IPv4 R&E Routing Table Report 23:05 GMT Sat 21 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: 925759 Prefixes after maximum aggregation (per Origin AS): 353029 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453721 Number of IPv4 prefixes with a valid ROA: 426690 Number of IPv4 prefixes with an invalid ROA: 1650 Number of IPv4 prefixes with no ROA: 497419 Total ASes present in the Internet Routing Table: 74785 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64197 Origin ASes announcing only one prefix: 26456 Transit ASes present in the Internet Routing Table: 10588 Transit-only ASes present in the Internet Routing Table: 465 Paths with bogon ASNs present in the IPv4 Routing Table: 25 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: 1056 Number of instances of unregistered ASNs: 1059 Number of 32-bit ASNs allocated by the RIRs: 42889 Number of 32-bit ASNs visible in the Routing Table: 35214 Prefixes from 32-bit ASNs in the Routing Table: 175748 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 518 Number of addresses announced to Internet: 3049448448 Equivalent to 181 /8s, 194 /16s and 228 /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: 99.6 Total number of prefixes smaller than registry allocations: 309280 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241874 Total APNIC prefixes after maximum aggregation: 70312 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235373 Unique aggregates announced from the APNIC address blocks: 99095 APNIC Region origin ASes present in the Internet Routing Table: 13623 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 4078 APNIC Region transit ASes present in the Internet Routing Table: 1819 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9015 Number of APNIC addresses announced to Internet: 770417152 Equivalent to 45 /8s, 235 /16s and 162 /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: 272236 Total ARIN prefixes after maximum aggregation: 123586 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276031 Unique aggregates announced from the ARIN address blocks: 132027 ARIN Region origin ASes present in the Internet Routing Table: 19021 ARIN Prefixes per ASN: 14.51 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1906 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: 4809 Number of ARIN addresses announced to Internet: 1276824832 Equivalent to 76 /8s, 26 /16s and 205 /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: 261632 Total RIPE prefixes after maximum aggregation: 123998 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256758 Unique aggregates announced from the RIPE address blocks: 160292 RIPE Region origin ASes present in the Internet Routing Table: 28433 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12097 RIPE Region transit ASes present in the Internet Routing Table: 3954 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: 11375 Number of RIPE addresses announced to Internet: 716432128 Equivalent to 42 /8s, 179 /16s and 227 /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: 118812 Total LACNIC prefixes after maximum aggregation: 28420 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117762 Unique aggregates announced from the LACNIC address blocks: 49207 LACNIC Region origin ASes present in the Internet Routing Table: 11041 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2696 LACNIC Region transit ASes present in the Internet Routing Table: 2356 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8869 Number of LACNIC addresses announced to Internet: 178369792 Equivalent to 10 /8s, 161 /16s and 181 /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: 30149 Total AfriNIC prefixes after maximum aggregation: 5991 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 39317 Unique aggregates announced from the AfriNIC address blocks: 12666 AfriNIC Region origin ASes present in the Internet Routing Table: 1801 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1146 Number of AfriNIC addresses announced to Internet: 106981120 Equivalent to 6 /8s, 96 /16s and 103 /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 9486 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5713 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4211 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3605 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 3213 492 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2553 849 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2189 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 9155 11005 3306 AMAZON-02, US 11492 4539 301 672 CABLEONE, US 7155 4159 288 96 VIASAT-SP-BACKBONE, US 6327 3547 1320 67 SHAW, CA 22773 3516 3055 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3073 3850 1432 DNIC-ASBLK-00306-00371, US 16625 3031 1397 2306 AKAMAI-AS, US 396982 2704 3598 397 GOOGLE-CLOUD-PLATFORM, US 7018 2539 23614 1592 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 7394 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4083 3397 147 AKAMAI-ASN1, NL 8551 3449 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3109 277 1528 M247, RO 12389 2905 2297 915 ROSTELECOM-AS, RU 34984 2332 362 592 TELLCOM-AS, TR 58224 1700 920 522 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1483 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 11890 3373 610 UNINET, MX 10620 3542 504 858 Telmex Colombia S.A., CO 13999 2419 333 628 Mega Cable, S.A. de C.V., MX 11830 2002 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 770 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1110 369 22 Telefonica del Peru S.A.A., PE 11664 1057 168 427 Techtel LMDS Comunicaciones Interactiva 26615 1040 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 1606 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 1047 67 46 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 537 55 51 WANANCHI-, KE 24757 479 73 5 EthioNet-AS, ET 37342 471 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 11890 3373 610 UNINET, MX 9808 9486 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9155 11005 3306 AMAZON-02, US 12479 7394 1713 145 UNI2-AS, ES 7545 5713 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4539 301 672 CABLEONE, US 18403 4211 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4159 288 96 VIASAT-SP-BACKBONE, US 20940 4083 3397 147 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 9486 9446 CHINAMOBILE-CN China Mobile Communications Grou 12479 7394 7249 UNI2-AS, ES 16509 9155 5849 AMAZON-02, US 7545 5713 5017 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4211 4186 FPT-AS-AP FPT Telecom Company, VN 7155 4159 4063 VIASAT-SP-BACKBONE, US 20940 4083 3936 AKAMAI-ASN1, NL 11492 4539 3867 CABLEONE, US 7552 3605 3585 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 /11:100 /12:299 /13:578 /14:1190 /15:2085 /16:13429 /17:8234 /18:13691 /19:24765 /20:43230 /21:51168 /22:109777 /23:98722 /24:558415 /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 6481 7394 UNI2-AS, ES 8151 5920 11890 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3452 4539 CABLEONE, US 6327 3356 3547 SHAW, CA 7155 3107 4159 VIASAT-SP-BACKBONE, US 8551 2926 3449 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2576 3516 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2116 3542 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 2:1436 3:270 4:5 5:4389 6:153 7:6 8:1498 9:1 11:172 12:1502 13:367 14:2307 15:305 16:194 17:362 18:663 20:308 21:4 22:188 23:6468 24:2522 25:2 27:2579 29:19 31:2550 32:72 34:27 35:114 36:2006 37:4483 38:5456 39:867 40:143 41:3993 42:2040 43:2267 44:323 45:16634 46:4317 47:370 49:1830 50:1879 51:577 52:1583 54:392 55:960 56:5 57:128 58:1791 59:1110 60:1006 61:2545 62:2692 63:1908 64:5640 65:2355 66:4950 67:3050 68:1343 69:4120 70:1185 71:639 72:2941 74:2620 75:1563 76:629 77:2302 78:1829 79:3007 80:2115 81:1828 82:1518 83:1304 84:1562 85:3048 86:767 87:2005 88:1205 89:3941 90:623 91:7852 92:2069 93:2632 94:3564 95:4001 96:1302 97:316 98:1081 99:735 100:92 101:1291 102:2932 103:32207 104:4779 105:577 106:914 107:2721 108:1133 109:4241 110:2138 111:3130 112:2054 113:1751 114:1692 115:1988 116:1895 117:2531 118:2701 119:1957 120:1783 121:1139 122:2601 123:2174 124:1574 125:2577 128:1409 129:909 130:1038 131:1950 132:856 133:408 134:1767 135:300 136:906 137:978 138:2673 139:1576 140:1301 141:1332 142:1505 143:1516 144:999 145:350 146:1960 147:1613 148:2467 149:2337 150:880 151:1241 152:1954 153:523 154:5161 155:1399 156:2011 157:1346 158:1057 159:2191 160:2638 161:1598 162:3512 163:1615 164:1704 165:1862 166:1020 167:1738 168:3824 169:789 170:4608 171:951 172:3794 173:2989 174:978 175:1186 176:3608 177:4511 178:3539 179:2152 180:2472 181:3533 182:3382 183:1981 184:2270 185:20603 186:4714 187:4183 188:4089 189:3890 190:9312 191:1381 192:10922 193:8960 194:7307 195:5219 196:3215 197:2481 198:5928 199:6305 200:7978 201:6189 202:10194 203:9977 204:4530 205:3690 206:4328 207:3404 208:4097 209:4898 210:4210 211:2448 212:4266 213:3390 214:1110 215:71 216:6701 217:2769 218:1271 219:407 220:1803 221:984 222:665 223:2151 End of report