IPv4 R&E Routing Table Report 23:05 GMT Sat 21 Sep, 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: 951915 Prefixes after maximum aggregation (per Origin AS): 364880 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466262 Number of IPv4 prefixes with a valid ROA: 498899 Number of IPv4 prefixes with an invalid ROA: 1297 Number of IPv4 prefixes with no ROA: 451719 Total ASes present in the Internet Routing Table: 75979 Prefixes per ASN: 12.53 Origin-only ASes present in the Internet Routing Table: 65260 Origin ASes announcing only one prefix: 26753 Transit ASes present in the Internet Routing Table: 10719 Transit-only ASes present in the Internet Routing Table: 511 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 964 Number of instances of unregistered ASNs: 971 Number of 32-bit ASNs allocated by the RIRs: 45398 Number of 32-bit ASNs visible in the Routing Table: 37005 Prefixes from 32-bit ASNs in the Routing Table: 191296 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 540 Number of addresses announced to Internet: 3033873408 Equivalent to 180 /8s, 213 /16s and 60 /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: 312349 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251657 Total APNIC prefixes after maximum aggregation: 74796 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 243356 Unique aggregates announced from the APNIC address blocks: 100667 APNIC Region origin ASes present in the Internet Routing Table: 14262 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4341 APNIC Region transit ASes present in the Internet Routing Table: 1889 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9744 Number of APNIC addresses announced to Internet: 761669120 Equivalent to 45 /8s, 102 /16s and 38 /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: 279074 Total ARIN prefixes after maximum aggregation: 125791 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 282635 Unique aggregates announced from the ARIN address blocks: 135176 ARIN Region origin ASes present in the Internet Routing Table: 19111 ARIN Prefixes per ASN: 14.79 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1916 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5000 Number of ARIN addresses announced to Internet: 1266824192 Equivalent to 75 /8s, 130 /16s and 52 /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: 266030 Total RIPE prefixes after maximum aggregation: 128738 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 262697 Unique aggregates announced from the RIPE address blocks: 167155 RIPE Region origin ASes present in the Internet Routing Table: 28685 RIPE Prefixes per ASN: 9.16 RIPE Region origin ASes announcing only one prefix: 12098 RIPE Region transit ASes present in the Internet Routing Table: 3913 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11964 Number of RIPE addresses announced to Internet: 723216640 Equivalent to 43 /8s, 27 /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: 122029 Total LACNIC prefixes after maximum aggregation: 28683 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 119842 Unique aggregates announced from the LACNIC address blocks: 48490 LACNIC Region origin ASes present in the Internet Routing Table: 11150 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2473 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9054 Number of LACNIC addresses announced to Internet: 177683456 Equivalent to 10 /8s, 151 /16s and 60 /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: 32161 Total AfriNIC prefixes after maximum aggregation: 6243 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 42845 Unique aggregates announced from the AfriNIC address blocks: 14313 AfriNIC Region origin ASes present in the Internet Routing Table: 1880 AfriNIC Prefixes per ASN: 22.79 AfriNIC Region origin ASes announcing only one prefix: 680 AfriNIC Region transit ASes present in the Internet Routing Table: 360 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1243 Number of AfriNIC addresses announced to Internet: 104183808 Equivalent to 6 /8s, 53 /16s and 184 /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 10045 8750 69 CHINAMOBILE-CN China Mobile Communication 7545 5767 840 660 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4363 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3987 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3793 507 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3641 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2819 849 466 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2211 434 196 TATACOMM-AS TATA Communications formerly 45090 2208 1439 86 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 10719 11809 3771 AMAZON-02, US 11492 4644 309 546 CABLEONE, US 7155 4168 287 88 VIASAT-SP-BACKBONE, US 174 3995 8780 912 COGENT-174, US 6327 3602 1320 79 SHAW, CA 749 3484 55081 2707 DNIC-AS-00749, US 22773 3408 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3101 23686 1941 ATT-INTERNET4, US 396982 2830 3603 428 GOOGLE-CLOUD-PLATFORM, US 16625 2793 1234 2103 AKAMAI-AS, 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 7637 1708 145 UNI2-AS, ES 39891 4602 278 58 ALJAWWALSTC-AS, SA 20940 3784 3395 125 AKAMAI-ASN1, NL 9009 3670 312 1875 M247, RO 12389 2858 2283 864 ROSTELECOM-AS, RU 34984 2331 357 582 TELLCOM-AS, TR 212238 1788 129 1324 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1581 1852 14 TE-AS TE-AS, EG 8551 1458 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11713 3255 495 UNINET, MX 10620 3543 494 935 Telmex Colombia S.A., CO 13999 2554 534 365 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad y 28573 1337 2309 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 782 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1148 374 163 Axtel, S.A.B. de C.V., MX 6147 1102 369 22 Telefonica del Peru S.A.A., PE 22884 1067 98 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1044 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 24835 1622 593 29 RAYA-AS, EG 24863 1609 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1341 85 63 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 975 523 48 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 524 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 15399 509 57 58 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 11713 3255 495 UNINET, MX 16509 10719 11809 3771 AMAZON-02, US 9808 10045 8750 69 CHINAMOBILE-CN China Mobile Communication 12479 7637 1708 145 UNI2-AS, ES 7545 5767 840 660 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4644 309 546 CABLEONE, US 39891 4602 278 58 ALJAWWALSTC-AS, SA 18403 4363 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 287 88 VIASAT-SP-BACKBONE, US 174 3995 8780 912 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 10045 9976 CHINAMOBILE-CN China Mobile Communications Grou 12479 7637 7492 UNI2-AS, ES 16509 10719 6948 AMAZON-02, US 7545 5767 5107 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4602 4544 ALJAWWALSTC-AS, SA 18403 4363 4340 FPT-AS-AP FPT Telecom Company, VN 11492 4644 4098 CABLEONE, US 7155 4168 4080 VIASAT-SP-BACKBONE, US 7552 3987 3962 VIETEL-AS-AP Viettel Group, VN 20940 3784 3659 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: 3491 CONSOLE-CONNECT-ASN, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /11:92 /12:295 /13:575 /14:1168 /15:2064 /16:13185 /17:8139 /18:13603 /19:24249 /20:43439 /21:51362 /22:111040 /23:99416 /24:583211 /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 6681 7637 UNI2-AS, ES 8151 5875 11713 UNINET, MX 11492 3554 4644 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3364 4602 ALJAWWALSTC-AS, SA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2542 3408 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2172 3543 Telmex Colombia S.A., CO 16509 2172 10719 AMAZON-02, US 30036 2163 2502 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2266 2:1447 3:470 4:8 5:4469 6:161 7:6 8:1509 9:1 11:172 12:1426 13:371 14:2384 15:328 16:261 17:360 18:886 20:408 21:4 22:188 23:6847 24:2681 25:2 27:2632 29:19 31:2728 32:44 34:68 35:139 36:2359 37:4524 38:8578 39:916 40:154 41:4138 42:2041 43:2409 44:327 45:17443 46:4622 47:299 49:1997 50:1873 51:579 52:1581 54:317 55:965 56:8 57:219 58:2166 59:1198 60:1076 61:2762 62:2771 63:1845 64:5438 65:2277 66:4646 67:3020 68:1334 69:3988 70:1132 71:568 72:2856 74:2776 75:1633 76:619 77:2549 78:1851 79:1631 80:2193 81:2004 82:1691 83:1369 84:1753 85:3107 86:1000 87:2061 88:1254 89:4305 90:679 91:8245 92:2489 93:2757 94:3786 95:4271 96:1274 97:316 98:1074 99:737 100:73 101:1161 102:3381 103:32190 104:4445 105:708 106:985 107:2367 108:1157 109:3966 110:2145 111:3306 112:2049 113:1776 114:1891 115:2085 116:1960 117:2677 118:2857 119:1988 120:1870 121:1348 122:2692 123:2138 124:1620 125:2818 126:64 128:1364 129:929 130:1225 131:1843 132:807 133:444 134:1506 135:310 136:1200 137:1062 138:2838 139:1512 140:1453 141:1449 142:1751 143:1607 144:1024 145:371 146:2079 147:2036 148:2543 149:2790 150:1069 151:1366 152:2094 153:501 154:6514 155:1499 156:2459 157:1820 158:1193 159:2441 160:3089 161:1728 162:3563 163:1750 164:1939 165:2139 166:1307 167:1831 168:4038 169:781 170:4939 171:1035 172:3901 173:3095 174:903 175:1251 176:3451 177:4807 178:3595 179:2183 180:2435 181:3885 182:3312 183:2058 184:2257 185:21023 186:4994 187:4280 188:4174 189:4144 190:9621 191:1494 192:11048 193:9236 194:7554 195:5398 196:3211 197:2707 198:5915 199:8120 200:8099 201:6324 202:10220 203:10356 204:4573 205:3643 206:4444 207:3545 208:4170 209:5100 210:4494 211:2558 212:4435 213:3657 214:1069 215:62 216:6638 217:2938 218:1322 219:389 220:2041 221:1046 222:713 223:2233 End of report