IPv4 R&E Routing Table Report 23:05 GMT Wed 16 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: 920383 Prefixes after maximum aggregation (per Origin AS): 350520 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452541 Number of IPv4 prefixes with a valid ROA: 416520 Number of IPv4 prefixes with an invalid ROA: 1529 Number of IPv4 prefixes with no ROA: 502334 Total ASes present in the Internet Routing Table: 74545 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64132 Origin ASes announcing only one prefix: 26316 Transit ASes present in the Internet Routing Table: 10413 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 20 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 137 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1023 Number of instances of unregistered ASNs: 1025 Number of 32-bit ASNs allocated by the RIRs: 42432 Number of 32-bit ASNs visible in the Routing Table: 34920 Prefixes from 32-bit ASNs in the Routing Table: 173677 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 566 Number of addresses announced to Internet: 3051327232 Equivalent to 181 /8s, 223 /16s and 143 /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: 307714 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241083 Total APNIC prefixes after maximum aggregation: 69700 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234749 Unique aggregates announced from the APNIC address blocks: 98851 APNIC Region origin ASes present in the Internet Routing Table: 13503 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 4000 APNIC Region transit ASes present in the Internet Routing Table: 1794 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8883 Number of APNIC addresses announced to Internet: 772895488 Equivalent to 46 /8s, 17 /16s and 115 /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: 270572 Total ARIN prefixes after maximum aggregation: 123391 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272606 Unique aggregates announced from the ARIN address blocks: 130884 ARIN Region origin ASes present in the Internet Routing Table: 19046 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6973 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: 4812 Number of ARIN addresses announced to Internet: 1275584256 Equivalent to 76 /8s, 7 /16s and 223 /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: 259995 Total RIPE prefixes after maximum aggregation: 122338 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 256906 Unique aggregates announced from the RIPE address blocks: 159890 RIPE Region origin ASes present in the Internet Routing Table: 28383 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11286 Number of RIPE addresses announced to Internet: 716312576 Equivalent to 42 /8s, 178 /16s and 16 /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: 117719 Total LACNIC prefixes after maximum aggregation: 28415 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116814 Unique aggregates announced from the LACNIC address blocks: 49697 LACNIC Region origin ASes present in the Internet Routing Table: 11006 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2689 LACNIC Region transit ASes present in the Internet Routing Table: 2314 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: 8818 Number of LACNIC addresses announced to Internet: 178550784 Equivalent to 10 /8s, 164 /16s and 120 /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: 29991 Total AfriNIC prefixes after maximum aggregation: 5975 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 38742 Unique aggregates announced from the AfriNIC address blocks: 12745 AfriNIC Region origin ASes present in the Internet Routing Table: 1777 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 617 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 137 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1121 Number of AfriNIC addresses announced to Internet: 107582464 Equivalent to 6 /8s, 105 /16s and 148 /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 38 CHINAMOBILE-CN China Mobile Communicati 7545 5706 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4331 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3726 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3350 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3082 498 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2481 843 409 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 8829 10966 3195 AMAZON-02, US 11492 4516 300 636 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3553 3038 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3074 1499 2312 AKAMAI-AS, US 367 2963 3823 1439 DNIC-ASBLK-00306-00371, US 396982 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2503 359 379 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 7343 1713 145 UNI2-AS, ES 39891 4829 286 61 ALJAWWALSTC-AS, SA 20940 4077 3398 154 AKAMAI-ASN1, NL 8551 3459 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2906 2294 916 ROSTELECOM-AS, RU 9009 2667 247 1383 M247, RO 34984 2320 362 598 TELLCOM-AS, TR 58224 1817 943 536 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1551 104 1206 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 11513 3358 607 UNINET, MX 10620 3529 506 844 Telmex Colombia S.A., CO 13999 2437 364 641 Mega Cable, S.A. de C.V., MX 11830 1996 369 64 Instituto Costarricense de Electricidad 28573 1314 2324 233 Claro NXT Telecomunicacoes Ltda, BR 3816 1290 757 188 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1271 344 510 Axtel, S.A.B. de C.V., MX 6147 1123 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 1589 391 38 LINKdotNET-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 24835 1324 533 27 RAYA-AS, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 892 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 24757 474 73 5 EthioNet-AS, ET 37342 473 32 1 MOVITEL, MZ 15399 439 54 47 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 11513 3358 607 UNINET, MX 9808 9517 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8829 10966 3195 AMAZON-02, US 12479 7343 1713 145 UNI2-AS, ES 7545 5706 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4829 286 61 ALJAWWALSTC-AS, SA 11492 4516 300 636 CABLEONE, US 18403 4331 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4077 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 9517 9479 CHINAMOBILE-CN China Mobile Communications Grou 12479 7343 7198 UNI2-AS, ES 16509 8829 5634 AMAZON-02, US 7545 5706 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4829 4768 ALJAWWALSTC-AS, SA 18403 4331 4306 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4077 3923 AKAMAI-ASN1, NL 11492 4516 3880 CABLEONE, US 7552 3726 3705 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 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 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 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 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 23.160.152.0/24 Origin: 200351 QUANTUM-NET Quantums Network, CA 23.160.152.0/24 Transit: 924 CLOUDIE-NETWORKS-LLC, 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 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 /13:573 /14:1193 /15:2098 /16:13461 /17:8201 /18:13729 /19:24828 /20:43286 /21:50935 /22:109164 /23:98412 /24:554028 /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 6429 7343 UNI2-AS, ES 8151 5552 11513 UNINET, MX 39891 3628 4829 ALJAWWALSTC-AS, SA 11492 3428 4516 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2927 3459 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2602 3553 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2093 3529 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) ---------------------------------------------- 1:2224 2:1368 3:229 4:5 5:4547 6:137 7:6 8:1513 9:1 11:172 12:1510 13:378 14:2305 15:302 16:194 17:371 18:597 20:279 21:4 22:188 23:6391 24:2480 25:6 27:2532 29:19 31:2524 32:78 34:26 35:114 36:1983 37:4604 38:5128 39:856 40:147 41:3997 42:2087 43:2286 44:318 45:16531 46:4316 47:384 49:1790 50:1845 51:585 52:1596 54:391 55:968 56:8 57:121 58:1817 59:1119 60:996 61:2511 62:2687 63:1917 64:5564 65:2299 66:4903 67:3008 68:1323 69:4082 70:1199 71:679 72:2974 74:2611 75:1580 76:614 77:2444 78:1836 79:2982 80:2117 81:1797 82:1498 83:1279 84:1519 85:2968 86:761 87:1987 88:1174 89:3836 90:617 91:7814 92:2067 93:2590 94:3523 95:3997 96:1293 97:318 98:1083 99:733 100:90 101:1314 102:2938 103:31951 104:4556 105:568 106:881 107:2560 108:1117 109:4244 110:2113 111:3134 112:2065 113:1750 114:1645 115:1993 116:1904 117:2544 118:2692 119:1975 120:1786 121:1086 122:2573 123:2152 124:1576 125:2487 128:1348 129:1036 130:1014 131:1959 132:847 133:423 134:1785 135:306 136:897 137:970 138:2630 139:1570 140:1252 141:1292 142:1463 143:1490 144:997 145:342 146:1941 147:1603 148:2403 149:2117 150:869 151:1203 152:1958 153:514 154:4747 155:1385 156:1910 157:1313 158:1083 159:2222 160:2605 161:1555 162:3511 163:1579 164:1699 165:1837 166:974 167:1729 168:3823 169:903 170:4590 171:899 172:3657 173:2971 174:989 175:1183 176:3769 177:4497 178:3539 179:2127 180:2448 181:3489 182:3410 183:2004 184:2292 185:20519 186:4730 187:4058 188:4122 189:3724 190:9133 191:1389 192:10908 193:8929 194:7289 195:5168 196:3200 197:2437 198:5916 199:6072 200:7850 201:5965 202:10238 203:10001 204:4531 205:3653 206:4250 207:3378 208:4121 209:4878 210:4186 211:2440 212:4274 213:3570 214:1094 215:60 216:6683 217:2766 218:1265 219:411 220:1798 221:975 222:665 223:2163 End of report