IPv4 R&E Routing Table Report 23:05 GMT Mon 01 Jul, 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: 945317 Prefixes after maximum aggregation (per Origin AS): 362089 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464907 Number of IPv4 prefixes with a valid ROA: 483169 Number of IPv4 prefixes with an invalid ROA: 1120 Number of IPv4 prefixes with no ROA: 461028 Total ASes present in the Internet Routing Table: 75728 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65042 Origin ASes announcing only one prefix: 26674 Transit ASes present in the Internet Routing Table: 10686 Transit-only ASes present in the Internet Routing Table: 512 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: 106 Max AS path prepend of ASN (269289) 101 Prefixes from unregistered ASNs in the Routing Table: 1016 Number of instances of unregistered ASNs: 1019 Number of 32-bit ASNs allocated by the RIRs: 44928 Number of 32-bit ASNs visible in the Routing Table: 36598 Prefixes from 32-bit ASNs in the Routing Table: 187335 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: 554 Number of addresses announced to Internet: 3024026112 Equivalent to 180 /8s, 62 /16s and 250 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310745 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249171 Total APNIC prefixes after maximum aggregation: 73493 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241251 Unique aggregates announced from the APNIC address blocks: 101012 APNIC Region origin ASes present in the Internet Routing Table: 14134 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4297 APNIC Region transit ASes present in the Internet Routing Table: 1874 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9603 Number of APNIC addresses announced to Internet: 761051904 Equivalent to 45 /8s, 92 /16s and 187 /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: 276345 Total ARIN prefixes after maximum aggregation: 125127 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280878 Unique aggregates announced from the ARIN address blocks: 134652 ARIN Region origin ASes present in the Internet Routing Table: 19087 ARIN Prefixes per ASN: 14.72 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1933 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4916 Number of ARIN addresses announced to Internet: 1266564096 Equivalent to 75 /8s, 126 /16s and 60 /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: 265435 Total RIPE prefixes after maximum aggregation: 127562 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260181 Unique aggregates announced from the RIPE address blocks: 165054 RIPE Region origin ASes present in the Internet Routing Table: 28637 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 12124 RIPE Region transit ASes present in the Internet Routing Table: 3928 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11864 Number of RIPE addresses announced to Internet: 713576704 Equivalent to 42 /8s, 136 /16s and 81 /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: 121461 Total LACNIC prefixes after maximum aggregation: 29009 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 119538 Unique aggregates announced from the LACNIC address blocks: 50038 LACNIC Region origin ASes present in the Internet Routing Table: 11110 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2427 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 106 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9000 Number of LACNIC addresses announced to Internet: 176752384 Equivalent to 10 /8s, 137 /16s and 7 /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: 31889 Total AfriNIC prefixes after maximum aggregation: 6223 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 42915 Unique aggregates announced from the AfriNIC address blocks: 13701 AfriNIC Region origin ASes present in the Internet Routing Table: 1852 AfriNIC Prefixes per ASN: 23.17 AfriNIC Region origin ASes announcing only one prefix: 661 AfriNIC Region transit ASes present in the Internet Routing Table: 353 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1215 Number of AfriNIC addresses announced to Internet: 105716224 Equivalent to 6 /8s, 77 /16s and 26 /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 9842 8745 72 CHINAMOBILE-CN China Mobile Communicati 7545 5643 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4237 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3955 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3785 511 265 BBIL-AP BHARTI Airtel Ltd., IN 7713 3639 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3265 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2824 862 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2198 420 209 TATACOMM-AS TATA Communications formerl 45090 2186 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 10113 11531 3664 AMAZON-02, US 11492 4641 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3681 8788 883 COGENT-174, US 6327 3594 1320 79 SHAW, CA 22773 3442 3021 210 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54899 2507 DNIC-AS-00749, US 16625 3035 1316 2202 AKAMAI-AS, US 7018 2911 23670 1833 ATT-INTERNET4, US 396982 2766 3611 414 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 7707 1708 145 UNI2-AS, ES 39891 4690 282 60 ALJAWWALSTC-AS, SA 20940 3810 3396 130 AKAMAI-ASN1, NL 9009 3594 306 1818 M247, RO 12389 2871 2292 861 ROSTELECOM-AS, RU 34984 2347 361 579 TELLCOM-AS, TR 8551 1777 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1702 123 1233 CDNEXT, GB 13188 1579 99 123 TRIOLAN, UA 8452 1572 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 11870 3311 508 UNINET, MX 10620 3518 492 938 Telmex Colombia S.A., CO 13999 2553 357 677 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1317 776 187 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 6147 1092 369 22 Telefonica del Peru S.A.A., PE 26615 1080 2503 53 TIM SA, BR 22884 1062 97 366 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 24863 1622 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1380 1520 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1235 78 74 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 518 56 56 WANANCHI-, KE 36914 501 82 3 KENET-AS, KE 37342 478 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 11870 3311 508 UNINET, MX 16509 10113 11531 3664 AMAZON-02, US 9808 9842 8745 72 CHINAMOBILE-CN China Mobile Communicati 12479 7707 1708 145 UNI2-AS, ES 7545 5643 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4690 282 60 ALJAWWALSTC-AS, SA 11492 4641 308 547 CABLEONE, US 18403 4237 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3955 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 9842 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7707 7562 UNI2-AS, ES 16509 10113 6449 AMAZON-02, US 7545 5643 4973 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4690 4630 ALJAWWALSTC-AS, SA 18403 4237 4214 FPT-AS-AP FPT Telecom Company, VN 11492 4641 4094 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3955 3934 VIETEL-AS-AP Viettel Group, VN 20940 3810 3680 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 17054 EXPEDIENT, 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 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /12:296 /13:569 /14:1170 /15:2057 /16:13207 /17:8149 /18:13601 /19:24361 /20:43083 /21:51155 /22:110675 /23:98952 /24:577875 /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 6796 7707 UNI2-AS, ES 8151 5941 11870 UNINET, MX 11492 3548 4641 CABLEONE, US 6327 3390 3594 SHAW, CA 39891 3372 4690 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2557 3442 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2489 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2147 3518 Telmex Colombia S.A., CO 16509 2118 10113 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2300 2:1499 3:365 4:6 5:4293 6:162 7:6 8:1507 9:1 11:172 12:1444 13:359 14:2364 15:318 16:219 17:368 18:774 20:387 21:4 22:188 23:6867 24:2712 25:2 27:2621 29:19 31:2576 32:45 34:65 35:134 36:2339 37:4464 38:7946 39:899 40:146 41:4070 42:2004 43:2338 44:324 45:17262 46:4500 47:301 49:1960 50:1890 51:582 52:1583 54:313 55:908 56:8 57:212 58:2090 59:1192 60:1040 61:2629 62:2747 63:1883 64:5487 65:2307 66:4597 67:2990 68:1299 69:4051 70:1173 71:578 72:2874 74:2592 75:1550 76:621 77:2501 78:1858 79:1787 80:2197 81:2018 82:1645 83:1354 84:1678 85:3182 86:918 87:2030 88:1225 89:4173 90:685 91:8164 92:2334 93:2697 94:3721 95:4201 96:1286 97:317 98:1029 99:739 100:73 101:1164 102:3501 103:32212 104:4775 105:705 106:990 107:2482 108:1138 109:4008 110:2126 111:3251 112:2043 113:1807 114:1817 115:2076 116:1867 117:2658 118:2801 119:1987 120:1778 121:1300 122:2692 123:2208 124:1611 125:2851 126:32 128:1388 129:919 130:1163 131:1865 132:804 133:413 134:1732 135:320 136:1122 137:1055 138:2860 139:1522 140:1409 141:1385 142:1666 143:1553 144:994 145:371 146:2082 147:1979 148:2537 149:2727 150:1035 151:1370 152:2221 153:520 154:6991 155:1492 156:2289 157:1875 158:1155 159:2313 160:2756 161:1693 162:3536 163:1689 164:1668 165:2142 166:1268 167:1813 168:4050 169:791 170:4932 171:1030 172:3864 173:3043 174:888 175:1239 176:3447 177:4783 178:3654 179:2206 180:2414 181:3778 182:3344 183:1985 184:2254 185:20842 186:4979 187:4430 188:4043 189:4175 190:9427 191:1487 192:11022 193:9136 194:7506 195:5303 196:3207 197:2725 198:5904 199:7938 200:8057 201:6302 202:10169 203:10168 204:4551 205:3642 206:4428 207:3490 208:4140 209:5005 210:4400 211:2530 212:4341 213:3556 214:1055 215:49 216:6744 217:3060 218:1289 219:417 220:1806 221:1037 222:686 223:2217 End of report