 120 /16s and 6 /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: 120817 Total LACNIC prefixes after maximum aggregation: 28827 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 119293 Unique aggregates announced from the LACNIC address blocks: 49503 LACNIC Region origin ASes present in the Internet Routing Table: 11063 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2628 LACNIC Region transit ASes present in the Internet Routing Table: 2354 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: 8915 Number of LACNIC addresses announced to Internet: 177416448 Equivalent to 10 /8s, 147 /16s and 41 /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: 30438 Total AfriNIC prefixes after maximum aggregation: 6052 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 40380 Unique aggregates announced from the AfriNIC address blocks: 13493 AfriNIC Region origin ASes present in the Internet Routing Table: 1820 AfriNIC Prefixes per ASN: 22.19 AfriNIC Region origin ASes announcing only one prefix: 651 AfriNIC Region transit ASes present in the Internet Routing Table: 347 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1182 Number of AfriNIC addresses announced to Internet: 106364416 Equivalent to 6 /8s, 86 /16s and 254 /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 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5650 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4610 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3845 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3605 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3509 495 250 BBIL-AP BHARTI Airtel Ltd., IN 45899 3286 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2751 863 362 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2187 434 195 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 9621 11319 3373 AMAZON-02, US 11492 4576 304 647 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3601 3044 291 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3599 1320 75 SHAW, CA 174 3219 6644 671 COGENT-174, US 749 3199 54920 2451 DNIC-AS-00749, US 16625 3166 1374 2270 AKAMAI-AS, US 367 2917 3649 1407 DNIC-ASBLK-00306-00371, US 396982 2752 3638 402 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 7620 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3857 3395 125 AKAMAI-ASN1, NL 9009 3271 284 1592 M247, RO 12389 2892 2304 906 ROSTELECOM-AS, RU 8551 2657 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 591 TELLCOM-AS, TR 13188 1570 98 107 TRIOLAN, UA 8452 1514 1852 14 TE-AS TE-AS, EG 44477 1490 97 711 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 12533 3356 587 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2504 338 650 Mega Cable, S.A. de C.V., MX 11830 1878 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1208 349 490 Axtel, S.A.B. de C.V., MX 11664 1145 179 422 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1066 114 380 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 1549 545 28 RAYA-AS, EG 24863 1520 389 20 LINKdotNET-AS, EG 36992 1368 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1170 75 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 15399 533 56 54 WANANCHI-, KE 36914 475 82 3 KENET-AS, KE 24757 426 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 12533 3356 587 UNINET, MX 9808 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9621 11319 3373 AMAZON-02, US 12479 7620 1714 147 UNI2-AS, ES 7545 5650 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4610 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4576 304 647 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3857 3395 125 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 9807 9755 CHINAMOBILE-CN China Mobile Communications Grou 12479 7620 7473 UNI2-AS, ES 16509 9621 6248 AMAZON-02, US 7545 5650 4977 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4610 4585 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4576 3929 CABLEONE, US 7552 3845 3825 VIETEL-AS-AP Viettel Group, VN 20940 3857 3732 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 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 CROWNCASTLE-AS46887, 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 395195 UNALLOCATED 8.38.115.0/24 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: 3491 BTN-ASN, US 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 /16:13337 /17:8102 /18:13579 /19:24532 /20:43120 /21:50853 /22:110049 /23:98119 /24:568159 /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 6734 7620 UNI2-AS, ES 8151 6478 12533 UNINET, MX 11492 3489 4576 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3397 3599 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2648 3601 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2133 2657 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2131 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) ---------------------------------------------- 1:2286 2:1566 3:307 4:6 5:4502 6:161 7:6 8:1494 9:1 11:172 12:1468 13:376 14:2351 15:314 16:208 17:368 18:738 20:354 21:4 22:188 23:6611 24:2698 25:2 27:2628 29:19 31:2638 32:46 34:45 35:122 36:2199 37:4496 38:7093 39:894 40:140 41:4078 42:2215 43:2306 44:323 45:16830 46:4355 47:289 49:1895 50:1898 51:575 52:1581 54:307 55:884 56:5 57:152 58:1968 59:1121 60:1022 61:2609 62:2696 63:1898 64:5508 65:2322 66:4667 67:3047 68:1336 69:4041 70:1196 71:573 72:2899 74:2578 75:1550 76:631 77:2409 78:1839 79:2480 80:2151 81:1929 82:1506 83:1254 84:1640 85:3082 86:831 87:1970 88:1233 89:4005 90:681 91:7971 92:2181 93:2629 94:3636 95:4109 96:1287 97:312 98:1035 99:742 100:91 101:1162 102:3099 103:32457 104:4748 105:635 106:928 107:2759 108:1127 109:4042 110:2137 111:3164 112:2058 113:1745 114:1769 115:1999 116:1941 117:2620 118:2819 119:1952 120:1784 121:1268 122:2674 123:2195 124:1606 125:2836 126:28 128:1443 129:915 130:1083 131:1804 132:803 133:410 134:1709 135:312 136:927 137:1031 138:2801 139:1559 140:1366 141:1355 142:1552 143:1486 144:1011 145:340 146:2025 147:1694 148:2489 149:2556 150:1082 151:1321 152:1974 153:526 154:5865 155:1354 156:2246 157:1586 158:1098 159:2224 160:2579 161:1631 162:3591 163:1708 164:1618 165:2108 166:1069 167:1710 168:3926 169:786 170:4714 171:992 172:3834 173:3021 174:900 175:1216 176:3646 177:4446 178:3549 179:2217 180:2366 181:3669 182:3393 183:2029 184:2257 185:20589 186:4922 187:4395 188:4001 189:4073 190:9309 191:1434 192:10958 193:9017 194:7432 195:5257 196:3139 197:2544 198:5911 199:7391 200:7993 201:6246 202:10194 203:10110 204:4551 205:3696 206:4441 207:3411 208:4134 209:4966 210:4366 211:2483 212:4284 213:3404 214:1106 215:44 216:6751 217:2803 218:1313 219:409 220:1828 221:1023 222:695 223:2203 End of report