IPv4 R&E Routing Table Report 23:05 GMT Tue 18 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: 944654 Prefixes after maximum aggregation (per Origin AS): 361406 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464930 Number of IPv4 prefixes with a valid ROA: 480550 Number of IPv4 prefixes with an invalid ROA: 1003 Number of IPv4 prefixes with no ROA: 463101 Total ASes present in the Internet Routing Table: 75718 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65143 Origin ASes announcing only one prefix: 26706 Transit ASes present in the Internet Routing Table: 10575 Transit-only ASes present in the Internet Routing Table: 513 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: 1000 Number of instances of unregistered ASNs: 1002 Number of 32-bit ASNs allocated by the RIRs: 44780 Number of 32-bit ASNs visible in the Routing Table: 36531 Prefixes from 32-bit ASNs in the Routing Table: 186747 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: 611 Number of addresses announced to Internet: 3023905536 Equivalent to 180 /8s, 61 /16s and 35 /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: 310656 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249090 Total APNIC prefixes after maximum aggregation: 73432 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241265 Unique aggregates announced from the APNIC address blocks: 101016 APNIC Region origin ASes present in the Internet Routing Table: 14109 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4294 APNIC Region transit ASes present in the Internet Routing Table: 1877 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9567 Number of APNIC addresses announced to Internet: 760998656 Equivalent to 45 /8s, 91 /16s and 235 /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: 276032 Total ARIN prefixes after maximum aggregation: 124976 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280407 Unique aggregates announced from the ARIN address blocks: 134636 ARIN Region origin ASes present in the Internet Routing Table: 19097 ARIN Prefixes per ASN: 14.68 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1895 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: 4920 Number of ARIN addresses announced to Internet: 1266836480 Equivalent to 75 /8s, 130 /16s and 100 /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: 265394 Total RIPE prefixes after maximum aggregation: 127359 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260333 Unique aggregates announced from the RIPE address blocks: 164928 RIPE Region origin ASes present in the Internet Routing Table: 28669 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12150 RIPE Region transit ASes present in the Internet Routing Table: 3911 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: 11852 Number of RIPE addresses announced to Internet: 713371904 Equivalent to 42 /8s, 133 /16s and 49 /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: 121436 Total LACNIC prefixes after maximum aggregation: 28758 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119542 Unique aggregates announced from the LACNIC address blocks: 50199 LACNIC Region origin ASes present in the Internet Routing Table: 11093 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2633 LACNIC Region transit ASes present in the Internet Routing Table: 2381 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: 8984 Number of LACNIC addresses announced to Internet: 176682752 Equivalent to 10 /8s, 135 /16s and 247 /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: 31702 Total AfriNIC prefixes after maximum aggregation: 6211 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 42496 Unique aggregates announced from the AfriNIC address blocks: 13697 AfriNIC Region origin ASes present in the Internet Routing Table: 1846 AfriNIC Prefixes per ASN: 23.02 AfriNIC Region origin ASes announcing only one prefix: 666 AfriNIC Region transit ASes present in the Internet Routing Table: 351 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: 1208 Number of AfriNIC addresses announced to Internet: 105632256 Equivalent to 6 /8s, 75 /16s and 210 /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 9845 8744 71 CHINAMOBILE-CN China Mobile Communicati 7545 5641 776 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4213 347 23 UNASSIGNED 7552 3954 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 2200 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 10058 11427 3565 AMAZON-02, US 11492 4640 308 549 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3580 8783 864 COGENT-174, US 22773 3461 3039 215 ASN-CXA-ALL-CCI-22773-RDC, US 749 3251 54901 2503 UNASSIGNED 16625 3020 1311 2189 AKAMAI-AS, US 7018 2875 23667 1807 ATT-INTERNET4, US 396982 2767 3620 415 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 7721 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3810 3396 131 AKAMAI-ASN1, NL 9009 3580 305 1805 M247, RO 12389 2915 2294 869 ROSTELECOM-AS, RU 34984 2346 361 577 TELLCOM-AS, TR 8551 1773 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1695 123 1231 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1528 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 11885 3302 500 UNINET, MX 10620 3518 492 938 Telmex Colombia S.A., CO 13999 2547 354 671 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1344 2308 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1250 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1125 314 478 Axtel, S.A.B. de C.V., MX 6147 1091 369 22 Telefonica del Peru S.A.A., PE 26615 1078 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 20 LINKdotNET-AS, EG 24835 1570 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 940 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 15399 526 56 56 WANANCHI-, KE 36914 482 82 3 KENET-AS, KE 37342 466 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 11885 3302 500 UNINET, MX 16509 10058 11427 3565 AMAZON-02, US 9808 9845 8744 71 CHINAMOBILE-CN China Mobile Communicati 12479 7721 1708 145 UNI2-AS, ES 7545 5641 776 671 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4640 308 549 CABLEONE, US 18403 4213 347 23 UNASSIGNED 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3954 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 9845 9774 CHINAMOBILE-CN China Mobile Communications Grou 12479 7721 7576 UNI2-AS, ES 16509 10058 6493 AMAZON-02, US 7545 5641 4970 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4213 4190 UNASSIGNED 11492 4640 4091 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3954 3933 UNASSIGNED 20940 3810 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 23.170.224.0/24 Origin: 30168 UNASSIGNED 23.170.224.0/24 Transit: 397095 SETSONLLC, US 23.189.192.0/24 Origin: 27593 UNASSIGNED 23.189.192.0/24 Transit: 174 COGENT-174, 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 /14:1169 /15:2058 /16:13206 /17:8137 /18:13581 /19:24322 /20:43106 /21:51162 /22:110747 /23:99034 /24:577099 /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 6809 7721 UNI2-AS, ES 8151 5933 11885 UNINET, MX 11492 3547 4640 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2569 3461 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2490 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2147 3518 Telmex Colombia S.A., CO 16509 2137 10058 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2293 2:1495 3:351 4:6 5:4573 6:162 7:6 8:1509 9:1 11:172 12:1455 13:357 14:2367 15:316 16:217 17:367 18:774 20:385 21:4 22:188 23:6831 24:2688 25:2 27:2562 29:19 31:2574 32:45 34:65 35:134 36:2333 37:4462 38:7655 39:897 40:143 41:4114 42:2022 43:2338 44:328 45:17112 46:4500 47:305 49:1957 50:1868 51:580 52:1581 54:316 55:915 56:8 57:203 58:2078 59:1194 60:1035 61:2624 62:2737 63:1883 64:5475 65:2310 66:4606 67:2986 68:1300 69:4112 70:1175 71:573 72:2875 74:2593 75:1546 76:620 77:2484 78:1862 79:1781 80:2183 81:2013 82:1637 83:1357 84:1678 85:3171 86:914 87:2019 88:1218 89:4146 90:683 91:8121 92:2309 93:2709 94:3720 95:4184 96:1277 97:316 98:1024 99:740 100:73 101:1164 102:3485 103:32324 104:4780 105:702 106:992 107:2480 108:1144 109:4039 110:2141 111:3251 112:2046 113:1804 114:1809 115:2061 116:1870 117:2655 118:2788 119:1986 120:1776 121:1298 122:2679 123:2212 124:1610 125:2851 126:32 128:1406 129:916 130:1156 131:1867 132:809 133:412 134:1733 135:322 136:1111 137:1051 138:2824 139:1516 140:1390 141:1364 142:1658 143:1567 144:1008 145:369 146:2080 147:1974 148:2527 149:2730 150:1031 151:1360 152:2213 153:522 154:6930 155:1491 156:2273 157:1849 158:1153 159:2314 160:2718 161:1714 162:3547 163:1696 164:1681 165:2158 166:1267 167:1808 168:4022 169:793 170:4914 171:1027 172:3852 173:3042 174:890 175:1233 176:3468 177:4673 178:3679 179:2199 180:2405 181:3759 182:3345 183:1984 184:2260 185:20828 186:4984 187:4392 188:4070 189:4182 190:9446 191:1489 192:10995 193:9146 194:7506 195:5293 196:3178 197:2644 198:5902 199:7940 200:8069 201:6341 202:10201 203:10161 204:4565 205:3640 206:4427 207:3488 208:4144 209:5029 210:4402 211:2529 212:4328 213:3489 214:1055 215:49 216:6753 217:3041 218:1291 219:414 220:1813 221:1038 222:684 223:2218 End of report