IPv4 R&E Routing Table Report 23:05 GMT Mon 08 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: 937487 Prefixes after maximum aggregation (per Origin AS): 358864 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459287 Number of IPv4 prefixes with a valid ROA: 460074 Number of IPv4 prefixes with an invalid ROA: 998 Number of IPv4 prefixes with no ROA: 476415 Total ASes present in the Internet Routing Table: 75438 Prefixes per ASN: 12.43 Origin-only ASes present in the Internet Routing Table: 64785 Origin ASes announcing only one prefix: 26568 Transit ASes present in the Internet Routing Table: 10653 Transit-only ASes present in the Internet Routing Table: 491 Paths with bogon ASNs present in the IPv4 Routing Table: 8 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: 1079 Number of instances of unregistered ASNs: 1081 Number of 32-bit ASNs allocated by the RIRs: 44058 Number of 32-bit ASNs visible in the Routing Table: 36120 Prefixes from 32-bit ASNs in the Routing Table: 183529 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: 610 Number of addresses announced to Internet: 3027433216 Equivalent to 180 /8s, 114 /16s and 247 /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: 309540 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247054 Total APNIC prefixes after maximum aggregation: 72517 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239626 Unique aggregates announced from the APNIC address blocks: 100053 APNIC Region origin ASes present in the Internet Routing Table: 13979 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4223 APNIC Region transit ASes present in the Internet Routing Table: 1859 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: 9419 Number of APNIC addresses announced to Internet: 760034560 Equivalent to 45 /8s, 77 /16s and 53 /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: 273519 Total ARIN prefixes after maximum aggregation: 124126 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278215 Unique aggregates announced from the ARIN address blocks: 133257 ARIN Region origin ASes present in the Internet Routing Table: 19088 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1912 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: 4863 Number of ARIN addresses announced to Internet: 1269300992 Equivalent to 75 /8s, 167 /16s and 255 /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: 263657 Total RIPE prefixes after maximum aggregation: 126575 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258560 Unique aggregates announced from the RIPE address blocks: 162963 RIPE Region origin ASes present in the Internet Routing Table: 28587 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 3974 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: 11714 Number of RIPE addresses announced to Internet: 714657280 Equivalent to 42 /8s, 152 /16s and 206 /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: 121345 Total LACNIC prefixes after maximum aggregation: 28811 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119653 Unique aggregates announced from the LACNIC address blocks: 49512 LACNIC Region origin ASes present in the Internet Routing Table: 11069 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2607 LACNIC Region transit ASes present in the Internet Routing Table: 2391 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: 8934 Number of LACNIC addresses announced to Internet: 177185024 Equivalent to 10 /8s, 143 /16s and 161 /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: 30833 Total AfriNIC prefixes after maximum aggregation: 6130 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 40823 Unique aggregates announced from the AfriNIC address blocks: 13021 AfriNIC Region origin ASes present in the Internet Routing Table: 1821 AfriNIC Prefixes per ASN: 22.42 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 349 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1190 Number of AfriNIC addresses announced to Internet: 105935360 Equivalent to 6 /8s, 80 /16s and 114 /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 9832 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4575 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3864 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3640 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3562 497 256 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2771 861 367 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 9813 11368 3413 AMAZON-02, US 11492 4601 305 610 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 3324 6630 810 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3094 1317 2213 AKAMAI-AS, US 367 2863 3566 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 7673 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3848 3395 126 AKAMAI-ASN1, NL 9009 3267 283 1591 M247, RO 12389 2988 2304 905 ROSTELECOM-AS, RU 8551 2639 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 1507 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 12388 3320 494 UNINET, MX 10620 3528 497 889 Telmex Colombia S.A., CO 13999 2525 346 653 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 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1146 177 429 Techtel LMDS Comunicaciones Interactiva 6503 1103 346 480 Axtel, S.A.B. de C.V., MX 6147 1082 369 22 Telefonica del Peru S.A.A., PE 22884 1066 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 1207 76 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 529 56 57 WANANCHI-, KE 36914 469 82 3 KENET-AS, KE 24757 428 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 12388 3320 494 UNINET, MX 9808 9832 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9813 11368 3413 AMAZON-02, US 12479 7673 1709 144 UNI2-AS, ES 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4601 305 610 CABLEONE, US 18403 4575 347 24 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3864 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 9832 9771 CHINAMOBILE-CN China Mobile Communications Grou 12479 7673 7529 UNI2-AS, ES 16509 9813 6400 AMAZON-02, US 7545 5660 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4575 4551 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4601 3991 CABLEONE, US 7552 3864 3844 VIETEL-AS-AP Viettel Group, VN 20940 3848 3722 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 /16:13245 /17:8124 /18:13573 /19:24494 /20:43049 /21:50942 /22:110209 /23:98207 /24:571338 /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 6791 7673 UNI2-AS, ES 8151 6398 12388 UNINET, MX 11492 3514 4601 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 2135 2479 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2134 3528 Telmex Colombia S.A., CO 8551 2115 2639 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) ---------------------------------------------- 1:2273 2:1495 3:323 4:6 5:4526 6:161 7:6 8:1502 9:1 11:172 12:1462 13:372 14:2356 15:318 16:209 17:366 18:758 20:358 21:4 22:188 23:6643 24:2715 25:2 27:2585 29:19 31:2664 32:46 34:62 35:123 36:2279 37:4434 38:7173 39:891 40:126 41:4055 42:2207 43:2333 44:318 45:16948 46:4397 47:302 49:1895 50:1903 51:572 52:1587 54:306 55:997 56:5 57:165 58:1978 59:1185 60:1029 61:2611 62:2680 63:1892 64:5535 65:2318 66:4660 67:3062 68:1314 69:4100 70:1192 71:575 72:2893 74:2590 75:1548 76:626 77:2429 78:1843 79:2492 80:2188 81:1951 82:1545 83:1312 84:1642 85:3123 86:839 87:2015 88:1242 89:4032 90:680 91:8073 92:2202 93:2643 94:3669 95:4126 96:1307 97:314 98:1029 99:743 100:94 101:1170 102:3129 103:32441 104:4845 105:635 106:929 107:2769 108:1112 109:4065 110:2127 111:3226 112:2066 113:1793 114:1777 115:2028 116:1863 117:2622 118:2829 119:1966 120:1786 121:1263 122:2667 123:2199 124:1606 125:2844 126:32 128:1428 129:926 130:1103 131:1846 132:804 133:410 134:1711 135:316 136:923 137:1025 138:2826 139:1533 140:1385 141:1366 142:1587 143:1497 144:997 145:349 146:2044 147:1816 148:2484 149:2536 150:1031 151:1341 152:1999 153:523 154:6183 155:1429 156:2233 157:1687 158:1112 159:2318 160:2635 161:1636 162:3583 163:1703 164:1638 165:2132 166:1123 167:1773 168:3899 169:792 170:4745 171:995 172:3821 173:3032 174:903 175:1199 176:3610 177:4728 178:3581 179:2267 180:2354 181:3669 182:3374 183:2035 184:2271 185:20664 186:4988 187:4509 188:4035 189:4086 190:9333 191:1493 192:10933 193:9043 194:7450 195:5249 196:3150 197:2418 198:5885 199:7557 200:7959 201:6269 202:10218 203:10154 204:4540 205:3709 206:4455 207:3369 208:4138 209:4994 210:4394 211:2485 212:4289 213:3406 214:1084 215:50 216:6763 217:2818 218:1310 219:406 220:1815 221:1032 222:697 223:2207 End of report