IPv4 R&E Routing Table Report 23:05 GMT Wed 31 May, 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: 917742 Prefixes after maximum aggregation (per Origin AS): 348723 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450084 Number of IPv4 prefixes with a valid ROA: 405260 Number of IPv4 prefixes with an invalid ROA: 1702 Number of IPv4 prefixes with no ROA: 510780 Total ASes present in the Internet Routing Table: 74301 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63809 Origin ASes announcing only one prefix: 26240 Transit ASes present in the Internet Routing Table: 10492 Transit-only ASes present in the Internet Routing Table: 435 Paths with bogon ASNs present in the IPv4 Routing Table: 34 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1074 Number of instances of unregistered ASNs: 1076 Number of 32-bit ASNs allocated by the RIRs: 41978 Number of 32-bit ASNs visible in the Routing Table: 34586 Prefixes from 32-bit ASNs in the Routing Table: 171619 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 588 Number of addresses announced to Internet: 3055197440 Equivalent to 182 /8s, 26 /16s and 157 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307447 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240012 Total APNIC prefixes after maximum aggregation: 68774 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234018 Unique aggregates announced from the APNIC address blocks: 98302 APNIC Region origin ASes present in the Internet Routing Table: 13352 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3928 APNIC Region transit ASes present in the Internet Routing Table: 1794 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8719 Number of APNIC addresses announced to Internet: 772832768 Equivalent to 46 /8s, 16 /16s and 126 /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: 268690 Total ARIN prefixes after maximum aggregation: 122437 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 271590 Unique aggregates announced from the ARIN address blocks: 130545 ARIN Region origin ASes present in the Internet Routing Table: 19073 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 6991 ARIN Region transit ASes present in the Internet Routing Table: 1908 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4794 Number of ARIN addresses announced to Internet: 1280050176 Equivalent to 76 /8s, 76 /16s and 4 /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: 260237 Total RIPE prefixes after maximum aggregation: 122562 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256045 Unique aggregates announced from the RIPE address blocks: 158816 RIPE Region origin ASes present in the Internet Routing Table: 28316 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12058 RIPE Region transit ASes present in the Internet Routing Table: 3984 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11192 Number of RIPE addresses announced to Internet: 717884160 Equivalent to 42 /8s, 202 /16s and 11 /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: 118218 Total LACNIC prefixes after maximum aggregation: 28320 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117423 Unique aggregates announced from the LACNIC address blocks: 49511 LACNIC Region origin ASes present in the Internet Routing Table: 10996 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2276 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8787 Number of LACNIC addresses announced to Internet: 177010176 Equivalent to 10 /8s, 140 /16s and 246 /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: 29511 Total AfriNIC prefixes after maximum aggregation: 5850 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 38078 Unique aggregates announced from the AfriNIC address blocks: 12426 AfriNIC Region origin ASes present in the Internet Routing Table: 1744 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1094 Number of AfriNIC addresses announced to Internet: 107021568 Equivalent to 6 /8s, 97 /16s and 5 /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 9475 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5719 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4203 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3680 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3379 1856 97 VNPT-AS-VN VNPT Corp, VN 9498 2982 496 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2402 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2297 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 198 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 8326 10788 2988 AMAZON-02, US 11492 4521 300 610 CABLEONE, US 7155 4042 282 61 VIASAT-SP-BACKBONE, US 22773 3563 3052 271 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 749 3100 54980 2352 DNIC-AS-00749, US 16625 3073 1543 2322 AKAMAI-AS, US 396982 2659 3593 374 GOOGLE-CLOUD-PLATFORM, US 30036 2484 359 481 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2458 24003 1537 ATT-INTERNET4, 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 7303 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4083 3398 160 AKAMAI-ASN1, NL 8551 3880 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2291 909 ROSTELECOM-AS, RU 9009 2658 247 1386 M247, RO 34984 2277 360 606 TELLCOM-AS, TR 6849 1957 307 17 UKRTELNET, UA 58224 1826 945 533 TCI, IR 61317 1637 109 1268 ASDETUK www.heficed.com, US 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 11348 3354 609 Uninet S.A. de C.V., MX 10620 3520 508 857 Telmex Colombia S.A., CO 13999 2358 364 633 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1329 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1295 762 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 441 Techtel LMDS Comunicaciones Interactiva 26615 1028 2498 45 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 1573 393 19 LINKdotNET-AS, EG 24835 1538 533 29 RAYA-AS, EG 36992 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1033 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 488 73 5 EthioNet-AS, ET 37342 485 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 11348 3354 609 Uninet S.A. de C.V., MX 9808 9475 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8326 10788 2988 AMAZON-02, US 12479 7303 1707 141 UNI2-AS, ES 7545 5719 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4521 300 610 CABLEONE, US 18403 4203 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4083 3398 160 AKAMAI-ASN1, NL 7155 4042 282 61 VIASAT-SP-BACKBONE, US 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 9475 9438 CHINAMOBILE-CN China Mobile Communications Grou 12479 7303 7162 UNI2-AS, ES 16509 8326 5338 AMAZON-02, US 7545 5719 5027 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4203 4178 FPT-AS-AP FPT Telecom Company, VN 7155 4042 3981 VIASAT-SP-BACKBONE, US 20940 4083 3923 AKAMAI-ASN1, NL 11492 4521 3911 CABLEONE, US 8551 3880 3846 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 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 /11:103 /12:301 /13:579 /14:1198 /15:2093 /16:13426 /17:8140 /18:13707 /19:24756 /20:42920 /21:50997 /22:109178 /23:97807 /24:552460 /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 6387 7303 UNI2-AS, ES 8151 5301 11348 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3431 4521 CABLEONE, US 8551 3353 3880 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3523 SHAW, CA 7155 3066 4042 VIASAT-SP-BACKBONE, US 22773 2633 3563 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2140 2484 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2073 3520 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) ---------------------------------------------- 1:2146 2:1235 3:180 4:5 5:4541 6:130 7:6 8:1514 9:1 11:172 12:1535 13:386 14:2297 15:304 16:192 17:373 18:434 20:263 21:4 22:188 23:6293 24:2596 25:6 27:2500 29:19 31:2496 32:79 34:21 35:108 36:1973 37:4645 38:4721 39:845 40:151 41:3931 42:1969 43:2343 44:308 45:16442 46:4316 47:362 49:1746 50:1858 51:585 52:1591 54:392 55:840 56:8 57:116 58:1816 59:1057 60:987 61:2536 62:2685 63:1921 64:5666 65:2306 66:4997 67:2923 68:1342 69:4128 70:1202 71:669 72:2993 74:2609 75:1554 76:607 77:2419 78:1812 79:3189 80:2137 81:1791 82:1504 83:1265 84:1515 85:2991 86:768 87:2027 88:1168 89:3683 90:616 91:7759 92:2062 93:2609 94:3611 95:4039 96:1303 97:336 98:1093 99:745 100:69 101:1311 102:2764 103:31371 104:4648 105:504 106:940 107:2583 108:1045 109:4393 110:2086 111:3116 112:2033 113:1719 114:1651 115:1998 116:1887 117:2537 118:2620 119:2005 120:1797 121:1064 122:2584 123:2128 124:1572 125:2464 128:1440 129:1046 130:997 131:1968 132:851 133:420 134:1910 135:305 136:880 137:952 138:2559 139:1540 140:1240 141:1431 142:1443 143:1527 144:1145 145:346 146:1937 147:1588 148:2391 149:2216 150:873 151:1153 152:1923 153:491 154:4558 155:1441 156:1783 157:1324 158:1062 159:2231 160:2552 161:1543 162:3527 163:1518 164:1610 165:1786 166:1114 167:1734 168:3847 169:941 170:4580 171:900 172:3576 173:2941 174:1044 175:1172 176:3687 177:4636 178:3581 179:2222 180:2550 181:3479 182:3361 183:2083 184:2336 185:20288 186:4785 187:4009 188:4091 189:3660 190:9175 191:1444 192:10920 193:8865 194:7297 195:5153 196:3183 197:2382 198:5890 199:6098 200:7930 201:5905 202:10377 203:10279 204:4560 205:3680 206:4213 207:3394 208:4082 209:4878 210:4160 211:2439 212:4199 213:3618 214:1079 215:59 216:6654 217:2699 218:1268 219:410 220:1755 221:966 222:680 223:2150 End of report