IPv4 R&E Routing Table Report 23:05 GMT Fri 30 Aug, 2024 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: 950157 Prefixes after maximum aggregation (per Origin AS): 364511 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466420 Number of IPv4 prefixes with a valid ROA: 494995 Number of IPv4 prefixes with an invalid ROA: 1404 Number of IPv4 prefixes with no ROA: 453758 Total ASes present in the Internet Routing Table: 75914 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 65204 Origin ASes announcing only one prefix: 26759 Transit ASes present in the Internet Routing Table: 10710 Transit-only ASes present in the Internet Routing Table: 511 Paths with bogon ASNs present in the IPv4 Routing Table: 12 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 47 Prefixes from unregistered ASNs in the Routing Table: 965 Number of instances of unregistered ASNs: 972 Number of 32-bit ASNs allocated by the RIRs: 45268 Number of 32-bit ASNs visible in the Routing Table: 36912 Prefixes from 32-bit ASNs in the Routing Table: 191055 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 609 Number of addresses announced to Internet: 3033422848 Equivalent to 180 /8s, 206 /16s and 92 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 312496 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250857 Total APNIC prefixes after maximum aggregation: 74806 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 242743 Unique aggregates announced from the APNIC address blocks: 100895 APNIC Region origin ASes present in the Internet Routing Table: 14241 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4332 APNIC Region transit ASes present in the Internet Routing Table: 1892 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9708 Number of APNIC addresses announced to Internet: 761383168 Equivalent to 45 /8s, 97 /16s and 201 /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: 277876 Total ARIN prefixes after maximum aggregation: 125447 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 281871 Unique aggregates announced from the ARIN address blocks: 134730 ARIN Region origin ASes present in the Internet Routing Table: 19099 ARIN Prefixes per ASN: 14.76 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1898 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4968 Number of ARIN addresses announced to Internet: 1266585600 Equivalent to 75 /8s, 126 /16s and 144 /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, 393216-402332 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: 265997 Total RIPE prefixes after maximum aggregation: 128288 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261979 Unique aggregates announced from the RIPE address blocks: 166342 RIPE Region origin ASes present in the Internet Routing Table: 28672 RIPE Prefixes per ASN: 9.14 RIPE Region origin ASes announcing only one prefix: 12091 RIPE Region transit ASes present in the Internet Routing Table: 3935 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11951 Number of RIPE addresses announced to Internet: 723651584 Equivalent to 43 /8s, 34 /16s and 12 /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: 122160 Total LACNIC prefixes after maximum aggregation: 28944 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120019 Unique aggregates announced from the LACNIC address blocks: 49735 LACNIC Region origin ASes present in the Internet Routing Table: 11143 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2694 LACNIC Region transit ASes present in the Internet Routing Table: 2452 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9049 Number of LACNIC addresses announced to Internet: 177134336 Equivalent to 10 /8s, 142 /16s and 219 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 32302 Total AfriNIC prefixes after maximum aggregation: 6394 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 42936 Unique aggregates announced from the AfriNIC address blocks: 14201 AfriNIC Region origin ASes present in the Internet Routing Table: 1872 AfriNIC Prefixes per ASN: 22.94 AfriNIC Region origin ASes announcing only one prefix: 681 AfriNIC Region transit ASes present in the Internet Routing Table: 357 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1236 Number of AfriNIC addresses announced to Internet: 104344064 Equivalent to 6 /8s, 56 /16s and 42 /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 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5700 837 660 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4293 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3938 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3789 508 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1841 104 VNPT-AS-VN VNPT Corp, VN 24560 2789 826 482 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2207 434 194 TATACOMM-AS TATA Communications formerly 45090 2189 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10635 11799 3750 AMAZON-02, US 11492 4629 308 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3953 8782 911 COGENT-174, US 6327 3601 1320 79 SHAW, CA 22773 3423 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3244 54889 2496 DNIC-AS-00749, US 7018 2940 23674 1849 ATT-INTERNET4, US 16625 2921 1244 2105 AKAMAI-AS, US 396982 2793 3568 422 GOOGLE-CLOUD-PLATFORM, 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 7693 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3768 3395 126 AKAMAI-ASN1, NL 9009 3657 312 1855 M247, RO 12389 2855 2287 857 ROSTELECOM-AS, RU 34984 2332 359 583 TELLCOM-AS, TR 212238 1790 128 1319 CDNEXT, GB 8551 1784 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 13188 1607 100 26 TRIOLAN, UA 8452 1580 1852 14 TE-AS TE-AS, EG 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 11832 3281 523 UNINET, MX 10620 3540 494 933 Telmex Colombia S.A., CO 13999 2515 353 675 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1317 774 207 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 6147 1072 369 22 Telefonica del Peru S.A.A., PE 22884 1066 98 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1042 2503 53 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 24835 1622 593 29 RAYA-AS, EG 24863 1610 389 16 LINKdotNET-AS, EG 36992 1412 1519 283 ETISALAT-MISR, EG 29571 1334 84 68 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 955 523 48 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 511 57 58 WANANCHI-, KE 37342 506 32 1 MOVITEL, MZ 36914 502 82 3 KENET-AS, 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 11832 3281 523 UNINET, MX 16509 10635 11799 3750 AMAZON-02, US 9808 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7693 1708 145 UNI2-AS, ES 7545 5700 837 660 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4629 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4293 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3953 8782 911 COGENT-174, 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 9899 9824 CHINAMOBILE-CN China Mobile Communications Grou 12479 7693 7548 UNI2-AS, ES 16509 10635 6885 AMAZON-02, US 7545 5700 5040 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4293 4270 FPT-AS-AP FPT Telecom Company, VN 11492 4629 4082 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3938 3918 VIETEL-AS-AP Viettel Group, VN 20940 3768 3642 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, 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 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 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 /9:16 /10:37 /11:93 /12:295 /13:573 /14:1165 /15:2057 /16:13171 /17:8126 /18:13599 /19:24344 /20:43178 /21:51312 /22:110966 /23:99366 /24:581835 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6752 7693 UNI2-AS, ES 8151 5962 11832 UNINET, MX 11492 3540 4629 CABLEONE, US 6327 3397 3601 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2556 3423 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2169 3540 Telmex Colombia S.A., CO 30036 2159 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2139 10635 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2290 2:1533 3:451 4:6 5:4451 6:162 7:6 8:1510 9:1 11:172 12:1429 13:362 14:2364 15:327 16:259 17:362 18:874 20:408 21:4 22:188 23:6799 24:2680 25:2 27:2609 29:19 31:2670 32:44 34:68 35:137 36:2353 37:4509 38:8404 39:918 40:150 41:4082 42:1988 43:2401 44:331 45:17432 46:4656 47:299 49:1993 50:1860 51:574 52:1579 54:318 55:954 56:8 57:213 58:2154 59:1203 60:1063 61:2748 62:2775 63:1854 64:5453 65:2288 66:4608 67:3014 68:1342 69:4003 70:1146 71:561 72:2854 74:2629 75:1563 76:621 77:2512 78:1850 79:1780 80:2189 81:2014 82:1668 83:1367 84:1719 85:3171 86:960 87:2048 88:1238 89:4245 90:692 91:8198 92:2432 93:2732 94:3748 95:4260 96:1274 97:316 98:1065 99:735 100:73 101:1158 102:3548 103:32256 104:4490 105:703 106:982 107:2373 108:1164 109:4071 110:2136 111:3282 112:2047 113:1797 114:1852 115:2092 116:1953 117:2675 118:2867 119:1981 120:1799 121:1351 122:2691 123:2169 124:1605 125:2828 126:64 128:1349 129:933 130:1200 131:1868 132:814 133:428 134:1510 135:311 136:1189 137:1060 138:2844 139:1528 140:1451 141:1447 142:1694 143:1621 144:1029 145:364 146:2096 147:2025 148:2539 149:2801 150:1068 151:1358 152:2090 153:500 154:6447 155:1428 156:2434 157:1799 158:1176 159:2426 160:3032 161:1709 162:3541 163:1737 164:1684 165:2140 166:1298 167:1849 168:4023 169:803 170:4983 171:1033 172:3893 173:3079 174:902 175:1252 176:3433 177:4782 178:3590 179:2218 180:2453 181:3886 182:3330 183:2019 184:2258 185:20983 186:4992 187:4334 188:4092 189:4208 190:9523 191:1518 192:11028 193:9225 194:7503 195:5339 196:3222 197:2980 198:5917 199:8064 200:8052 201:6371 202:10216 203:10351 204:4559 205:3649 206:4482 207:3527 208:4173 209:5051 210:4496 211:2552 212:4393 213:3673 214:1063 215:49 216:6726 217:2950 218:1331 219:382 220:1816 221:1046 222:705 223:2232 End of report