IPv4 R&E Routing Table Report 23:05 GMT Sat 01 Jun, 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: 944961 Prefixes after maximum aggregation (per Origin AS): 360984 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 463471 Number of IPv4 prefixes with a valid ROA: 477904 Number of IPv4 prefixes with an invalid ROA: 1117 Number of IPv4 prefixes with no ROA: 465940 Total ASes present in the Internet Routing Table: 75662 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65078 Origin ASes announcing only one prefix: 26668 Transit ASes present in the Internet Routing Table: 10584 Transit-only ASes present in the Internet Routing Table: 511 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 998 Number of instances of unregistered ASNs: 1000 Number of 32-bit ASNs allocated by the RIRs: 44632 Number of 32-bit ASNs visible in the Routing Table: 36449 Prefixes from 32-bit ASNs in the Routing Table: 186333 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 594 Number of addresses announced to Internet: 3026843904 Equivalent to 180 /8s, 105 /16s and 249 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 311970 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249075 Total APNIC prefixes after maximum aggregation: 73294 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 241200 Unique aggregates announced from the APNIC address blocks: 101023 APNIC Region origin ASes present in the Internet Routing Table: 14082 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4286 APNIC Region transit ASes present in the Internet Routing Table: 1879 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9534 Number of APNIC addresses announced to Internet: 761011200 Equivalent to 45 /8s, 92 /16s and 28 /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: 275907 Total ARIN prefixes after maximum aggregation: 124870 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280509 Unique aggregates announced from the ARIN address blocks: 134510 ARIN Region origin ASes present in the Internet Routing Table: 19123 ARIN Prefixes per ASN: 14.67 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1921 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: 4917 Number of ARIN addresses announced to Internet: 1267799296 Equivalent to 75 /8s, 145 /16s and 21 /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: 265992 Total RIPE prefixes after maximum aggregation: 127291 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 260740 Unique aggregates announced from the RIPE address blocks: 164281 RIPE Region origin ASes present in the Internet Routing Table: 28628 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12131 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11815 Number of RIPE addresses announced to Internet: 713851392 Equivalent to 42 /8s, 140 /16s and 130 /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: 121512 Total LACNIC prefixes after maximum aggregation: 28709 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119731 Unique aggregates announced from the LACNIC address blocks: 50043 LACNIC Region origin ASes present in the Internet Routing Table: 11090 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2636 LACNIC Region transit ASes present in the Internet Routing Table: 2380 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8983 Number of LACNIC addresses announced to Internet: 176612352 Equivalent to 10 /8s, 134 /16s and 228 /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: 31477 Total AfriNIC prefixes after maximum aggregation: 6156 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 42187 Unique aggregates announced from the AfriNIC address blocks: 13170 AfriNIC Region origin ASes present in the Internet Routing Table: 1833 AfriNIC Prefixes per ASN: 23.02 AfriNIC Region origin ASes announcing only one prefix: 653 AfriNIC Region transit ASes present in the Internet Routing Table: 348 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1200 Number of AfriNIC addresses announced to Internet: 107250432 Equivalent to 6 /8s, 100 /16s and 131 /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 9827 8742 63 CHINAMOBILE-CN China Mobile Communicati 7545 5634 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4333 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3932 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3764 509 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3275 1857 103 VNPT-AS-VN VNPT Corp, VN 24560 2795 863 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2198 434 199 TATACOMM-AS TATA Communications formerl 45090 2151 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9967 11391 3523 AMAZON-02, US 11492 4622 307 591 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3535 8783 877 COGENT-174, US 22773 3468 3024 221 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54904 2474 DNIC-AS-00749, US 16625 3046 1314 2197 AKAMAI-AS, US 7018 2854 23663 1806 ATT-INTERNET4, US 367 2835 3381 1287 DNIC-ASBLK-00306-00371, 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 7761 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3795 3396 129 AKAMAI-ASN1, NL 9009 3511 300 1753 M247, RO 12389 2916 2294 871 ROSTELECOM-AS, RU 8551 2646 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2343 362 581 TELLCOM-AS, TR 212238 1688 123 1228 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1543 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 12167 3320 503 UNINET, MX 10620 3512 492 940 Telmex Colombia S.A., CO 13999 2547 355 666 Mega Cable, S.A. de C.V., MX 11830 2002 369 64 Instituto Costarricense de Electricidad 28573 1346 2311 255 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1237 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1128 315 480 Axtel, S.A.B. de C.V., MX 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 1076 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 1569 577 29 RAYA-AS, EG 24863 1494 389 20 LINKdotNET-AS, EG 36992 1376 1520 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1219 77 58 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 531 56 56 WANANCHI-, KE 36914 475 82 3 KENET-AS, KE 37342 470 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 12167 3320 503 UNINET, MX 16509 9967 11391 3523 AMAZON-02, US 9808 9827 8742 63 CHINAMOBILE-CN China Mobile Communicati 12479 7761 1708 145 UNI2-AS, ES 7545 5634 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4622 307 591 CABLEONE, US 18403 4333 347 24 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3932 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9827 9764 CHINAMOBILE-CN China Mobile Communications Grou 12479 7761 7616 UNI2-AS, ES 16509 9967 6444 AMAZON-02, US 7545 5634 4965 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4333 4309 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4622 4031 CABLEONE, US 7552 3932 3911 VIETEL-AS-AP Viettel Group, VN 20940 3795 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 BTN-ASN, US 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 3491 BTN-ASN, 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 /9:14 /10:36 /11:93 /12:298 /13:573 /14:1168 /15:2051 /16:13215 /17:8141 /18:13600 /19:24346 /20:43073 /21:51081 /22:110681 /23:99019 /24:577548 /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 6855 7761 UNI2-AS, ES 8151 6215 12167 UNINET, MX 11492 3531 4622 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2571 3468 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2178 2520 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2141 3512 Telmex Colombia S.A., CO 8551 2122 2646 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2292 2:1509 3:343 4:6 5:4519 6:163 7:6 8:1509 9:1 11:172 12:1463 13:363 14:2366 15:319 16:217 17:367 18:770 20:385 21:4 22:188 23:6809 24:2715 25:2 27:2548 29:19 31:2558 32:45 34:65 35:135 36:2309 37:4479 38:7553 39:897 40:125 41:4101 42:2094 43:2341 44:321 45:17077 46:4461 47:306 49:1946 50:1911 51:576 52:1583 54:314 55:979 56:7 57:178 58:2075 59:1196 60:1032 61:2626 62:2764 63:1888 64:5503 65:2317 66:4654 67:2992 68:1313 69:4079 70:1177 71:582 72:2873 74:2585 75:1550 76:621 77:2459 78:1840 79:2520 80:2175 81:2001 82:1649 83:1348 84:1665 85:3179 86:909 87:2014 88:1246 89:4111 90:687 91:8111 92:2292 93:2708 94:3735 95:4178 96:1277 97:316 98:1034 99:738 100:73 101:1167 102:3451 103:32428 104:4780 105:676 106:948 107:2720 108:1150 109:4159 110:2138 111:3251 112:2057 113:1777 114:1802 115:2066 116:1877 117:2654 118:2817 119:1991 120:1777 121:1286 122:2676 123:2209 124:1619 125:2858 126:32 128:1409 129:921 130:1150 131:1837 132:802 133:412 134:1735 135:322 136:1109 137:1042 138:2824 139:1535 140:1368 141:1343 142:1645 143:1549 144:1008 145:365 146:2063 147:1952 148:2515 149:2737 150:1069 151:1339 152:2201 153:525 154:6737 155:1456 156:2259 157:1821 158:1154 159:2319 160:2671 161:1696 162:3551 163:1704 164:1650 165:2154 166:1253 167:1796 168:3963 169:803 170:4921 171:1023 172:3854 173:3044 174:892 175:1228 176:3666 177:4761 178:3698 179:2264 180:2371 181:3750 182:3383 183:1994 184:2258 185:20766 186:5018 187:4515 188:4001 189:4161 190:9396 191:1561 192:11012 193:9102 194:7497 195:5304 196:3187 197:2604 198:5937 199:7885 200:7977 201:6237 202:10205 203:10146 204:4569 205:3604 206:4440 207:3481 208:4149 209:5008 210:4395 211:2528 212:4275 213:3482 214:1069 215:49 216:6790 217:2994 218:1294 219:413 220:1815 221:1034 222:692 223:2211 End of report