IPv4 R&E Routing Table Report 23:05 GMT Sat 15 Jun, 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: 945272 Prefixes after maximum aggregation (per Origin AS): 361618 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464943 Number of IPv4 prefixes with a valid ROA: 480694 Number of IPv4 prefixes with an invalid ROA: 1008 Number of IPv4 prefixes with no ROA: 463570 Total ASes present in the Internet Routing Table: 75719 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65173 Origin ASes announcing only one prefix: 26710 Transit ASes present in the Internet Routing Table: 10546 Transit-only ASes present in the Internet Routing Table: 508 Paths with bogon ASNs present in the IPv4 Routing Table: 14 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: 1005 Number of instances of unregistered ASNs: 1007 Number of 32-bit ASNs allocated by the RIRs: 44765 Number of 32-bit ASNs visible in the Routing Table: 36529 Prefixes from 32-bit ASNs in the Routing Table: 187148 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 631 Number of addresses announced to Internet: 3024186368 Equivalent to 180 /8s, 65 /16s and 108 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 311386 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249130 Total APNIC prefixes after maximum aggregation: 73460 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241297 Unique aggregates announced from the APNIC address blocks: 100975 APNIC Region origin ASes present in the Internet Routing Table: 14111 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4293 APNIC Region transit ASes present in the Internet Routing Table: 1872 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9570 Number of APNIC addresses announced to Internet: 761030912 Equivalent to 45 /8s, 92 /16s and 105 /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: 276090 Total ARIN prefixes after maximum aggregation: 125091 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280535 Unique aggregates announced from the ARIN address blocks: 134774 ARIN Region origin ASes present in the Internet Routing Table: 19099 ARIN Prefixes per ASN: 14.69 ARIN Region origin ASes announcing only one prefix: 6956 ARIN Region transit ASes present in the Internet Routing Table: 1888 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: 4918 Number of ARIN addresses announced to Internet: 1266675712 Equivalent to 75 /8s, 127 /16s and 240 /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: 265429 Total RIPE prefixes after maximum aggregation: 127438 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260300 Unique aggregates announced from the RIPE address blocks: 164866 RIPE Region origin ASes present in the Internet Routing Table: 28672 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12152 RIPE Region transit ASes present in the Internet Routing Table: 3909 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11845 Number of RIPE addresses announced to Internet: 713762048 Equivalent to 42 /8s, 139 /16s and 37 /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: 121894 Total LACNIC prefixes after maximum aggregation: 28759 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 119997 Unique aggregates announced from the LACNIC address blocks: 50262 LACNIC Region origin ASes present in the Internet Routing Table: 11094 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2648 LACNIC Region transit ASes present in the Internet Routing Table: 2374 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8987 Number of LACNIC addresses announced to Internet: 176719104 Equivalent to 10 /8s, 136 /16s and 133 /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: 31724 Total AfriNIC prefixes after maximum aggregation: 6193 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 42512 Unique aggregates announced from the AfriNIC address blocks: 13592 AfriNIC Region origin ASes present in the Internet Routing Table: 1842 AfriNIC Prefixes per ASN: 23.08 AfriNIC Region origin ASes announcing only one prefix: 661 AfriNIC Region transit ASes present in the Internet Routing Table: 352 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1209 Number of AfriNIC addresses announced to Internet: 105673728 Equivalent to 6 /8s, 76 /16s and 116 /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 9833 8743 69 CHINAMOBILE-CN China Mobile Communicati 7545 5641 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4193 347 23 UNASSIGNED 7552 3945 1331 21 UNASSIGNED 9498 3779 510 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3612 1043 64 UNASSIGNED 45899 3279 1857 105 UNASSIGNED 24560 2823 863 400 UNASSIGNED 4755 2198 434 199 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 10029 11411 3588 AMAZON-02, US 11492 4639 308 550 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3580 8783 870 COGENT-174, US 22773 3462 3039 215 ASN-CXA-ALL-CCI-22773-RDC, US 749 3251 54901 2503 UNASSIGNED 16625 3056 1307 2191 AKAMAI-AS, US 7018 2879 23667 1811 ATT-INTERNET4, US 396982 2760 3620 409 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 7728 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3808 3396 129 AKAMAI-ASN1, NL 9009 3590 306 1813 M247, RO 12389 2915 2294 869 ROSTELECOM-AS, RU 34984 2347 361 577 TELLCOM-AS, TR 8551 1775 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1693 123 1229 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1527 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 12175 3324 507 UNINET, MX 10620 3518 492 938 Telmex Colombia S.A., CO 13999 2545 354 672 Mega Cable, S.A. de C.V., MX 11830 2002 369 64 Instituto Costarricense de Electricidad 28573 1344 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1249 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 6147 1092 369 22 Telefonica del Peru S.A.A., PE 26615 1076 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 1612 389 16 LINKdotNET-AS, EG 24835 1557 593 29 RAYA-AS, EG 36992 1380 1520 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1219 77 73 ORANGE-COTE-IVOIRE, CI 36935 939 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 15399 526 56 56 WANANCHI-, KE 36914 470 82 3 KENET-AS, KE 37342 467 32 1 MOVITEL, MZ 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 12175 3324 507 UNINET, MX 16509 10029 11411 3588 AMAZON-02, US 9808 9833 8743 69 CHINAMOBILE-CN China Mobile Communicati 12479 7728 1708 145 UNI2-AS, ES 7545 5641 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4639 308 550 CABLEONE, US 18403 4193 347 23 UNASSIGNED 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3945 1331 21 UNASSIGNED 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 9833 9764 CHINAMOBILE-CN China Mobile Communications Grou 12479 7728 7583 UNI2-AS, ES 16509 10029 6441 AMAZON-02, US 7545 5641 4969 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4193 4170 UNASSIGNED 11492 4639 4089 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3945 3924 UNASSIGNED 20940 3808 3679 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 3356 LEVEL3, 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 BTN-ASN, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.167.48.0/24 Origin: 23379 UNASSIGNED 23.167.48.0/24 Transit: 12956 TELXIUS TELXIUS Cable, ES 23.170.224.0/24 Origin: 30168 UNASSIGNED 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /9:14 /10:36 /11:93 /12:297 /13:569 /14:1166 /15:2051 /16:13197 /17:8139 /18:13572 /19:24336 /20:43086 /21:51152 /22:110865 /23:99209 /24:577466 /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 6816 7728 UNI2-AS, ES 8151 6216 12175 UNINET, MX 11492 3546 4639 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2569 3462 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2163 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2147 3518 Telmex Colombia S.A., CO 16509 2133 10029 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2289 2:1530 3:349 4:6 5:4566 6:162 7:6 8:1508 9:1 11:172 12:1455 13:356 14:2369 15:316 16:217 17:367 18:771 20:383 21:4 22:188 23:6826 24:2701 25:2 27:2559 29:19 31:2573 32:45 34:65 35:135 36:2316 37:4470 38:7651 39:897 40:142 41:4151 42:2028 43:2346 44:324 45:17126 46:4485 47:305 49:1957 50:1883 51:579 52:1581 54:314 55:915 56:8 57:203 58:2075 59:1195 60:1034 61:2626 62:2737 63:1882 64:5489 65:2305 66:4608 67:2990 68:1304 69:4105 70:1175 71:571 72:2875 74:2590 75:1546 76:622 77:2487 78:1861 79:1784 80:2176 81:1997 82:1630 83:1355 84:1677 85:3172 86:912 87:2031 88:1218 89:4135 90:678 91:8143 92:2307 93:2711 94:3728 95:4192 96:1277 97:316 98:1040 99:740 100:73 101:1164 102:3479 103:32363 104:4776 105:702 106:991 107:2596 108:1146 109:4038 110:2139 111:3249 112:2050 113:1793 114:1809 115:2061 116:1876 117:2652 118:2791 119:1988 120:1776 121:1298 122:2673 123:2211 124:1608 125:2847 126:32 128:1404 129:918 130:1151 131:1850 132:810 133:412 134:1732 135:323 136:1112 137:1050 138:2822 139:1532 140:1385 141:1359 142:1660 143:1586 144:1009 145:370 146:2072 147:1971 148:2489 149:2750 150:1032 151:1356 152:2212 153:523 154:6871 155:1494 156:2267 157:1846 158:1158 159:2304 160:2714 161:1700 162:3556 163:1701 164:1661 165:2159 166:1271 167:1802 168:4008 169:793 170:4916 171:1026 172:3856 173:3055 174:890 175:1233 176:3465 177:4799 178:3671 179:2226 180:2403 181:3761 182:3358 183:1981 184:2261 185:20803 186:4965 187:4479 188:4073 189:4279 190:9439 191:1523 192:10995 193:9134 194:7506 195:5306 196:3185 197:2623 198:5912 199:7929 200:8003 201:6325 202:10190 203:10162 204:4565 205:3656 206:4425 207:3485 208:4154 209:5026 210:4402 211:2527 212:4319 213:3492 214:1061 215:48 216:6773 217:3032 218:1295 219:412 220:1817 221:1038 222:695 223:2219 End of report