IPv4 R&E Routing Table Report 23:05 GMT Fri 15 Dec, 2023 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: 928834 Prefixes after maximum aggregation (per Origin AS): 355749 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455537 Number of IPv4 prefixes with a valid ROA: 433440 Number of IPv4 prefixes with an invalid ROA: 710 Number of IPv4 prefixes with no ROA: 494684 Total ASes present in the Internet Routing Table: 74949 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64445 Origin ASes announcing only one prefix: 26525 Transit ASes present in the Internet Routing Table: 10504 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 1020 Number of instances of unregistered ASNs: 1022 Number of 32-bit ASNs allocated by the RIRs: 43226 Number of 32-bit ASNs visible in the Routing Table: 35481 Prefixes from 32-bit ASNs in the Routing Table: 177759 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: 513 Number of addresses announced to Internet: 3046472192 Equivalent to 181 /8s, 149 /16s and 122 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 309686 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243620 Total APNIC prefixes after maximum aggregation: 71294 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 236846 Unique aggregates announced from the APNIC address blocks: 99316 APNIC Region origin ASes present in the Internet Routing Table: 13742 APNIC Prefixes per ASN: 17.24 APNIC Region origin ASes announcing only one prefix: 4134 APNIC Region transit ASes present in the Internet Routing Table: 1843 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9144 Number of APNIC addresses announced to Internet: 770165504 Equivalent to 45 /8s, 231 /16s and 203 /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: 272397 Total ARIN prefixes after maximum aggregation: 124182 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277061 Unique aggregates announced from the ARIN address blocks: 132694 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1886 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: 4817 Number of ARIN addresses announced to Internet: 1275374080 Equivalent to 76 /8s, 4 /16s and 170 /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: 261883 Total RIPE prefixes after maximum aggregation: 124921 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256417 Unique aggregates announced from the RIPE address blocks: 160818 RIPE Region origin ASes present in the Internet Routing Table: 28479 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12111 RIPE Region transit ASes present in the Internet Routing Table: 3919 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11470 Number of RIPE addresses announced to Internet: 714654720 Equivalent to 42 /8s, 152 /16s and 196 /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: 119638 Total LACNIC prefixes after maximum aggregation: 28600 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118323 Unique aggregates announced from the LACNIC address blocks: 49372 LACNIC Region origin ASes present in the Internet Routing Table: 11045 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2361 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: 8893 Number of LACNIC addresses announced to Internet: 178136576 Equivalent to 10 /8s, 158 /16s and 38 /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: 30276 Total AfriNIC prefixes after maximum aggregation: 6040 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39674 Unique aggregates announced from the AfriNIC address blocks: 12915 AfriNIC Region origin ASes present in the Internet Routing Table: 1813 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 643 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1157 Number of AfriNIC addresses announced to Internet: 107780608 Equivalent to 6 /8s, 108 /16s and 154 /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 9764 8731 43 CHINAMOBILE-CN China Mobile Communicati 7545 5672 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4438 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3641 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3267 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3256 494 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2644 854 364 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 587 KIXS-AS-KR Korea Telecom, KR 4755 2187 442 199 TATACOMM-AS TATA Communications formerl 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 9385 11181 3405 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4167 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3476 3038 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 16625 3153 1402 2315 AKAMAI-AS, US 367 2935 3832 1396 DNIC-ASBLK-00306-00371, US 396982 2736 3637 383 GOOGLE-CLOUD-PLATFORM, US 7018 2575 23627 1593 ATT-INTERNET4, 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 7582 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3981 3397 140 AKAMAI-ASN1, NL 9009 3496 300 1629 M247, RO 8551 3356 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2300 909 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1595 888 593 TCI, IR 8452 1539 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 12148 3379 601 UNINET, MX 10620 3518 496 885 Telmex Colombia S.A., CO 13999 2490 339 634 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 341 501 Axtel, S.A.B. de C.V., MX 11664 1091 177 431 Techtel LMDS Comunicaciones Interactiva 6147 1084 369 22 Telefonica del Peru S.A.A., PE 22884 1075 118 383 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 1548 545 28 RAYA-AS, EG 24863 1522 389 16 LINKdotNET-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1048 68 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 526 82 3 KENET-AS, KE 15399 521 55 51 WANANCHI-, KE 24757 476 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 12148 3379 601 UNINET, MX 9808 9764 8731 43 CHINAMOBILE-CN China Mobile Communicati 16509 9385 11181 3405 AMAZON-02, US 12479 7582 1714 146 UNI2-AS, ES 7545 5672 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4438 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4167 288 96 VIASAT-SP-BACKBONE, US 20940 3981 3397 140 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 9764 9721 CHINAMOBILE-CN China Mobile Communications Grou 12479 7582 7436 UNI2-AS, ES 16509 9385 5980 AMAZON-02, US 7545 5672 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4438 4413 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4071 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3981 3841 AKAMAI-ASN1, NL 7552 3641 3621 VIETEL-AS-AP Viettel Group, VN 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 LIGHTOWER, 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 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 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /10:37 /11:99 /12:298 /13:578 /14:1191 /15:2058 /16:13400 /17:8162 /18:13658 /19:24748 /20:43133 /21:51133 /22:109911 /23:99048 /24:561342 /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 6668 7582 UNI2-AS, ES 8151 6153 12148 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3113 4167 VIASAT-SP-BACKBONE, US 8551 2833 3356 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2533 3476 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2138 2484 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3518 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) ---------------------------------------------- 1:2242 2:1407 3:282 4:5 5:4386 6:162 7:6 8:1497 9:1 11:172 12:1488 13:372 14:2321 15:305 16:207 17:360 18:701 20:343 21:4 22:188 23:6565 24:2594 25:2 27:2548 29:19 31:2543 32:53 34:36 35:116 36:2087 37:4489 38:5727 39:881 40:139 41:4095 42:2127 43:2289 44:327 45:16645 46:4385 47:286 49:1895 50:1880 51:571 52:1595 54:381 55:872 56:5 57:126 58:1853 59:1104 60:1009 61:2471 62:2741 63:1905 64:5495 65:2348 66:4958 67:3048 68:1327 69:4053 70:1162 71:608 72:2925 74:2634 75:1550 76:626 77:2333 78:1811 79:3000 80:2111 81:1865 82:1523 83:1320 84:1606 85:2963 86:787 87:1972 88:1229 89:3936 90:650 91:7882 92:2181 93:2634 94:3577 95:3997 96:1297 97:316 98:1018 99:747 100:95 101:1144 102:3000 103:32321 104:4778 105:599 106:978 107:2756 108:1138 109:4165 110:2132 111:3151 112:2074 113:1702 114:1746 115:1971 116:1928 117:2559 118:2749 119:1945 120:1753 121:1239 122:2634 123:2170 124:1582 125:2746 128:1426 129:901 130:1059 131:1972 132:818 133:411 134:1716 135:295 136:910 137:982 138:2708 139:1547 140:1325 141:1354 142:1535 143:1529 144:980 145:334 146:1994 147:1643 148:2490 149:2392 150:1011 151:1280 152:1839 153:528 154:5352 155:1377 156:2092 157:1364 158:1088 159:2198 160:2624 161:1617 162:3584 163:1629 164:1614 165:1863 166:1082 167:1740 168:3806 169:787 170:4677 171:969 172:3754 173:3024 174:899 175:1212 176:3588 177:4662 178:3522 179:2216 180:2337 181:3608 182:3406 183:2018 184:2267 185:20468 186:4768 187:4278 188:3989 189:3949 190:9319 191:1478 192:10962 193:8981 194:7336 195:5210 196:3138 197:2623 198:5906 199:6751 200:7980 201:6248 202:10177 203:10018 204:4572 205:3659 206:4397 207:3384 208:4076 209:4908 210:4296 211:2484 212:4210 213:3365 214:1116 215:49 216:6763 217:2770 218:1289 219:413 220:1797 221:1016 222:699 223:2191 End of report