IPv4 R&E Routing Table Report 23:05 GMT Sat 22 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: 944712 Prefixes after maximum aggregation (per Origin AS): 361634 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464971 Number of IPv4 prefixes with a valid ROA: 480661 Number of IPv4 prefixes with an invalid ROA: 1132 Number of IPv4 prefixes with no ROA: 462919 Total ASes present in the Internet Routing Table: 75746 Prefixes per ASN: 12.47 Origin-only ASes present in the Internet Routing Table: 65152 Origin ASes announcing only one prefix: 26704 Transit ASes present in the Internet Routing Table: 10594 Transit-only ASes present in the Internet Routing Table: 511 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: 998 Number of instances of unregistered ASNs: 1000 Number of 32-bit ASNs allocated by the RIRs: 44835 Number of 32-bit ASNs visible in the Routing Table: 36564 Prefixes from 32-bit ASNs in the Routing Table: 186817 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: 558 Number of addresses announced to Internet: 3023394304 Equivalent to 180 /8s, 53 /16s and 86 /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: 310749 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249052 Total APNIC prefixes after maximum aggregation: 73419 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241227 Unique aggregates announced from the APNIC address blocks: 101102 APNIC Region origin ASes present in the Internet Routing Table: 14122 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4299 APNIC Region transit ASes present in the Internet Routing Table: 1886 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: 9589 Number of APNIC addresses announced to Internet: 761004032 Equivalent to 45 /8s, 92 /16s and 0 /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: 276213 Total ARIN prefixes after maximum aggregation: 125002 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280673 Unique aggregates announced from the ARIN address blocks: 134585 ARIN Region origin ASes present in the Internet Routing Table: 19104 ARIN Prefixes per ASN: 14.69 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1889 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: 4922 Number of ARIN addresses announced to Internet: 1266404096 Equivalent to 75 /8s, 123 /16s and 203 /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: 265280 Total RIPE prefixes after maximum aggregation: 127446 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260187 Unique aggregates announced from the RIPE address blocks: 165012 RIPE Region origin ASes present in the Internet Routing Table: 28672 RIPE Prefixes per ASN: 9.07 RIPE Region origin ASes announcing only one prefix: 12148 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: 11857 Number of RIPE addresses announced to Internet: 713291008 Equivalent to 42 /8s, 131 /16s and 245 /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: 121266 Total LACNIC prefixes after maximum aggregation: 28884 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119373 Unique aggregates announced from the LACNIC address blocks: 50209 LACNIC Region origin ASes present in the Internet Routing Table: 11101 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2629 LACNIC Region transit ASes present in the Internet Routing Table: 2392 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: 8986 Number of LACNIC addresses announced to Internet: 176716544 Equivalent to 10 /8s, 136 /16s and 123 /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: 31903 Total AfriNIC prefixes after maximum aggregation: 6214 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 42694 Unique aggregates announced from the AfriNIC address blocks: 13608 AfriNIC Region origin ASes present in the Internet Routing Table: 1842 AfriNIC Prefixes per ASN: 23.18 AfriNIC Region origin ASes announcing only one prefix: 656 AfriNIC Region transit ASes present in the Internet Routing Table: 357 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: 1210 Number of AfriNIC addresses announced to Internet: 105675776 Equivalent to 6 /8s, 76 /16s and 124 /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 9850 8744 71 CHINAMOBILE-CN China Mobile Communicati 7545 5643 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4193 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3931 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3780 510 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3604 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3279 1857 106 VNPT-AS-VN VNPT Corp, VN 24560 2827 864 392 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 420 209 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 10051 11451 3608 AMAZON-02, US 11492 4641 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3770 8784 867 COGENT-174, US 6327 3593 1320 79 SHAW, CA 22773 3452 3039 212 ASN-CXA-ALL-CCI-22773-RDC, US 749 3250 54901 2502 DNIC-AS-00749, US 16625 3035 1316 2202 AKAMAI-AS, US 7018 2879 23667 1808 ATT-INTERNET4, US 396982 2766 3611 414 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 7723 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3802 3396 129 AKAMAI-ASN1, NL 9009 3594 306 1816 M247, RO 12389 2914 2294 869 ROSTELECOM-AS, RU 34984 2347 361 577 TELLCOM-AS, TR 8551 1773 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1698 123 1230 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1472 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 11869 3311 507 UNINET, MX 10620 3518 492 938 Telmex Colombia S.A., CO 13999 2552 356 673 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 778 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 19037 1213 278 33 AMX Argentina S.A., AR 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 6147 1092 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 1226 78 74 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 554 1861 35 IAM-AS, MA 36914 534 82 3 KENET-AS, KE 15399 525 56 56 WANANCHI-, KE 37342 479 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 11869 3311 507 UNINET, MX 16509 10051 11451 3608 AMAZON-02, US 9808 9850 8744 71 CHINAMOBILE-CN China Mobile Communicati 12479 7723 1708 145 UNI2-AS, ES 7545 5643 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4641 308 547 CABLEONE, US 18403 4193 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3931 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9850 9779 CHINAMOBILE-CN China Mobile Communications Grou 12479 7723 7578 UNI2-AS, ES 16509 10051 6443 AMAZON-02, US 7545 5643 4971 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4193 4170 FPT-AS-AP FPT Telecom Company, VN 11492 4641 4094 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3931 3910 VIETEL-AS-AP Viettel Group, VN 20940 3802 3673 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 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 /12:296 /13:567 /14:1168 /15:2057 /16:13204 /17:8149 /18:13578 /19:24323 /20:43062 /21:51076 /22:110563 /23:99107 /24:577395 /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 6811 7723 UNI2-AS, ES 8151 5939 11869 UNINET, MX 11492 3548 4641 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2563 3452 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2147 3518 Telmex Colombia S.A., CO 16509 2128 10051 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2292 2:1494 3:353 4:6 5:4355 6:162 7:6 8:1505 9:1 11:172 12:1450 13:351 14:2365 15:316 16:217 17:366 18:772 20:385 21:4 22:188 23:6825 24:2699 25:2 27:2559 29:19 31:2585 32:45 34:65 35:134 36:2335 37:4476 38:7882 39:898 40:143 41:4166 42:2010 43:2346 44:324 45:17186 46:4493 47:302 49:1958 50:1878 51:581 52:1581 54:315 55:914 56:8 57:207 58:2079 59:1192 60:1037 61:2626 62:2737 63:1882 64:5488 65:2312 66:4595 67:2985 68:1300 69:4110 70:1174 71:574 72:2873 74:2588 75:1550 76:621 77:2492 78:1859 79:1783 80:2189 81:2013 82:1642 83:1356 84:1677 85:3171 86:915 87:2019 88:1222 89:4160 90:684 91:8152 92:2316 93:2707 94:3723 95:4194 96:1281 97:317 98:1026 99:740 100:73 101:1163 102:3509 103:32355 104:4775 105:702 106:992 107:2480 108:1144 109:4044 110:2139 111:3252 112:2045 113:1803 114:1805 115:2066 116:1876 117:2654 118:2791 119:1986 120:1776 121:1301 122:2687 123:2212 124:1625 125:2841 126:32 128:1398 129:922 130:1156 131:1860 132:817 133:412 134:1735 135:323 136:1119 137:1048 138:2837 139:1515 140:1395 141:1368 142:1665 143:1561 144:1011 145:370 146:2079 147:1974 148:2531 149:2727 150:1031 151:1364 152:2210 153:522 154:6908 155:1485 156:2275 157:1864 158:1154 159:2313 160:2727 161:1692 162:3543 163:1698 164:1664 165:2154 166:1277 167:1806 168:4014 169:786 170:4917 171:1028 172:3860 173:3048 174:891 175:1227 176:3458 177:4680 178:3673 179:2224 180:2399 181:3765 182:3346 183:1982 184:2261 185:20833 186:4946 187:4358 188:4073 189:4177 190:9423 191:1496 192:10996 193:9144 194:7513 195:5303 196:3206 197:2728 198:5899 199:7942 200:8061 201:6331 202:10187 203:10155 204:4563 205:3630 206:4426 207:3491 208:4136 209:5004 210:4408 211:2528 212:4345 213:3499 214:1056 215:49 216:6758 217:3024 218:1291 219:415 220:1804 221:1038 222:686 223:2219 End of report