IPv4 R&E Routing Table Report 23:05 GMT Thu 03 Aug, 2023 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: 920706 Prefixes after maximum aggregation (per Origin AS): 350464 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452351 Number of IPv4 prefixes with a valid ROA: 415234 Number of IPv4 prefixes with an invalid ROA: 1478 Number of IPv4 prefixes with no ROA: 503994 Total ASes present in the Internet Routing Table: 74492 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64069 Origin ASes announcing only one prefix: 26299 Transit ASes present in the Internet Routing Table: 10423 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 132 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1050 Number of instances of unregistered ASNs: 1052 Number of 32-bit ASNs allocated by the RIRs: 42366 Number of 32-bit ASNs visible in the Routing Table: 34864 Prefixes from 32-bit ASNs in the Routing Table: 173403 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 566 Number of addresses announced to Internet: 3052200960 Equivalent to 181 /8s, 236 /16s and 228 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 308249 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240640 Total APNIC prefixes after maximum aggregation: 69444 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234441 Unique aggregates announced from the APNIC address blocks: 98737 APNIC Region origin ASes present in the Internet Routing Table: 13472 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 3981 APNIC Region transit ASes present in the Internet Routing Table: 1786 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8848 Number of APNIC addresses announced to Internet: 772927744 Equivalent to 46 /8s, 17 /16s and 241 /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: 270622 Total ARIN prefixes after maximum aggregation: 123449 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272657 Unique aggregates announced from the ARIN address blocks: 130831 ARIN Region origin ASes present in the Internet Routing Table: 19045 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1884 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4807 Number of ARIN addresses announced to Internet: 1276631040 Equivalent to 76 /8s, 23 /16s and 216 /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, 393216-401308 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: 260069 Total RIPE prefixes after maximum aggregation: 122504 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256929 Unique aggregates announced from the RIPE address blocks: 159851 RIPE Region origin ASes present in the Internet Routing Table: 28374 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12055 RIPE Region transit ASes present in the Internet Routing Table: 3919 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11283 Number of RIPE addresses announced to Internet: 716494848 Equivalent to 42 /8s, 180 /16s and 216 /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 196608-213403 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: 118421 Total LACNIC prefixes after maximum aggregation: 28404 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117559 Unique aggregates announced from the LACNIC address blocks: 49735 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2324 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8809 Number of LACNIC addresses announced to Internet: 178462976 Equivalent to 10 /8s, 163 /16s and 33 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 29904 Total AfriNIC prefixes after maximum aggregation: 5944 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 38554 Unique aggregates announced from the AfriNIC address blocks: 12721 AfriNIC Region origin ASes present in the Internet Routing Table: 1770 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 620 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 132 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1117 Number of AfriNIC addresses announced to Internet: 107357952 Equivalent to 6 /8s, 102 /16s and 39 /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 9517 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5690 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4259 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3711 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3352 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3054 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2473 839 425 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2183 442 201 TATACOMM-AS TATA Communications formerl 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 8844 10940 3175 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3534 3036 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3078 1512 2319 AKAMAI-AS, US 367 2955 3824 1388 DNIC-ASBLK-00306-00371, US 396982 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2512 359 364 MEDIACOM-ENTERPRISE-BUSINESS, 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 7322 1707 142 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4064 3398 157 AKAMAI-ASN1, NL 8551 3451 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2901 2294 913 ROSTELECOM-AS, RU 9009 2664 247 1392 M247, RO 34984 2317 362 602 TELLCOM-AS, TR 58224 1815 944 536 TCI, IR 6849 1721 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11613 3372 610 UNINET, MX 10620 3534 507 832 Telmex Colombia S.A., CO 13999 2424 362 635 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1316 2324 234 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 48 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 1587 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 498 32 1 MOVITEL, MZ 15399 447 54 47 WANANCHI-, KE 24757 440 73 5 EthioNet-AS, ET 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 11613 3372 610 UNINET, MX 9808 9517 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8844 10940 3175 AMAZON-02, US 12479 7322 1707 142 UNI2-AS, ES 7545 5690 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4259 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4064 3398 157 AKAMAI-ASN1, NL 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 9517 9480 CHINAMOBILE-CN China Mobile Communications Grou 12479 7322 7180 UNI2-AS, ES 16509 8844 5669 AMAZON-02, US 7545 5690 5003 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4259 4234 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4064 3907 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3711 3690 VIETEL-AS-AP Viettel Group, VN 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /10:38 /11:102 /12:296 /13:572 /14:1195 /15:2099 /16:13426 /17:8177 /18:13727 /19:24826 /20:43247 /21:51044 /22:109377 /23:98452 /24:554089 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6411 7322 UNI2-AS, ES 8151 5607 11613 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2920 3451 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2603 3534 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2169 2512 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2093 3534 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2184 2:1335 3:247 4:5 5:4499 6:133 7:6 8:1514 9:1 11:172 12:1522 13:377 14:2297 15:302 16:194 17:374 18:553 20:273 21:4 22:188 23:6361 24:2478 25:6 27:2527 29:19 31:2523 32:78 34:26 35:111 36:1985 37:4677 38:5110 39:835 40:147 41:3909 42:2027 43:2308 44:313 45:16554 46:4333 47:384 49:1773 50:1855 51:585 52:1593 54:390 55:950 56:8 57:121 58:1820 59:1120 60:992 61:2502 62:2665 63:1921 64:5568 65:2292 66:4912 67:3040 68:1321 69:4083 70:1205 71:680 72:2975 74:2618 75:1580 76:615 77:2456 78:1828 79:2971 80:2119 81:1806 82:1493 83:1273 84:1520 85:2962 86:764 87:2000 88:1173 89:3852 90:616 91:7801 92:2057 93:2574 94:3594 95:4029 96:1295 97:322 98:1147 99:735 100:95 101:1315 102:2876 103:31845 104:4550 105:565 106:878 107:2546 108:1094 109:4257 110:2114 111:3132 112:2056 113:1738 114:1644 115:1993 116:1893 117:2577 118:2674 119:1973 120:1784 121:1082 122:2571 123:2137 124:1577 125:2477 128:1403 129:1039 130:1016 131:1953 132:845 133:422 134:1787 135:306 136:897 137:961 138:2615 139:1569 140:1239 141:1299 142:1463 143:1495 144:1005 145:342 146:1944 147:1605 148:2401 149:2176 150:878 151:1167 152:1958 153:511 154:4677 155:1383 156:1866 157:1326 158:1077 159:2221 160:2601 161:1566 162:3507 163:1563 164:1707 165:1866 166:986 167:1732 168:3854 169:928 170:4597 171:895 172:3631 173:2982 174:1044 175:1177 176:3740 177:4541 178:3614 179:2171 180:2439 181:3488 182:3401 183:1997 184:2298 185:20480 186:4746 187:4115 188:4112 189:3748 190:9210 191:1383 192:10922 193:8927 194:7288 195:5160 196:3103 197:2461 198:5922 199:6088 200:7914 201:5985 202:10250 203:10033 204:4544 205:3627 206:4252 207:3367 208:4127 209:4898 210:4192 211:2440 212:4253 213:3584 214:1089 215:60 216:6701 217:2766 218:1263 219:414 220:1799 221:964 222:667 223:2159 End of report