IPv4 R&E Routing Table Report 23:05 GMT Sat 14 Oct, 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: 925568 Prefixes after maximum aggregation (per Origin AS): 352709 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453725 Number of IPv4 prefixes with a valid ROA: 425748 Number of IPv4 prefixes with an invalid ROA: 1704 Number of IPv4 prefixes with no ROA: 498116 Total ASes present in the Internet Routing Table: 74746 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64179 Origin ASes announcing only one prefix: 26464 Transit ASes present in the Internet Routing Table: 10567 Transit-only ASes present in the Internet Routing Table: 456 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 106 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1013 Number of instances of unregistered ASNs: 1016 Number of 32-bit ASNs allocated by the RIRs: 42843 Number of 32-bit ASNs visible in the Routing Table: 35171 Prefixes from 32-bit ASNs in the Routing Table: 175470 Number of bogon 32-bit ASNs visible in the Routing Table: 17 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 514 Number of addresses announced to Internet: 3050405376 Equivalent to 181 /8s, 209 /16s and 126 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 309555 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241605 Total APNIC prefixes after maximum aggregation: 70228 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235207 Unique aggregates announced from the APNIC address blocks: 99051 APNIC Region origin ASes present in the Internet Routing Table: 13602 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4072 APNIC Region transit ASes present in the Internet Routing Table: 1825 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8992 Number of APNIC addresses announced to Internet: 771116544 Equivalent to 45 /8s, 246 /16s and 78 /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: 272219 Total ARIN prefixes after maximum aggregation: 123478 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 275873 Unique aggregates announced from the ARIN address blocks: 132043 ARIN Region origin ASes present in the Internet Routing Table: 19043 ARIN Prefixes per ASN: 14.49 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1895 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4808 Number of ARIN addresses announced to Internet: 1276966144 Equivalent to 76 /8s, 28 /16s and 245 /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: 262029 Total RIPE prefixes after maximum aggregation: 123966 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257055 Unique aggregates announced from the RIPE address blocks: 160316 RIPE Region origin ASes present in the Internet Routing Table: 28422 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12099 RIPE Region transit ASes present in the Internet Routing Table: 3951 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11363 Number of RIPE addresses announced to Internet: 716359168 Equivalent to 42 /8s, 178 /16s and 198 /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: 118449 Total LACNIC prefixes after maximum aggregation: 28372 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117417 Unique aggregates announced from the LACNIC address blocks: 49211 LACNIC Region origin ASes present in the Internet Routing Table: 11040 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2701 LACNIC Region transit ASes present in the Internet Routing Table: 2351 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8866 Number of LACNIC addresses announced to Internet: 178436608 Equivalent to 10 /8s, 162 /16s and 186 /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: 30253 Total AfriNIC prefixes after maximum aggregation: 5967 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 39502 Unique aggregates announced from the AfriNIC address blocks: 12676 AfriNIC Region origin ASes present in the Internet Routing Table: 1795 AfriNIC Prefixes per ASN: 22.01 AfriNIC Region origin ASes announcing only one prefix: 629 AfriNIC Region transit ASes present in the Internet Routing Table: 341 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1142 Number of AfriNIC addresses announced to Internet: 107104256 Equivalent to 6 /8s, 98 /16s and 72 /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 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5711 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4209 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3599 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3324 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3209 495 248 BBIL-AP BHARTI Airtel Ltd., IN 24560 2547 849 386 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2191 442 203 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 9166 11005 3259 AMAZON-02, US 11492 4539 301 672 CABLEONE, US 7155 4159 288 96 VIASAT-SP-BACKBONE, US 6327 3546 1319 66 SHAW, CA 22773 3521 3055 297 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3051 3853 1425 DNIC-ASBLK-00306-00371, US 16625 2994 1391 2286 AKAMAI-AS, US 396982 2701 3597 397 GOOGLE-CLOUD-PLATFORM, US 7018 2513 23615 1575 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 7397 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4084 3398 152 AKAMAI-ASN1, NL 8551 3450 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3084 276 1505 M247, RO 12389 2893 2295 913 ROSTELECOM-AS, RU 34984 2334 362 594 TELLCOM-AS, TR 58224 1713 922 538 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1521 1852 15 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 11868 3381 605 UNINET, MX 10620 3538 504 860 Telmex Colombia S.A., CO 13999 2395 326 621 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 232 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 770 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1285 343 509 Axtel, S.A.B. de C.V., MX 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1054 168 425 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 24863 1605 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1044 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 535 55 51 WANANCHI-, KE 24757 479 73 5 EthioNet-AS, ET 37342 461 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 11868 3381 605 UNINET, MX 9808 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9166 11005 3259 AMAZON-02, US 12479 7397 1713 145 UNI2-AS, ES 7545 5711 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4539 301 672 CABLEONE, US 18403 4209 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4159 288 96 VIASAT-SP-BACKBONE, US 20940 4084 3398 152 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 9487 9447 CHINAMOBILE-CN China Mobile Communications Grou 12479 7397 7252 UNI2-AS, ES 16509 9166 5907 AMAZON-02, US 7545 5711 5015 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4209 4184 FPT-AS-AP FPT Telecom Company, VN 7155 4159 4063 VIASAT-SP-BACKBONE, US 20940 4084 3932 AKAMAI-ASN1, NL 11492 4539 3867 CABLEONE, US 7552 3599 3579 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 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, 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 6461 ZAYO-6461, 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 /11:101 /12:299 /13:578 /14:1190 /15:2085 /16:13427 /17:8230 /18:13714 /19:24810 /20:43300 /21:51183 /22:109748 /23:98603 /24:558224 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6483 7397 UNI2-AS, ES 8151 5886 11868 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3452 4539 CABLEONE, US 6327 3356 3546 SHAW, CA 7155 3107 4159 VIASAT-SP-BACKBONE, US 8551 2927 3450 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2579 3521 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2112 3538 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) ---------------------------------------------- 1:2207 2:1433 3:266 4:5 5:4380 6:137 7:6 8:1497 9:1 11:172 12:1499 13:372 14:2308 15:303 16:194 17:366 18:660 20:308 21:4 22:188 23:6445 24:2518 25:2 27:2576 29:19 31:2546 32:75 34:26 35:114 36:2000 37:4530 38:5411 39:865 40:143 41:4016 42:2028 43:2269 44:323 45:16615 46:4282 47:371 49:1832 50:1883 51:582 52:1596 54:393 55:950 56:5 57:128 58:1786 59:1115 60:1005 61:2543 62:2675 63:1911 64:5644 65:2351 66:4961 67:3037 68:1342 69:4122 70:1186 71:639 72:2942 74:2618 75:1566 76:630 77:2297 78:1827 79:3006 80:2101 81:1825 82:1519 83:1308 84:1563 85:3052 86:759 87:2017 88:1209 89:3927 90:626 91:7854 92:2063 93:2626 94:3541 95:4074 96:1300 97:316 98:1082 99:735 100:91 101:1294 102:2912 103:32157 104:4736 105:578 106:908 107:2720 108:1133 109:4235 110:2135 111:3144 112:2051 113:1749 114:1693 115:1988 116:1892 117:2531 118:2703 119:1957 120:1781 121:1139 122:2599 123:2170 124:1579 125:2565 128:1404 129:911 130:1041 131:1956 132:855 133:408 134:1778 135:303 136:908 137:973 138:2656 139:1586 140:1298 141:1335 142:1514 143:1519 144:1002 145:350 146:1953 147:1610 148:2438 149:2327 150:877 151:1233 152:1957 153:523 154:5117 155:1389 156:2004 157:1341 158:1053 159:2196 160:2632 161:1596 162:3514 163:1609 164:1701 165:1855 166:1069 167:1737 168:3820 169:792 170:4604 171:952 172:3794 173:2974 174:983 175:1181 176:3779 177:4494 178:3555 179:2138 180:2465 181:3516 182:3376 183:1993 184:2276 185:20624 186:4715 187:4176 188:4157 189:3882 190:9293 191:1373 192:10940 193:8948 194:7291 195:5212 196:3196 197:2599 198:5919 199:6244 200:7932 201:6163 202:10192 203:9977 204:4534 205:3684 206:4321 207:3408 208:4103 209:4886 210:4214 211:2448 212:4284 213:3390 214:1101 215:70 216:6697 217:2772 218:1270 219:407 220:1803 221:983 222:664 223:2143 End of report