IPv4 R&E Routing Table Report 23:05 GMT Fri 05 Apr, 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: 936686 Prefixes after maximum aggregation (per Origin AS): 358633 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459224 Number of IPv4 prefixes with a valid ROA: 459457 Number of IPv4 prefixes with an invalid ROA: 972 Number of IPv4 prefixes with no ROA: 476257 Total ASes present in the Internet Routing Table: 75456 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64789 Origin ASes announcing only one prefix: 26584 Transit ASes present in the Internet Routing Table: 10667 Transit-only ASes present in the Internet Routing Table: 498 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1089 Number of instances of unregistered ASNs: 1091 Number of 32-bit ASNs allocated by the RIRs: 44026 Number of 32-bit ASNs visible in the Routing Table: 36120 Prefixes from 32-bit ASNs in the Routing Table: 182921 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: 612 Number of addresses announced to Internet: 3026960896 Equivalent to 180 /8s, 107 /16s and 194 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 309263 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246861 Total APNIC prefixes after maximum aggregation: 72501 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 239545 Unique aggregates announced from the APNIC address blocks: 99996 APNIC Region origin ASes present in the Internet Routing Table: 13972 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4227 APNIC Region transit ASes present in the Internet Routing Table: 1858 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9413 Number of APNIC addresses announced to Internet: 759819776 Equivalent to 45 /8s, 73 /16s and 238 /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: 273247 Total ARIN prefixes after maximum aggregation: 123880 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278011 Unique aggregates announced from the ARIN address blocks: 133221 ARIN Region origin ASes present in the Internet Routing Table: 19088 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1914 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4866 Number of ARIN addresses announced to Internet: 1269250816 Equivalent to 75 /8s, 167 /16s and 59 /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: 263620 Total RIPE prefixes after maximum aggregation: 126588 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258352 Unique aggregates announced from the RIPE address blocks: 162970 RIPE Region origin ASes present in the Internet Routing Table: 28600 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12139 RIPE Region transit ASes present in the Internet Routing Table: 3982 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11717 Number of RIPE addresses announced to Internet: 714645248 Equivalent to 42 /8s, 152 /16s and 159 /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: 121090 Total LACNIC prefixes after maximum aggregation: 28803 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119409 Unique aggregates announced from the LACNIC address blocks: 49503 LACNIC Region origin ASes present in the Internet Routing Table: 11068 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2597 LACNIC Region transit ASes present in the Internet Routing Table: 2394 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8933 Number of LACNIC addresses announced to Internet: 177112320 Equivalent to 10 /8s, 142 /16s and 133 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30779 Total AfriNIC prefixes after maximum aggregation: 6150 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 40757 Unique aggregates announced from the AfriNIC address blocks: 13052 AfriNIC Region origin ASes present in the Internet Routing Table: 1822 AfriNIC Prefixes per ASN: 22.37 AfriNIC Region origin ASes announcing only one prefix: 648 AfriNIC Region transit ASes present in the Internet Routing Table: 354 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1191 Number of AfriNIC addresses announced to Internet: 105807104 Equivalent to 6 /8s, 78 /16s and 125 /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 9831 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4571 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3862 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3640 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3560 497 256 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2772 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 434 198 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 9818 11370 3393 AMAZON-02, US 11492 4600 305 612 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3515 3043 229 ASN-CXA-ALL-CCI-22773-RDC, US 174 3266 6629 813 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3076 1308 2201 AKAMAI-AS, US 367 2873 3568 1360 DNIC-ASBLK-00306-00371, US 396982 2764 3641 413 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 7664 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3835 3395 126 AKAMAI-ASN1, NL 9009 3266 283 1596 M247, RO 12389 2988 2304 905 ROSTELECOM-AS, RU 8551 2637 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1528 1852 14 TE-AS TE-AS, EG 44477 1514 99 721 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 12366 3315 493 UNINET, MX 10620 3526 496 887 Telmex Colombia S.A., CO 13999 2523 346 655 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1341 2315 247 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1147 177 424 Techtel LMDS Comunicaciones Interactiva 6503 1101 346 479 Axtel, S.A.B. de C.V., MX 6147 1081 369 22 Telefonica del Peru S.A.A., PE 22884 1071 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 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1159 75 74 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 529 55 56 WANANCHI-, KE 36914 476 82 3 KENET-AS, KE 24757 429 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 12366 3315 493 UNINET, MX 9808 9831 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9818 11370 3393 AMAZON-02, US 12479 7664 1709 144 UNI2-AS, ES 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4600 305 612 CABLEONE, US 18403 4571 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3862 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9831 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7664 7520 UNI2-AS, ES 16509 9818 6425 AMAZON-02, US 7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4571 4546 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4600 3988 CABLEONE, US 7552 3862 3842 VIETEL-AS-AP Viettel Group, VN 20940 3835 3709 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 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 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 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 27.0.193.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.193.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, 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 /11:95 /12:297 /13:579 /14:1194 /15:2067 /16:13242 /17:8124 /18:13569 /19:24490 /20:42963 /21:50861 /22:110136 /23:98134 /24:570861 /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 6782 7664 UNI2-AS, ES 8151 6379 12366 UNINET, MX 11492 3513 4600 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2614 3515 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2142 2486 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2113 2637 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) ---------------------------------------------- 1:2264 2:1484 3:323 4:6 5:4519 6:162 7:6 8:1504 9:1 11:172 12:1463 13:377 14:2355 15:318 16:209 17:366 18:758 20:358 21:4 22:188 23:6635 24:2715 25:2 27:2614 29:19 31:2663 32:46 34:62 35:123 36:2279 37:4455 38:7122 39:892 40:125 41:4080 42:2208 43:2320 44:315 45:16965 46:4385 47:302 49:1895 50:1910 51:573 52:1586 54:307 55:996 56:5 57:165 58:1976 59:1185 60:1029 61:2615 62:2679 63:1889 64:5537 65:2313 66:4646 67:3056 68:1332 69:4099 70:1193 71:575 72:2898 74:2573 75:1548 76:626 77:2421 78:1842 79:2485 80:2187 81:1955 82:1547 83:1312 84:1641 85:3125 86:836 87:2019 88:1247 89:4020 90:680 91:8068 92:2196 93:2650 94:3665 95:4139 96:1306 97:314 98:1030 99:743 100:94 101:1168 102:3114 103:32458 104:4840 105:635 106:929 107:2735 108:1113 109:4056 110:2134 111:3222 112:2064 113:1793 114:1777 115:2016 116:1864 117:2621 118:2833 119:1948 120:1785 121:1263 122:2666 123:2198 124:1606 125:2831 126:32 128:1420 129:926 130:1097 131:1852 132:798 133:410 134:1717 135:316 136:940 137:1033 138:2822 139:1545 140:1382 141:1360 142:1587 143:1499 144:993 145:346 146:2043 147:1746 148:2467 149:2568 150:1031 151:1336 152:2000 153:523 154:6225 155:1423 156:2230 157:1680 158:1080 159:2313 160:2623 161:1633 162:3585 163:1707 164:1641 165:2129 166:1127 167:1777 168:3893 169:789 170:4721 171:1002 172:3817 173:3032 174:902 175:1201 176:3619 177:4711 178:3570 179:2256 180:2342 181:3667 182:3384 183:2040 184:2270 185:20653 186:4961 187:4483 188:4034 189:4087 190:9306 191:1468 192:10939 193:9029 194:7439 195:5252 196:3142 197:2422 198:5885 199:7554 200:7962 201:6241 202:10181 203:10144 204:4541 205:3696 206:4447 207:3366 208:4146 209:4989 210:4386 211:2488 212:4310 213:3381 214:1083 215:50 216:6764 217:2821 218:1312 219:406 220:1816 221:1033 222:698 223:2207 End of report