IPv4 R&E Routing Table Report 23:05 GMT Mon 21 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: 921365 Prefixes after maximum aggregation (per Origin AS): 350868 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452242 Number of IPv4 prefixes with a valid ROA: 417741 Number of IPv4 prefixes with an invalid ROA: 1492 Number of IPv4 prefixes with no ROA: 502132 Total ASes present in the Internet Routing Table: 74566 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64123 Origin ASes announcing only one prefix: 26321 Transit ASes present in the Internet Routing Table: 10443 Transit-only ASes present in the Internet Routing Table: 449 Paths with bogon ASNs present in the IPv4 Routing Table: 21 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 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: 42488 Number of 32-bit ASNs visible in the Routing Table: 34941 Prefixes from 32-bit ASNs in the Routing Table: 173889 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: 527 Number of addresses announced to Internet: 3052282624 Equivalent to 181 /8s, 238 /16s and 35 /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: 308020 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241131 Total APNIC prefixes after maximum aggregation: 69722 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234773 Unique aggregates announced from the APNIC address blocks: 98841 APNIC Region origin ASes present in the Internet Routing Table: 13505 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 4007 APNIC Region transit ASes present in the Internet Routing Table: 1797 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8894 Number of APNIC addresses announced to Internet: 772819712 Equivalent to 46 /8s, 16 /16s and 75 /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: 270643 Total ARIN prefixes after maximum aggregation: 123482 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272746 Unique aggregates announced from the ARIN address blocks: 130735 ARIN Region origin ASes present in the Internet Routing Table: 19053 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1884 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4815 Number of ARIN addresses announced to Internet: 1276609792 Equivalent to 76 /8s, 23 /16s and 133 /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: 260321 Total RIPE prefixes after maximum aggregation: 122590 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257190 Unique aggregates announced from the RIPE address blocks: 160052 RIPE Region origin ASes present in the Internet Routing Table: 28388 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12034 RIPE Region transit ASes present in the Internet Routing Table: 3912 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11289 Number of RIPE addresses announced to Internet: 716337920 Equivalent to 42 /8s, 178 /16s and 115 /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: 118156 Total LACNIC prefixes after maximum aggregation: 28439 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117228 Unique aggregates announced from the LACNIC address blocks: 49662 LACNIC Region origin ASes present in the Internet Routing Table: 11004 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2328 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8823 Number of LACNIC addresses announced to Internet: 178422528 Equivalent to 10 /8s, 162 /16s and 131 /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: 30102 Total AfriNIC prefixes after maximum aggregation: 5938 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38901 Unique aggregates announced from the AfriNIC address blocks: 12516 AfriNIC Region origin ASes present in the Internet Routing Table: 1776 AfriNIC Prefixes per ASN: 21.90 AfriNIC Region origin ASes announcing only one prefix: 616 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1120 Number of AfriNIC addresses announced to Internet: 107710208 Equivalent to 6 /8s, 107 /16s and 135 /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 9520 8705 38 CHINAMOBILE-CN China Mobile Communicati 7545 5704 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3730 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3350 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3085 498 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2484 845 408 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 587 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 8816 10962 3215 AMAZON-02, US 11492 4527 300 624 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3574 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3079 1500 2320 AKAMAI-AS, US 367 2982 3829 1408 DNIC-ASBLK-00306-00371, US 396982 2685 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2495 357 406 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 7341 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4080 3398 154 AKAMAI-ASN1, NL 8551 3459 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2294 916 ROSTELECOM-AS, RU 9009 2684 248 1397 M247, RO 34984 2322 362 599 TELLCOM-AS, TR 58224 1817 943 538 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1525 102 1190 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 11617 3358 607 UNINET, MX 10620 3528 506 848 Telmex Colombia S.A., CO 13999 2440 365 644 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1315 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1288 757 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1114 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1035 2501 49 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 1594 393 19 LINKdotNET-AS, EG 24835 1503 533 27 RAYA-AS, EG 36992 1354 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 903 520 35 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 37342 472 32 1 MOVITEL, MZ 24757 455 73 5 EthioNet-AS, ET 15399 440 54 48 WANANCHI-, KE 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 11617 3358 607 UNINET, MX 9808 9520 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8816 10962 3215 AMAZON-02, US 12479 7341 1713 145 UNI2-AS, ES 7545 5704 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4527 300 624 CABLEONE, US 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4080 3398 154 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 9520 9482 CHINAMOBILE-CN China Mobile Communications Grou 12479 7341 7196 UNI2-AS, ES 16509 8816 5601 AMAZON-02, US 7545 5704 5018 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4347 4322 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4080 3926 AKAMAI-ASN1, NL 11492 4527 3903 CABLEONE, US 7552 3730 3709 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 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, 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 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 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 /12:297 /13:574 /14:1193 /15:2098 /16:13460 /17:8189 /18:13721 /19:24818 /20:43359 /21:51033 /22:109414 /23:98466 /24:554564 /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 6427 7341 UNI2-AS, ES 8151 5654 11617 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3437 4527 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2927 3459 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2619 3574 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 3528 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) ---------------------------------------------- 1:2228 2:1373 3:226 4:5 5:4552 6:138 7:6 8:1512 9:1 11:172 12:1509 13:376 14:2306 15:302 16:194 17:372 18:602 20:280 21:4 22:188 23:6393 24:2481 25:6 27:2543 29:19 31:2527 32:78 34:26 35:114 36:1990 37:4605 38:5150 39:861 40:147 41:3987 42:2086 43:2284 44:321 45:16512 46:4258 47:384 49:1790 50:1861 51:595 52:1597 54:388 55:971 56:8 57:122 58:1805 59:1117 60:996 61:2513 62:2689 63:1914 64:5571 65:2329 66:4898 67:3007 68:1324 69:4084 70:1193 71:656 72:2951 74:2602 75:1568 76:614 77:2449 78:1837 79:2984 80:2121 81:1795 82:1500 83:1270 84:1521 85:2978 86:757 87:1983 88:1175 89:3845 90:617 91:7815 92:2067 93:2596 94:3535 95:4003 96:1295 97:317 98:1083 99:734 100:90 101:1315 102:2931 103:31951 104:4577 105:553 106:881 107:2583 108:1124 109:4252 110:2116 111:3130 112:2065 113:1744 114:1649 115:1995 116:1903 117:2541 118:2693 119:1977 120:1772 121:1086 122:2580 123:2140 124:1577 125:2477 128:1412 129:1033 130:1022 131:1955 132:854 133:420 134:1787 135:306 136:912 137:971 138:2645 139:1562 140:1248 141:1293 142:1469 143:1494 144:1001 145:340 146:1951 147:1605 148:2409 149:2132 150:868 151:1206 152:1961 153:515 154:4770 155:1385 156:1921 157:1320 158:1085 159:2228 160:2616 161:1572 162:3503 163:1585 164:1706 165:1840 166:1004 167:1728 168:3825 169:907 170:4610 171:902 172:3659 173:2971 174:987 175:1180 176:3775 177:4505 178:3544 179:2128 180:2461 181:3479 182:3414 183:1999 184:2285 185:20496 186:4753 187:4095 188:4139 189:3724 190:9255 191:1375 192:10914 193:8930 194:7299 195:5178 196:3206 197:2474 198:5929 199:6062 200:7842 201:6045 202:10229 203:9997 204:4531 205:3662 206:4253 207:3386 208:4094 209:4881 210:4186 211:2440 212:4253 213:3563 214:1094 215:59 216:6654 217:2773 218:1266 219:411 220:1799 221:975 222:665 223:2152 End of report