IPv4 R&E Routing Table Report 23:05 GMT Fri 14 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: 945154 Prefixes after maximum aggregation (per Origin AS): 361586 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465078 Number of IPv4 prefixes with a valid ROA: 480690 Number of IPv4 prefixes with an invalid ROA: 1006 Number of IPv4 prefixes with no ROA: 463458 Total ASes present in the Internet Routing Table: 75705 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65156 Origin ASes announcing only one prefix: 26708 Transit ASes present in the Internet Routing Table: 10549 Transit-only ASes present in the Internet Routing Table: 514 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: 1012 Number of instances of unregistered ASNs: 1014 Number of 32-bit ASNs allocated by the RIRs: 44755 Number of 32-bit ASNs visible in the Routing Table: 36504 Prefixes from 32-bit ASNs in the Routing Table: 186951 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: 641 Number of addresses announced to Internet: 3023926272 Equivalent to 180 /8s, 61 /16s and 116 /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: 311331 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249065 Total APNIC prefixes after maximum aggregation: 73404 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241257 Unique aggregates announced from the APNIC address blocks: 100961 APNIC Region origin ASes present in the Internet Routing Table: 14098 APNIC Prefixes per ASN: 17.11 APNIC Region origin ASes announcing only one prefix: 4292 APNIC Region transit ASes present in the Internet Routing Table: 1874 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: 9556 Number of APNIC addresses announced to Internet: 761048320 Equivalent to 45 /8s, 92 /16s and 173 /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: 276086 Total ARIN prefixes after maximum aggregation: 125087 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280490 Unique aggregates announced from the ARIN address blocks: 134768 ARIN Region origin ASes present in the Internet Routing Table: 19098 ARIN Prefixes per ASN: 14.69 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1890 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: 1266690048 Equivalent to 75 /8s, 128 /16s and 40 /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: 265398 Total RIPE prefixes after maximum aggregation: 127422 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260301 Unique aggregates announced from the RIPE address blocks: 164870 RIPE Region origin ASes present in the Internet Routing Table: 28657 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12139 RIPE Region transit ASes present in the Internet Routing Table: 3903 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: 11833 Number of RIPE addresses announced to Internet: 713369600 Equivalent to 42 /8s, 133 /16s and 40 /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: 121961 Total LACNIC prefixes after maximum aggregation: 28787 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 120055 Unique aggregates announced from the LACNIC address blocks: 50306 LACNIC Region origin ASes present in the Internet Routing Table: 11101 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2380 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: 8990 Number of LACNIC addresses announced to Internet: 176737536 Equivalent to 10 /8s, 136 /16s and 205 /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: 31632 Total AfriNIC prefixes after maximum aggregation: 6208 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 42410 Unique aggregates announced from the AfriNIC address blocks: 13699 AfriNIC Region origin ASes present in the Internet Routing Table: 1843 AfriNIC Prefixes per ASN: 23.01 AfriNIC Region origin ASes announcing only one prefix: 662 AfriNIC Region transit ASes present in the Internet Routing Table: 348 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: 1207 Number of AfriNIC addresses announced to Internet: 105690624 Equivalent to 6 /8s, 76 /16s and 182 /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 9832 8743 69 CHINAMOBILE-CN China Mobile Communicati 7545 5640 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4203 347 24 UNASSIGNED 7552 3945 1331 21 UNASSIGNED 9498 3779 510 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3612 1043 64 UNASSIGNED 45899 3280 1857 105 UNASSIGNED 24560 2823 863 400 UNASSIGNED 4755 2199 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 10036 11410 3571 AMAZON-02, US 11492 4639 308 550 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3573 8782 869 COGENT-174, US 22773 3463 3040 216 ASN-CXA-ALL-CCI-22773-RDC, US 749 3251 54901 2503 UNASSIGNED 16625 3074 1313 2202 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 7731 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3808 3396 129 AKAMAI-ASN1, NL 9009 3595 306 1816 M247, RO 12389 2915 2294 869 ROSTELECOM-AS, RU 34984 2347 361 577 TELLCOM-AS, TR 8551 1773 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1688 123 1227 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 12173 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 1215 315 480 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 1614 389 16 LINKdotNET-AS, EG 24835 1540 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 557 1861 35 IAM-AS, MA 15399 526 56 56 WANANCHI-, KE 36914 480 82 3 KENET-AS, KE 37342 462 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 12173 3324 507 UNINET, MX 16509 10036 11410 3571 AMAZON-02, US 9808 9832 8743 69 CHINAMOBILE-CN China Mobile Communicati 12479 7731 1708 145 UNI2-AS, ES 7545 5640 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4639 308 550 CABLEONE, US 18403 4203 347 24 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 9832 9763 CHINAMOBILE-CN China Mobile Communications Grou 12479 7731 7586 UNI2-AS, ES 16509 10036 6465 AMAZON-02, US 7545 5640 4969 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4203 4179 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 /14:1165 /15:2050 /16:13198 /17:8138 /18:13578 /19:24337 /20:43087 /21:51141 /22:110826 /23:99156 /24:577445 /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 6819 7731 UNI2-AS, ES 8151 6218 12173 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 2570 3463 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2163 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2147 3518 Telmex Colombia S.A., CO 16509 2145 10036 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2295 2:1531 3:349 4:6 5:4563 6:162 7:6 8:1508 9:1 11:172 12:1455 13:356 14:2370 15:316 16:217 17:367 18:771 20:378 21:4 22:188 23:6828 24:2702 25:2 27:2560 29:19 31:2572 32:45 34:65 35:135 36:2316 37:4469 38:7652 39:897 40:142 41:4143 42:2030 43:2350 44:324 45:17124 46:4494 47:305 49:1956 50:1884 51:579 52:1581 54:313 55:915 56:8 57:203 58:2075 59:1195 60:1034 61:2627 62:2716 63:1883 64:5489 65:2308 66:4607 67:2990 68:1303 69:4105 70:1175 71:571 72:2875 74:2592 75:1546 76:622 77:2486 78:1862 79:1783 80:2180 81:1986 82:1628 83:1355 84:1678 85:3173 86:913 87:2031 88:1218 89:4137 90:678 91:8141 92:2307 93:2711 94:3727 95:4194 96:1277 97:316 98:1039 99:740 100:73 101:1164 102:3473 103:32340 104:4774 105:679 106:991 107:2597 108:1146 109:4040 110:2140 111:3245 112:2050 113:1792 114:1809 115:2063 116:1875 117:2652 118:2792 119:1989 120:1776 121:1299 122:2680 123:2211 124:1608 125:2847 126:32 128:1404 129:918 130:1152 131:1839 132:803 133:412 134:1733 135:323 136:1112 137:1051 138:2823 139:1531 140:1387 141:1362 142:1660 143:1591 144:1012 145:370 146:2074 147:1971 148:2537 149:2749 150:1031 151:1355 152:2213 153:523 154:6861 155:1497 156:2268 157:1849 158:1158 159:2312 160:2709 161:1697 162:3565 163:1703 164:1661 165:2159 166:1272 167:1805 168:4013 169:795 170:4905 171:1026 172:3859 173:3054 174:890 175:1233 176:3466 177:4787 178:3674 179:2190 180:2406 181:3762 182:3358 183:1983 184:2261 185:20819 186:4998 187:4490 188:4072 189:4292 190:9440 191:1520 192:10985 193:9132 194:7510 195:5310 196:3184 197:2605 198:5909 199:7920 200:8031 201:6330 202:10171 203:10165 204:4563 205:3633 206:4422 207:3495 208:4155 209:5026 210:4399 211:2527 212:4320 213:3491 214:1060 215:49 216:6770 217:3025 218:1295 219:412 220:1817 221:1038 222:695 223:2218 End of report