IPv4 R&E Routing Table Report 23:05 GMT Sun 03 Mar, 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: 932808 Prefixes after maximum aggregation (per Origin AS): 357033 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458024 Number of IPv4 prefixes with a valid ROA: 448901 Number of IPv4 prefixes with an invalid ROA: 1060 Number of IPv4 prefixes with no ROA: 482847 Total ASes present in the Internet Routing Table: 75264 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64774 Origin ASes announcing only one prefix: 26573 Transit ASes present in the Internet Routing Table: 10490 Transit-only ASes present in the Internet Routing Table: 470 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1087 Number of instances of unregistered ASNs: 1089 Number of 32-bit ASNs allocated by the RIRs: 43760 Number of 32-bit ASNs visible in the Routing Table: 35906 Prefixes from 32-bit ASNs in the Routing Table: 181212 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 550 Number of addresses announced to Internet: 3040670720 Equivalent to 181 /8s, 60 /16s and 244 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 308080 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245623 Total APNIC prefixes after maximum aggregation: 72248 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238382 Unique aggregates announced from the APNIC address blocks: 100051 APNIC Region origin ASes present in the Internet Routing Table: 13909 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4196 APNIC Region transit ASes present in the Internet Routing Table: 1847 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9347 Number of APNIC addresses announced to Internet: 774056192 Equivalent to 46 /8s, 35 /16s and 41 /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: 272578 Total ARIN prefixes after maximum aggregation: 123436 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277283 Unique aggregates announced from the ARIN address blocks: 132607 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6975 ARIN Region transit ASes present in the Internet Routing Table: 1898 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4847 Number of ARIN addresses announced to Internet: 1269988864 Equivalent to 75 /8s, 178 /16s and 126 /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: 262422 Total RIPE prefixes after maximum aggregation: 125824 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257338 Unique aggregates announced from the RIPE address blocks: 162128 RIPE Region origin ASes present in the Internet Routing Table: 28551 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12130 RIPE Region transit ASes present in the Internet Routing Table: 3894 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11628 Number of RIPE addresses announced to Internet: 712660736 Equivalent to 42 /8s, 122 /16s and 87 /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: 120765 Total LACNIC prefixes after maximum aggregation: 28769 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119296 Unique aggregates announced from the LACNIC address blocks: 49562 LACNIC Region origin ASes present in the Internet Routing Table: 11049 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2623 LACNIC Region transit ASes present in the Internet Routing Table: 2366 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: 8905 Number of LACNIC addresses announced to Internet: 177448192 Equivalent to 10 /8s, 147 /16s and 165 /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: 30333 Total AfriNIC prefixes after maximum aggregation: 6043 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39959 Unique aggregates announced from the AfriNIC address blocks: 13230 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 21.99 AfriNIC Region origin ASes announcing only one prefix: 649 AfriNIC Region transit ASes present in the Internet Routing Table: 345 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1179 Number of AfriNIC addresses announced to Internet: 106203392 Equivalent to 6 /8s, 84 /16s and 137 /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 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4566 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3867 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3510 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3285 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2746 862 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 434 196 TATACOMM-AS TATA Communications formerl 45090 2150 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 9682 11264 3343 AMAZON-02, US 11492 4581 304 649 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3602 3043 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3596 1320 75 SHAW, CA 16625 3214 1400 2288 AKAMAI-AS, US 174 3209 6642 667 COGENT-174, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2905 3646 1402 DNIC-ASBLK-00306-00371, US 396982 2760 3640 397 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 7614 1714 147 UNI2-AS, ES 39891 4754 286 59 ALJAWWALSTC-AS, SA 20940 3888 3395 126 AKAMAI-ASN1, NL 9009 3283 285 1601 M247, RO 12389 2893 2304 908 ROSTELECOM-AS, RU 8551 2654 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2350 363 593 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1501 1852 14 TE-AS TE-AS, EG 44477 1491 98 710 STARK-INDUSTRIES, GB 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 12508 3346 607 UNINET, MX 10620 3524 496 890 Telmex Colombia S.A., CO 13999 2526 343 645 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1342 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 349 490 Axtel, S.A.B. de C.V., MX 11664 1144 179 421 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1067 114 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1550 545 28 RAYA-AS, EG 24863 1519 389 20 LINKdotNET-AS, EG 36992 1364 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1159 74 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 531 55 53 WANANCHI-, KE 36914 479 82 3 KENET-AS, KE 24757 449 73 5 EthioNet-AS, ET 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 12508 3346 607 UNINET, MX 9808 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9682 11264 3343 AMAZON-02, US 12479 7614 1714 147 UNI2-AS, ES 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4754 286 59 ALJAWWALSTC-AS, SA 11492 4581 304 649 CABLEONE, US 18403 4566 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3888 3395 126 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 9807 9755 CHINAMOBILE-CN China Mobile Communications Grou 12479 7614 7467 UNI2-AS, ES 16509 9682 6339 AMAZON-02, US 7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4754 4695 ALJAWWALSTC-AS, SA 18403 4566 4541 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4581 3932 CABLEONE, US 7552 3867 3846 VIETEL-AS-AP Viettel Group, VN 20940 3888 3762 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 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 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 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/24 Origin: 136800 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 6939 HURRICANE, 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 /11:98 /12:299 /13:573 /14:1191 /15:2058 /16:13335 /17:8122 /18:13567 /19:24549 /20:43079 /21:50821 /22:109739 /23:97993 /24:567310 /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 6729 7614 UNI2-AS, ES 8151 6471 12508 UNINET, MX 11492 3494 4581 CABLEONE, US 39891 3436 4754 ALJAWWALSTC-AS, SA 6327 3394 3596 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2649 3602 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2130 2654 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2129 3524 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) ---------------------------------------------- 1:2287 2:1529 3:308 4:6 5:4490 6:161 7:6 8:1498 9:1 11:172 12:1469 13:388 14:2350 15:313 16:208 17:364 18:740 20:355 21:4 22:188 23:6614 24:2700 25:2 27:2569 29:19 31:2619 32:45 34:44 35:122 36:2195 37:4495 38:7061 39:893 40:140 41:4073 42:2185 43:2304 44:323 45:16844 46:4343 47:287 49:1894 50:1898 51:576 52:1587 54:313 55:857 56:5 57:147 58:1969 59:1122 60:1021 61:2610 62:2690 63:1900 64:5511 65:2324 66:4666 67:3048 68:1337 69:4051 70:1196 71:574 72:2893 74:2581 75:1553 76:630 77:2402 78:1835 79:2474 80:2143 81:1918 82:1500 83:1244 84:1643 85:3090 86:838 87:1963 88:1231 89:4005 90:684 91:7939 92:2196 93:2631 94:3648 95:4100 96:1286 97:312 98:1036 99:743 100:91 101:1161 102:3087 103:32448 104:4754 105:608 106:928 107:2763 108:1127 109:4025 110:2137 111:3166 112:2057 113:1753 114:1767 115:1977 116:1944 117:2644 118:2767 119:1953 120:1786 121:1268 122:2673 123:2197 124:1561 125:2834 126:28 128:1503 129:914 130:1085 131:1804 132:810 133:410 134:1710 135:312 136:917 137:1028 138:2789 139:1534 140:1367 141:1349 142:1552 143:1481 144:1020 145:343 146:2015 147:1699 148:2483 149:2554 150:1024 151:1322 152:1977 153:526 154:5728 155:1386 156:2089 157:1558 158:1100 159:2224 160:2600 161:1632 162:3595 163:1704 164:1621 165:2109 166:1067 167:1704 168:3936 169:788 170:4701 171:998 172:3842 173:3016 174:898 175:1210 176:3634 177:4439 178:3556 179:2191 180:2368 181:3661 182:3398 183:2024 184:2261 185:20598 186:4815 187:4406 188:4006 189:4059 190:9283 191:1438 192:10967 193:8992 194:7439 195:5250 196:3121 197:2553 198:5899 199:7301 200:8060 201:6370 202:10135 203:10115 204:4550 205:3703 206:4440 207:3411 208:4141 209:4961 210:4371 211:2485 212:4280 213:3394 214:1105 215:44 216:6741 217:2808 218:1313 219:406 220:1827 221:1023 222:695 223:2207 End of report