IPv4 R&E Routing Table Report 23:05 GMT Tue 20 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: 948911 Prefixes after maximum aggregation (per Origin AS): 363032 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464985 Number of IPv4 prefixes with a valid ROA: 492936 Number of IPv4 prefixes with an invalid ROA: 1203 Number of IPv4 prefixes with no ROA: 454772 Total ASes present in the Internet Routing Table: 75873 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 65232 Origin ASes announcing only one prefix: 26734 Transit ASes present in the Internet Routing Table: 10641 Transit-only ASes present in the Internet Routing Table: 508 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: 972 Number of instances of unregistered ASNs: 985 Number of 32-bit ASNs allocated by the RIRs: 45200 Number of 32-bit ASNs visible in the Routing Table: 36858 Prefixes from 32-bit ASNs in the Routing Table: 190651 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: 611 Number of addresses announced to Internet: 3033595392 Equivalent to 180 /8s, 208 /16s and 254 /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: 311951 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250777 Total APNIC prefixes after maximum aggregation: 74484 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 242786 Unique aggregates announced from the APNIC address blocks: 102089 APNIC Region origin ASes present in the Internet Routing Table: 14224 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: 9695 Number of APNIC addresses announced to Internet: 761466368 Equivalent to 45 /8s, 99 /16s and 14 /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: 277269 Total ARIN prefixes after maximum aggregation: 125243 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281394 Unique aggregates announced from the ARIN address blocks: 134413 ARIN Region origin ASes present in the Internet Routing Table: 19085 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1887 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: 1266328832 Equivalent to 75 /8s, 122 /16s and 165 /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: 265707 Total RIPE prefixes after maximum aggregation: 128141 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261404 Unique aggregates announced from the RIPE address blocks: 166029 RIPE Region origin ASes present in the Internet Routing Table: 28658 RIPE Prefixes per ASN: 9.12 RIPE Region origin ASes announcing only one prefix: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3908 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: 11923 Number of RIPE addresses announced to Internet: 722757888 Equivalent to 43 /8s, 20 /16s and 105 /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: 121941 Total LACNIC prefixes after maximum aggregation: 28115 LACNIC Deaggregation factor: 4.34 Prefixes being announced from the LACNIC address blocks: 119830 Unique aggregates announced from the LACNIC address blocks: 47455 LACNIC Region origin ASes present in the Internet Routing Table: 11144 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2434 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: 9049 Number of LACNIC addresses announced to Internet: 178271232 Equivalent to 10 /8s, 160 /16s and 52 /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: 32245 Total AfriNIC prefixes after maximum aggregation: 6412 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 42886 Unique aggregates announced from the AfriNIC address blocks: 14478 AfriNIC Region origin ASes present in the Internet Routing Table: 1869 AfriNIC Prefixes per ASN: 22.95 AfriNIC Region origin ASes announcing only one prefix: 682 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: 1231 Number of AfriNIC addresses announced to Internet: 104446208 Equivalent to 6 /8s, 57 /16s and 185 /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 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5702 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4299 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 3639 1043 68 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3247 1841 102 VNPT-AS-VN VNPT Corp, VN 24560 2802 843 474 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2201 434 199 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 10497 11710 3741 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3967 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 2962 23675 1860 ATT-INTERNET4, US 16625 2930 1250 2118 AKAMAI-AS, US 396982 2782 3567 419 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 7702 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3750 3396 129 AKAMAI-ASN1, NL 9009 3661 312 1857 M247, RO 12389 2860 2291 857 ROSTELECOM-AS, RU 34984 2330 359 584 TELLCOM-AS, TR 8551 1785 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1746 125 1279 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1557 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 11816 3291 512 UNINET, MX 10620 3534 493 929 Telmex Colombia S.A., CO 13999 2556 629 22 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad y 28573 1338 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 777 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 19037 1088 278 31 AMX Argentina S.A., AR 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 542 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 15399 509 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 11816 3291 512 UNINET, MX 16509 10497 11710 3741 AMAZON-02, US 9808 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7702 1708 145 UNI2-AS, ES 7545 5702 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4299 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3967 8783 903 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 9899 9824 CHINAMOBILE-CN China Mobile Communications Grou 12479 7702 7557 UNI2-AS, ES 16509 10497 6756 AMAZON-02, US 7545 5702 5043 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4299 4276 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 3750 3621 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 /16:13165 /17:8133 /18:13548 /19:24333 /20:43113 /21:51202 /22:110824 /23:99415 /24:580919 /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 6784 7702 UNI2-AS, ES 8151 5930 11816 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 2163 3534 Telmex Colombia S.A., CO 30036 2152 2490 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2130 10497 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2279 2:1500 3:432 4:6 5:4438 6:162 7:6 8:1513 9:1 11:172 12:1428 13:360 14:2364 15:326 16:259 17:362 18:863 20:407 21:4 22:188 23:6768 24:2699 25:2 27:2575 29:19 31:2662 32:46 34:68 35:138 36:2346 37:4503 38:8359 39:917 40:150 41:4080 42:1999 43:2409 44:332 45:17452 46:4595 47:299 49:2018 50:1849 51:579 52:1574 54:318 55:927 56:8 57:212 58:2157 59:1206 60:1056 61:2733 62:2778 63:1853 64:5454 65:2277 66:4631 67:3010 68:1341 69:4047 70:1153 71:555 72:2852 74:2635 75:1559 76:616 77:2506 78:1852 79:1781 80:2179 81:2015 82:1657 83:1363 84:1705 85:3172 86:968 87:2033 88:1246 89:4235 90:691 91:8197 92:2417 93:2715 94:3730 95:4201 96:1273 97:316 98:1049 99:734 100:73 101:1165 102:3520 103:32301 104:4481 105:700 106:985 107:2372 108:1165 109:4075 110:2135 111:3234 112:2053 113:1800 114:1850 115:2062 116:1954 117:2672 118:2868 119:1980 120:1798 121:1343 122:2686 123:2256 124:1604 125:2832 126:64 128:1352 129:935 130:1184 131:1873 132:813 133:428 134:1466 135:309 136:1137 137:1066 138:2880 139:1530 140:1438 141:1450 142:1670 143:1614 144:1015 145:362 146:2091 147:2017 148:2537 149:2805 150:1060 151:1354 152:2102 153:501 154:6560 155:1422 156:2405 157:1809 158:1181 159:2441 160:3008 161:1707 162:3544 163:1734 164:1680 165:2143 166:1274 167:1842 168:4046 169:809 170:4934 171:1035 172:3886 173:3073 174:900 175:1256 176:3451 177:4722 178:3634 179:2221 180:2452 181:3833 182:3334 183:1995 184:2261 185:20942 186:4995 187:4338 188:4097 189:4123 190:9505 191:1496 192:11052 193:9213 194:7462 195:5315 196:3220 197:3011 198:5917 199:8039 200:8042 201:6317 202:10218 203:10367 204:4538 205:3598 206:4472 207:3522 208:4166 209:5038 210:4491 211:2543 212:4406 213:3635 214:1051 215:48 216:6716 217:2943 218:1329 219:434 220:1815 221:1046 222:701 223:2228 End of report