IPv4 R&E Routing Table Report 23:05 GMT Sun 04 Jun, 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: 917555 Prefixes after maximum aggregation (per Origin AS): 348790 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450253 Number of IPv4 prefixes with a valid ROA: 405978 Number of IPv4 prefixes with an invalid ROA: 1693 Number of IPv4 prefixes with no ROA: 509884 Total ASes present in the Internet Routing Table: 74319 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63827 Origin ASes announcing only one prefix: 26257 Transit ASes present in the Internet Routing Table: 10492 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 41 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: 1066 Number of instances of unregistered ASNs: 1075 Number of 32-bit ASNs allocated by the RIRs: 42019 Number of 32-bit ASNs visible in the Routing Table: 34603 Prefixes from 32-bit ASNs in the Routing Table: 171148 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 570 Number of addresses announced to Internet: 3055273984 Equivalent to 182 /8s, 27 /16s and 200 /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: 307546 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239607 Total APNIC prefixes after maximum aggregation: 68702 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233659 Unique aggregates announced from the APNIC address blocks: 98336 APNIC Region origin ASes present in the Internet Routing Table: 13356 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 3936 APNIC Region transit ASes present in the Internet Routing Table: 1787 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: 8726 Number of APNIC addresses announced to Internet: 772833536 Equivalent to 46 /8s, 16 /16s and 129 /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: 269013 Total ARIN prefixes after maximum aggregation: 122580 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 271906 Unique aggregates announced from the ARIN address blocks: 130652 ARIN Region origin ASes present in the Internet Routing Table: 19086 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 7001 ARIN Region transit ASes present in the Internet Routing Table: 1904 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: 4800 Number of ARIN addresses announced to Internet: 1280171520 Equivalent to 76 /8s, 77 /16s and 222 /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: 260098 Total RIPE prefixes after maximum aggregation: 122570 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255944 Unique aggregates announced from the RIPE address blocks: 158873 RIPE Region origin ASes present in the Internet Routing Table: 28315 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12060 RIPE Region transit ASes present in the Internet Routing Table: 3991 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: 11196 Number of RIPE addresses announced to Internet: 717806592 Equivalent to 42 /8s, 200 /16s and 220 /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: 118184 Total LACNIC prefixes after maximum aggregation: 28318 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117353 Unique aggregates announced from the LACNIC address blocks: 49492 LACNIC Region origin ASes present in the Internet Routing Table: 10996 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2655 LACNIC Region transit ASes present in the Internet Routing Table: 2283 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: 8789 Number of LACNIC addresses announced to Internet: 177001472 Equivalent to 10 /8s, 140 /16s and 212 /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: 29587 Total AfriNIC prefixes after maximum aggregation: 5845 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38123 Unique aggregates announced from the AfriNIC address blocks: 12431 AfriNIC Region origin ASes present in the Internet Routing Table: 1743 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 605 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: 1092 Number of AfriNIC addresses announced to Internet: 107066624 Equivalent to 6 /8s, 97 /16s and 181 /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 9481 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5723 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4177 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 3377 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3019 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2405 837 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2297 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2187 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 8496 10823 3057 AMAZON-02, US 11492 4524 300 606 CABLEONE, US 7155 4052 282 62 VIASAT-SP-BACKBONE, US 22773 3566 3052 272 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 749 3128 54970 2380 DNIC-AS-00749, US 16625 3065 1538 2315 AKAMAI-AS, US 396982 2659 3593 374 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2448 24002 1533 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 7297 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4085 3398 160 AKAMAI-ASN1, NL 8551 3664 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2291 909 ROSTELECOM-AS, RU 9009 2665 247 1389 M247, RO 34984 2278 360 606 TELLCOM-AS, TR 6849 1957 307 17 UKRTELNET, UA 58224 1828 945 534 TCI, IR 61317 1658 111 1283 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 11371 3357 611 Uninet S.A. de C.V., MX 10620 3518 507 856 Telmex Colombia S.A., CO 13999 2371 364 630 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1331 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 1099 180 441 Techtel LMDS Comunicaciones Interactiva 26615 1025 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 1544 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 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 472 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 11371 3357 611 Uninet S.A. de C.V., MX 9808 9481 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8496 10823 3057 AMAZON-02, US 12479 7297 1707 141 UNI2-AS, ES 7545 5723 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 606 CABLEONE, US 18403 4177 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4085 3398 160 AKAMAI-ASN1, NL 7155 4052 282 62 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 9481 9444 CHINAMOBILE-CN China Mobile Communications Grou 12479 7297 7156 UNI2-AS, ES 16509 8496 5439 AMAZON-02, US 7545 5723 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4177 4152 FPT-AS-AP FPT Telecom Company, VN 7155 4052 3990 VIASAT-SP-BACKBONE, US 20940 4085 3925 AKAMAI-ASN1, NL 11492 4524 3918 CABLEONE, US 7552 3680 3659 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 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., 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 /14:1197 /15:2095 /16:13426 /17:8153 /18:13709 /19:24767 /20:42910 /21:50981 /22:109112 /23:97826 /24:552319 /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 6381 7297 UNI2-AS, ES 8151 5318 11371 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3333 3523 SHAW, CA 8551 3137 3664 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3067 4052 VIASAT-SP-BACKBONE, US 22773 2634 3566 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2073 3518 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) ---------------------------------------------- 1:2137 2:1241 3:198 4:5 5:4541 6:131 7:6 8:1509 9:1 11:172 12:1534 13:388 14:2300 15:304 16:191 17:368 18:452 20:263 21:4 22:188 23:6289 24:2596 25:6 27:2486 29:19 31:2503 32:78 34:21 35:109 36:1973 37:4659 38:4761 39:845 40:151 41:3947 42:1959 43:2341 44:309 45:16426 46:4326 47:375 49:1745 50:1862 51:585 52:1597 54:394 55:861 56:8 57:117 58:1787 59:1055 60:984 61:2536 62:2684 63:1914 64:5654 65:2307 66:4997 67:3004 68:1341 69:4133 70:1202 71:670 72:2991 74:2608 75:1556 76:606 77:2431 78:1810 79:3184 80:2132 81:1789 82:1487 83:1263 84:1526 85:3004 86:771 87:2030 88:1168 89:3675 90:616 91:7760 92:2065 93:2613 94:3621 95:4042 96:1309 97:336 98:1120 99:744 100:83 101:1313 102:2766 103:31378 104:4601 105:504 106:938 107:2587 108:1040 109:4181 110:2084 111:3123 112:1983 113:1723 114:1644 115:2000 116:1878 117:2536 118:2621 119:2004 120:1793 121:1062 122:2573 123:2128 124:1572 125:2463 128:1421 129:1047 130:1002 131:1971 132:851 133:420 134:1899 135:306 136:882 137:949 138:2554 139:1542 140:1242 141:1422 142:1443 143:1523 144:1144 145:347 146:1938 147:1584 148:2395 149:2236 150:881 151:1153 152:1927 153:488 154:4531 155:1447 156:1793 157:1234 158:1078 159:2228 160:2550 161:1548 162:3514 163:1471 164:1610 165:1794 166:1105 167:1735 168:3832 169:947 170:4585 171:900 172:3577 173:2959 174:1062 175:1170 176:3687 177:4606 178:3577 179:2218 180:2543 181:3480 182:3393 183:2082 184:2337 185:20315 186:4792 187:3995 188:4098 189:3666 190:9178 191:1452 192:10915 193:8873 194:7310 195:5147 196:3226 197:2390 198:5886 199:6099 200:7937 201:5898 202:10382 203:10268 204:4560 205:3680 206:4214 207:3390 208:4084 209:4868 210:4148 211:2441 212:4204 213:3618 214:1108 215:59 216:6659 217:2721 218:1239 219:410 220:1759 221:955 222:682 223:2149 End of report