IPv4 R&E Routing Table Report 23:05 GMT Tue 01 Oct, 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: 953797 Prefixes after maximum aggregation (per Origin AS): 365129 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467003 Number of IPv4 prefixes with a valid ROA: 501031 Number of IPv4 prefixes with an invalid ROA: 1258 Number of IPv4 prefixes with no ROA: 451508 Total ASes present in the Internet Routing Table: 76030 Prefixes per ASN: 12.55 Origin-only ASes present in the Internet Routing Table: 65309 Origin ASes announcing only one prefix: 26798 Transit ASes present in the Internet Routing Table: 10721 Transit-only ASes present in the Internet Routing Table: 510 Paths with bogon ASNs present in the IPv4 Routing Table: 22 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 47 Prefixes from unregistered ASNs in the Routing Table: 950 Number of instances of unregistered ASNs: 969 Number of 32-bit ASNs allocated by the RIRs: 45459 Number of 32-bit ASNs visible in the Routing Table: 37069 Prefixes from 32-bit ASNs in the Routing Table: 192030 Number of bogon 32-bit ASNs visible in the Routing Table: 46 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 528 Number of addresses announced to Internet: 3031156480 Equivalent to 180 /8s, 171 /16s and 199 /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: 313063 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251680 Total APNIC prefixes after maximum aggregation: 74675 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 243776 Unique aggregates announced from the APNIC address blocks: 100757 APNIC Region origin ASes present in the Internet Routing Table: 14273 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4346 APNIC Region transit ASes present in the Internet Routing Table: 1893 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: 9760 Number of APNIC addresses announced to Internet: 758792960 Equivalent to 45 /8s, 58 /16s and 67 /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: 279772 Total ARIN prefixes after maximum aggregation: 125879 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 282883 Unique aggregates announced from the ARIN address blocks: 135242 ARIN Region origin ASes present in the Internet Routing Table: 19124 ARIN Prefixes per ASN: 14.79 ARIN Region origin ASes announcing only one prefix: 6985 ARIN Region transit ASes present in the Internet Routing Table: 1905 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5003 Number of ARIN addresses announced to Internet: 1267209728 Equivalent to 75 /8s, 136 /16s and 22 /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: 266784 Total RIPE prefixes after maximum aggregation: 128937 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263456 Unique aggregates announced from the RIPE address blocks: 167777 RIPE Region origin ASes present in the Internet Routing Table: 28716 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12134 RIPE Region transit ASes present in the Internet Routing Table: 3926 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12010 Number of RIPE addresses announced to Internet: 723116800 Equivalent to 43 /8s, 25 /16s and 227 /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: 122326 Total LACNIC prefixes after maximum aggregation: 28778 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 120105 Unique aggregates announced from the LACNIC address blocks: 48557 LACNIC Region origin ASes present in the Internet Routing Table: 11151 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2469 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9050 Number of LACNIC addresses announced to Internet: 177541376 Equivalent to 10 /8s, 149 /16s and 17 /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: 32285 Total AfriNIC prefixes after maximum aggregation: 6240 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 43049 Unique aggregates announced from the AfriNIC address blocks: 14227 AfriNIC Region origin ASes present in the Internet Routing Table: 1879 AfriNIC Prefixes per ASN: 22.91 AfriNIC Region origin ASes announcing only one prefix: 683 AfriNIC Region transit ASes present in the Internet Routing Table: 356 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1246 Number of AfriNIC addresses announced to Internet: 104212480 Equivalent to 6 /8s, 54 /16s and 40 /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 10049 8750 69 CHINAMOBILE-CN China Mobile Communication 7545 5863 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4413 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3990 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3819 509 265 BBIL-AP BHARTI Airtel Ltd., IN 7713 3649 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2831 850 466 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2209 434 196 TATACOMM-AS TATA Communications formerly 45090 2208 1439 86 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 10820 11834 3811 AMAZON-02, US 11492 4649 309 547 CABLEONE, US 174 4498 8769 891 COGENT-174, US 7155 4166 287 86 VIASAT-SP-BACKBONE, US 6327 3602 1320 79 SHAW, CA 749 3487 55081 2708 DNIC-AS-00749, US 22773 3410 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3176 23679 1970 ATT-INTERNET4, US 396982 2832 3603 417 GOOGLE-CLOUD-PLATFORM, US 16625 2792 1234 2103 AKAMAI-AS, 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 7626 1708 146 UNI2-AS, ES 39891 4602 278 58 ALJAWWALSTC-AS, SA 20940 3791 3395 125 AKAMAI-ASN1, NL 9009 3682 315 1870 M247, RO 12389 2931 2295 882 ROSTELECOM-AS, RU 34984 2330 357 583 TELLCOM-AS, TR 212238 1775 129 1314 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1559 1852 14 TE-AS TE-AS, EG 8551 1473 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11488 3221 509 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2552 534 365 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad y 28573 1337 2309 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1319 778 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 22884 1068 98 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1047 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 1635 593 29 RAYA-AS, EG 24863 1611 389 16 LINKdotNET-AS, EG 36992 1412 1519 283 ETISALAT-MISR, EG 29571 1340 85 64 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 974 523 47 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 37069 525 1100 11 MOBINIL, EG 36914 522 82 3 KENET-AS, KE 37342 516 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 11488 3221 509 UNINET, MX 16509 10820 11834 3811 AMAZON-02, US 9808 10049 8750 69 CHINAMOBILE-CN China Mobile Communication 12479 7626 1708 146 UNI2-AS, ES 7545 5863 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4649 309 547 CABLEONE, US 39891 4602 278 58 ALJAWWALSTC-AS, SA 174 4498 8769 891 COGENT-174, US 18403 4413 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 86 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 10049 9980 CHINAMOBILE-CN China Mobile Communications Grou 12479 7626 7480 UNI2-AS, ES 16509 10820 7009 AMAZON-02, US 7545 5863 5204 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4602 4544 ALJAWWALSTC-AS, SA 18403 4413 4390 FPT-AS-AP FPT Telecom Company, VN 11492 4649 4102 CABLEONE, US 7155 4166 4080 VIASAT-SP-BACKBONE, US 7552 3990 3965 VIETEL-AS-AP Viettel Group, VN 20940 3791 3666 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 203727 UNALLOCATED 5.42.92.0/24 215826 PARTNER-HOSTING-LTD, GB 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 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 /10:36 /11:92 /12:295 /13:576 /14:1170 /15:2050 /16:13169 /17:8133 /18:13586 /19:24226 /20:43509 /21:51570 /22:111140 /23:99313 /24:584892 /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 6681 7626 UNI2-AS, ES 8151 5672 11488 UNINET, MX 11492 3554 4649 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3364 4602 ALJAWWALSTC-AS, SA 7155 3110 4166 VIASAT-SP-BACKBONE, US 22773 2543 3410 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2215 10820 AMAZON-02, US 10620 2175 3546 Telmex Colombia S.A., CO 30036 2159 2498 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2274 2:1524 3:483 4:8 5:4506 6:163 7:6 8:1508 9:1 11:172 12:1426 13:369 14:2413 15:328 16:264 17:360 18:893 20:409 21:4 22:188 23:6826 24:2655 25:2 27:2633 29:19 31:2775 32:44 34:68 35:139 36:2354 37:4520 38:8615 39:919 40:154 41:4113 42:2081 43:2402 44:333 45:17510 46:4648 47:299 49:1999 50:1870 51:580 52:1577 54:316 55:955 56:8 57:219 58:2170 59:1199 60:1083 61:2767 62:2779 63:1848 64:5444 65:2265 66:4655 67:3024 68:1317 69:4002 70:1130 71:566 72:2839 74:2781 75:1625 76:613 77:2558 78:1863 79:1646 80:2196 81:2014 82:1739 83:1374 84:1738 85:3093 86:1008 87:2146 88:1254 89:4317 90:668 91:8250 92:2594 93:2797 94:3795 95:4275 96:1266 97:316 98:1070 99:737 100:74 101:1163 102:3378 103:32223 104:4458 105:702 106:985 107:2391 108:1152 109:3970 110:2173 111:3313 112:2050 113:1765 114:1892 115:2100 116:1952 117:2715 118:2864 119:1987 120:1866 121:1350 122:2691 123:2135 124:1621 125:2829 126:64 128:1387 129:930 130:1220 131:1837 132:808 133:444 134:1515 135:310 136:1203 137:1066 138:2841 139:1520 140:1453 141:1436 142:1759 143:1599 144:1024 145:372 146:2072 147:2041 148:2545 149:2795 150:1068 151:1368 152:2105 153:500 154:6979 155:1467 156:2563 157:1826 158:1196 159:2443 160:3140 161:1729 162:3563 163:1755 164:1939 165:2141 166:1291 167:1839 168:4007 169:780 170:4940 171:1035 172:3909 173:3097 174:902 175:1253 176:3459 177:4848 178:3589 179:2213 180:2436 181:3910 182:3320 183:2053 184:2261 185:21073 186:5044 187:4275 188:4177 189:4113 190:9632 191:1529 192:11050 193:9242 194:7564 195:5402 196:3229 197:2719 198:5906 199:8119 200:8039 201:6336 202:10206 203:10370 204:4548 205:3614 206:4568 207:3559 208:4187 209:5069 210:4497 211:2564 212:4458 213:3653 214:1061 215:62 216:6593 217:2941 218:1331 219:392 220:2050 221:1047 222:716 223:2240 End of report