IPv4 R&E Routing Table Report 23:05 GMT Fri 16 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: 948725 Prefixes after maximum aggregation (per Origin AS): 363361 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464749 Number of IPv4 prefixes with a valid ROA: 492390 Number of IPv4 prefixes with an invalid ROA: 1341 Number of IPv4 prefixes with no ROA: 454994 Total ASes present in the Internet Routing Table: 75874 Prefixes per ASN: 12.50 Origin-only ASes present in the Internet Routing Table: 65211 Origin ASes announcing only one prefix: 26740 Transit ASes present in the Internet Routing Table: 10663 Transit-only ASes present in the Internet Routing Table: 509 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: 952 Number of instances of unregistered ASNs: 965 Number of 32-bit ASNs allocated by the RIRs: 45194 Number of 32-bit ASNs visible in the Routing Table: 36839 Prefixes from 32-bit ASNs in the Routing Table: 190453 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: 542 Number of addresses announced to Internet: 3033469440 Equivalent to 180 /8s, 207 /16s and 18 /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: 311619 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250650 Total APNIC prefixes after maximum aggregation: 74422 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 242653 Unique aggregates announced from the APNIC address blocks: 102116 APNIC Region origin ASes present in the Internet Routing Table: 14216 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4321 APNIC Region transit ASes present in the Internet Routing Table: 1890 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9682 Number of APNIC addresses announced to Internet: 761465856 Equivalent to 45 /8s, 99 /16s and 12 /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: 277281 Total ARIN prefixes after maximum aggregation: 125457 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281495 Unique aggregates announced from the ARIN address blocks: 134365 ARIN Region origin ASes present in the Internet Routing Table: 19086 ARIN Prefixes per ASN: 14.75 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1886 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: 4956 Number of ARIN addresses announced to Internet: 1265927424 Equivalent to 75 /8s, 116 /16s and 133 /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: 265815 Total RIPE prefixes after maximum aggregation: 128152 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261495 Unique aggregates announced from the RIPE address blocks: 166011 RIPE Region origin ASes present in the Internet Routing Table: 28673 RIPE Prefixes per ASN: 9.12 RIPE Region origin ASes announcing only one prefix: 12119 RIPE Region transit ASes present in the Internet Routing Table: 3920 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11931 Number of RIPE addresses announced to Internet: 722913792 Equivalent to 43 /8s, 22 /16s and 202 /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: 122099 Total LACNIC prefixes after maximum aggregation: 28419 LACNIC Deaggregation factor: 4.30 Prefixes being announced from the LACNIC address blocks: 119959 Unique aggregates announced from the LACNIC address blocks: 47753 LACNIC Region origin ASes present in the Internet Routing Table: 11140 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2440 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: 9038 Number of LACNIC addresses announced to Internet: 178136320 Equivalent to 10 /8s, 158 /16s and 37 /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: 31928 Total AfriNIC prefixes after maximum aggregation: 6280 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 42581 Unique aggregates announced from the AfriNIC address blocks: 14047 AfriNIC Region origin ASes present in the Internet Routing Table: 1870 AfriNIC Prefixes per ASN: 22.77 AfriNIC Region origin ASes announcing only one prefix: 676 AfriNIC Region transit ASes present in the Internet Routing Table: 355 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: 104723968 Equivalent to 6 /8s, 61 /16s and 246 /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 9896 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5696 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4223 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3953 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3788 508 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3246 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2815 856 451 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2200 434 198 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 10480 11598 3808 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3980 8785 910 COGENT-174, US 6327 3600 1320 79 SHAW, CA 22773 3421 3037 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3256 54898 2508 DNIC-AS-00749, US 7018 2955 23675 1855 ATT-INTERNET4, US 16625 2950 1261 2132 AKAMAI-AS, US 396982 2779 3567 416 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 7693 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3774 3396 129 AKAMAI-ASN1, NL 9009 3659 312 1854 M247, RO 12389 2861 2291 857 ROSTELECOM-AS, RU 34984 2330 359 584 TELLCOM-AS, TR 8551 1782 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1741 125 1274 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1567 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 11826 3292 514 UNINET, MX 10620 3534 493 929 Telmex Colombia S.A., CO 13999 2539 629 22 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1343 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1319 777 204 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1121 313 480 Axtel, S.A.B. de C.V., MX 19037 1089 278 31 AMX Argentina S.A., AR 22884 1072 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1062 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 1611 389 16 LINKdotNET-AS, EG 24835 1554 593 29 RAYA-AS, EG 36992 1411 1519 283 ETISALAT-MISR, EG 29571 1324 84 78 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 547 82 3 KENET-AS, KE 37342 517 32 1 MOVITEL, MZ 15399 512 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 11826 3292 514 UNINET, MX 16509 10480 11598 3808 AMAZON-02, US 9808 9896 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7693 1708 145 UNI2-AS, ES 7545 5696 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4223 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3980 8785 910 COGENT-174, US 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 9896 9821 CHINAMOBILE-CN China Mobile Communications Grou 12479 7693 7548 UNI2-AS, ES 16509 10480 6672 AMAZON-02, US 7545 5696 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4223 4200 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4167 4078 VIASAT-SP-BACKBONE, US 7552 3953 3931 VIETEL-AS-AP Viettel Group, VN 20940 3774 3645 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 /14:1164 /15:2053 /16:13167 /17:8123 /18:13566 /19:24343 /20:43131 /21:51257 /22:110894 /23:99458 /24:580530 /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 6776 7693 UNI2-AS, ES 8151 5939 11826 UNINET, MX 11492 3539 4628 CABLEONE, US 6327 3396 3600 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2560 3421 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2163 3534 Telmex Colombia S.A., CO 30036 2150 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2138 10480 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2280 2:1503 3:413 4:6 5:4391 6:162 7:6 8:1520 9:1 11:172 12:1430 13:359 14:2361 15:326 16:258 17:363 18:859 20:407 21:4 22:188 23:6783 24:2697 25:2 27:2578 29:19 31:2651 32:44 34:68 35:138 36:2346 37:4520 38:8364 39:914 40:150 41:4112 42:1995 43:2401 44:331 45:17437 46:4575 47:300 49:2014 50:1842 51:579 52:1579 54:316 55:952 56:8 57:212 58:2163 59:1205 60:1060 61:2732 62:2759 63:1853 64:5448 65:2274 66:4628 67:3012 68:1344 69:4034 70:1153 71:555 72:2853 74:2638 75:1560 76:614 77:2505 78:1852 79:1777 80:2185 81:2024 82:1662 83:1364 84:1707 85:3167 86:969 87:2031 88:1248 89:4228 90:691 91:8189 92:2410 93:2713 94:3736 95:4207 96:1273 97:316 98:1051 99:736 100:73 101:1164 102:3344 103:32252 104:4478 105:699 106:982 107:2368 108:1165 109:4084 110:2141 111:3232 112:2059 113:1798 114:1847 115:2060 116:1951 117:2669 118:2829 119:1983 120:1797 121:1344 122:2691 123:2254 124:1611 125:2831 126:64 128:1358 129:935 130:1189 131:1863 132:809 133:428 134:1468 135:312 136:1134 137:1062 138:2862 139:1526 140:1442 141:1455 142:1668 143:1643 144:1021 145:361 146:2100 147:2029 148:2534 149:2806 150:1062 151:1354 152:2227 153:501 154:6544 155:1427 156:2403 157:1807 158:1182 159:2437 160:2995 161:1699 162:3543 163:1737 164:1689 165:2154 166:1272 167:1853 168:4047 169:807 170:4940 171:1034 172:3891 173:3072 174:900 175:1258 176:3459 177:4685 178:3643 179:2251 180:2450 181:3827 182:3331 183:1974 184:2262 185:20921 186:5003 187:4380 188:4100 189:4166 190:9512 191:1511 192:11051 193:9216 194:7477 195:5306 196:3209 197:2737 198:5893 199:8027 200:8046 201:6258 202:10211 203:10365 204:4532 205:3665 206:4466 207:3524 208:4162 209:5035 210:4495 211:2539 212:4404 213:3636 214:1065 215:49 216:6723 217:2944 218:1328 219:434 220:1815 221:1045 222:701 223:2225 End of report