IPv4 R&E Routing Table Report 23:05 GMT Wed 21 Aug, 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: 949069 Prefixes after maximum aggregation (per Origin AS): 363055 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465123 Number of IPv4 prefixes with a valid ROA: 493521 Number of IPv4 prefixes with an invalid ROA: 1167 Number of IPv4 prefixes with no ROA: 454381 Total ASes present in the Internet Routing Table: 75897 Prefixes per ASN: 12.50 Origin-only ASes present in the Internet Routing Table: 65219 Origin ASes announcing only one prefix: 26729 Transit ASes present in the Internet Routing Table: 10678 Transit-only ASes present in the Internet Routing Table: 515 Paths with bogon ASNs present in the IPv4 Routing Table: 19 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 971 Number of instances of unregistered ASNs: 984 Number of 32-bit ASNs allocated by the RIRs: 45204 Number of 32-bit ASNs visible in the Routing Table: 36867 Prefixes from 32-bit ASNs in the Routing Table: 190680 Number of bogon 32-bit ASNs visible in the Routing Table: 53 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 641 Number of addresses announced to Internet: 3033339136 Equivalent to 180 /8s, 205 /16s and 21 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 312062 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250695 Total APNIC prefixes after maximum aggregation: 74468 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 242661 Unique aggregates announced from the APNIC address blocks: 102068 APNIC Region origin ASes present in the Internet Routing Table: 14221 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4322 APNIC Region transit ASes present in the Internet Routing Table: 1893 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9693 Number of APNIC addresses announced to Internet: 761444608 Equivalent to 45 /8s, 98 /16s and 185 /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: 277337 Total ARIN prefixes after maximum aggregation: 125342 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281462 Unique aggregates announced from the ARIN address blocks: 134486 ARIN Region origin ASes present in the Internet Routing Table: 19091 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1890 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4960 Number of ARIN addresses announced to Internet: 1266221056 Equivalent to 75 /8s, 121 /16s and 0 /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, 393216-402332 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: 265826 Total RIPE prefixes after maximum aggregation: 128194 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261586 Unique aggregates announced from the RIPE address blocks: 166118 RIPE Region origin ASes present in the Internet Routing Table: 28674 RIPE Prefixes per ASN: 9.12 RIPE Region origin ASes announcing only one prefix: 12109 RIPE Region transit ASes present in the Internet Routing Table: 3915 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11932 Number of RIPE addresses announced to Internet: 722753024 Equivalent to 43 /8s, 20 /16s and 86 /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: 122008 Total LACNIC prefixes after maximum aggregation: 27992 LACNIC Deaggregation factor: 4.36 Prefixes being announced from the LACNIC address blocks: 119868 Unique aggregates announced from the LACNIC address blocks: 47561 LACNIC Region origin ASes present in the Internet Routing Table: 11145 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2652 LACNIC Region transit ASes present in the Internet Routing Table: 2445 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: 9050 Number of LACNIC addresses announced to Internet: 178241280 Equivalent to 10 /8s, 159 /16s and 191 /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: 32232 Total AfriNIC prefixes after maximum aggregation: 6421 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 42851 Unique aggregates announced from the AfriNIC address blocks: 14336 AfriNIC Region origin ASes present in the Internet Routing Table: 1867 AfriNIC Prefixes per ASN: 22.95 AfriNIC Region origin ASes announcing only one prefix: 680 AfriNIC Region transit ASes present in the Internet Routing Table: 357 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1232 Number of AfriNIC addresses announced to Internet: 104340992 Equivalent to 6 /8s, 56 /16s and 30 /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 9900 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5700 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4292 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3959 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3786 507 258 BBIL-AP BHARTI Airtel Ltd., IN 7713 3635 1043 69 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3247 1841 102 VNPT-AS-VN VNPT Corp, VN 24560 2801 843 474 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2202 434 195 TATACOMM-AS TATA Communications formerly 45090 2189 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10532 11779 3740 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3889 8783 903 COGENT-174, US 6327 3601 1320 79 SHAW, CA 22773 3423 3037 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3254 54897 2506 DNIC-AS-00749, US 7018 2972 23676 1870 ATT-INTERNET4, US 16625 2914 1239 2104 AKAMAI-AS, US 396982 2784 3567 418 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 7694 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3763 3396 129 AKAMAI-ASN1, NL 9009 3661 312 1861 M247, RO 12389 2862 2291 857 ROSTELECOM-AS, RU 34984 2329 359 583 TELLCOM-AS, TR 8551 1783 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1746 125 1279 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1575 1852 14 TE-AS TE-AS, EG 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 11825 3291 512 UNINET, MX 10620 3536 493 930 Telmex Colombia S.A., CO 13999 2553 629 22 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1319 777 204 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 19037 1221 278 33 AMX Argentina S.A., AR 6503 1148 373 162 Axtel, S.A.B. de C.V., MX 22884 1072 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1057 2503 53 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 1610 389 16 LINKdotNET-AS, EG 24835 1553 593 29 RAYA-AS, EG 36992 1411 1519 283 ETISALAT-MISR, EG 29571 1329 84 73 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 939 521 42 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 36914 546 82 3 KENET-AS, KE 37342 513 32 1 MOVITEL, MZ 15399 508 56 57 WANANCHI-, KE 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 11825 3291 512 UNINET, MX 16509 10532 11779 3740 AMAZON-02, US 9808 9900 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7694 1708 145 UNI2-AS, ES 7545 5700 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4292 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3959 1331 22 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 9900 9825 CHINAMOBILE-CN China Mobile Communications Grou 12479 7694 7549 UNI2-AS, ES 16509 10532 6792 AMAZON-02, US 7545 5700 5041 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4292 4269 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4167 4078 VIASAT-SP-BACKBONE, US 7552 3959 3937 VIETEL-AS-AP Viettel Group, VN 20940 3763 3634 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-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.130.240.0/24 Origin: 14315 1GSERVERS, US 23.130.240.0/24 Transit: 174 COGENT-174, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 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 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 /9:16 /10:37 /11:93 /12:294 /13:575 /14:1165 /15:2055 /16:13157 /17:8132 /18:13558 /19:24335 /20:43121 /21:51225 /22:110843 /23:99421 /24:581018 /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 6777 7694 UNI2-AS, ES 8151 5940 11825 UNINET, MX 11492 3539 4628 CABLEONE, US 6327 3397 3601 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2562 3423 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2165 3536 Telmex Colombia S.A., CO 30036 2154 2492 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2131 10532 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2276 2:1503 3:435 4:6 5:4428 6:160 7:6 8:1514 9:1 11:172 12:1430 13:362 14:2359 15:327 16:259 17:362 18:866 20:404 21:4 22:188 23:6777 24:2688 25:2 27:2560 29:19 31:2664 32:44 34:68 35:138 36:2346 37:4516 38:8307 39:917 40:150 41:4090 42:2005 43:2409 44:331 45:17419 46:4611 47:299 49:2018 50:1852 51:579 52:1575 54:318 55:949 56:8 57:212 58:2163 59:1206 60:1061 61:2736 62:2777 63:1853 64:5452 65:2285 66:4629 67:3007 68:1343 69:4037 70:1153 71:555 72:2853 74:2637 75:1560 76:616 77:2511 78:1851 79:1781 80:2184 81:2024 82:1656 83:1363 84:1706 85:3169 86:962 87:2032 88:1247 89:4236 90:687 91:8199 92:2424 93:2708 94:3741 95:4202 96:1273 97:316 98:1051 99:733 100:73 101:1163 102:3528 103:32277 104:4480 105:690 106:985 107:2373 108:1165 109:4077 110:2133 111:3236 112:2052 113:1801 114:1848 115:2063 116:1956 117:2669 118:2856 119:1981 120:1798 121:1343 122:2687 123:2250 124:1601 125:2832 126:64 128:1360 129:935 130:1180 131:1855 132:809 133:428 134:1471 135:308 136:1138 137:1068 138:2863 139:1532 140:1443 141:1449 142:1670 143:1601 144:1020 145:362 146:2103 147:2019 148:2529 149:2802 150:1060 151:1358 152:2106 153:501 154:6538 155:1427 156:2394 157:1788 158:1185 159:2440 160:3004 161:1698 162:3545 163:1737 164:1685 165:2143 166:1275 167:1841 168:4041 169:805 170:4941 171:1031 172:3894 173:3079 174:899 175:1257 176:3458 177:4700 178:3637 179:2218 180:2453 181:3835 182:3333 183:1995 184:2263 185:20951 186:4999 187:4330 188:4098 189:4141 190:9512 191:1506 192:11044 193:9215 194:7479 195:5314 196:3222 197:3008 198:5923 199:8038 200:8066 201:6362 202:10208 203:10381 204:4541 205:3646 206:4478 207:3530 208:4168 209:5042 210:4491 211:2543 212:4406 213:3681 214:1061 215:48 216:6713 217:2919 218:1329 219:434 220:1815 221:1046 222:701 223:2227 End of report