IPv4 R&E Routing Table Report 23:05 GMT Sat 04 Nov, 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: 925969 Prefixes after maximum aggregation (per Origin AS): 354243 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 454241 Number of IPv4 prefixes with a valid ROA: 426807 Number of IPv4 prefixes with an invalid ROA: 1381 Number of IPv4 prefixes with no ROA: 497781 Total ASes present in the Internet Routing Table: 74789 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64327 Origin ASes announcing only one prefix: 26462 Transit ASes present in the Internet Routing Table: 10462 Transit-only ASes present in the Internet Routing Table: 458 Paths with bogon ASNs present in the IPv4 Routing Table: 6 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1031 Number of instances of unregistered ASNs: 1033 Number of 32-bit ASNs allocated by the RIRs: 43008 Number of 32-bit ASNs visible in the Routing Table: 35260 Prefixes from 32-bit ASNs in the Routing Table: 176382 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: 511 Number of addresses announced to Internet: 3048993024 Equivalent to 181 /8s, 187 /16s and 241 /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: 309245 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242433 Total APNIC prefixes after maximum aggregation: 70741 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 235725 Unique aggregates announced from the APNIC address blocks: 98816 APNIC Region origin ASes present in the Internet Routing Table: 13627 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4080 APNIC Region transit ASes present in the Internet Routing Table: 1824 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9026 Number of APNIC addresses announced to Internet: 771635456 Equivalent to 45 /8s, 254 /16s and 57 /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: 272311 Total ARIN prefixes after maximum aggregation: 123954 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276581 Unique aggregates announced from the ARIN address blocks: 132363 ARIN Region origin ASes present in the Internet Routing Table: 19033 ARIN Prefixes per ASN: 14.53 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1883 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4816 Number of ARIN addresses announced to Internet: 1276377856 Equivalent to 76 /8s, 19 /16s and 251 /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: 261455 Total RIPE prefixes after maximum aggregation: 124399 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256296 Unique aggregates announced from the RIPE address blocks: 160561 RIPE Region origin ASes present in the Internet Routing Table: 28464 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12108 RIPE Region transit ASes present in the Internet Routing Table: 3917 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11414 Number of RIPE addresses announced to Internet: 714999552 Equivalent to 42 /8s, 158 /16s and 7 /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: 118978 Total LACNIC prefixes after maximum aggregation: 28423 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117895 Unique aggregates announced from the LACNIC address blocks: 49339 LACNIC Region origin ASes present in the Internet Routing Table: 11021 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2327 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8860 Number of LACNIC addresses announced to Internet: 178369280 Equivalent to 10 /8s, 161 /16s and 179 /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: 29761 Total AfriNIC prefixes after maximum aggregation: 6020 AfriNIC Deaggregation factor: 4.94 Prefixes being announced from the AfriNIC address blocks: 38961 Unique aggregates announced from the AfriNIC address blocks: 12737 AfriNIC Region origin ASes present in the Internet Routing Table: 1798 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 626 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.8 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1144 Number of AfriNIC addresses announced to Internet: 107188224 Equivalent to 6 /8s, 99 /16s and 144 /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 9524 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4250 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3613 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3323 1872 98 VNPT-AS-VN VNPT Corp, VN 9498 3245 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2572 851 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2191 442 201 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 9149 11016 3331 AMAZON-02, US 11492 4541 301 673 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3546 1320 67 SHAW, CA 22773 3514 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 367 3067 3867 1445 DNIC-ASBLK-00306-00371, US 16625 3044 1386 2302 AKAMAI-AS, US 396982 2709 3598 400 GOOGLE-CLOUD-PLATFORM, US 7018 2510 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 7405 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4017 3397 141 AKAMAI-ASN1, NL 8551 3446 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3424 297 1598 M247, RO 12389 2892 2295 912 ROSTELECOM-AS, RU 34984 2324 361 592 TELLCOM-AS, TR 58224 1660 913 567 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1472 98 1139 ASDETUK www.heficed.com, US 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 11941 3373 617 UNINET, MX 10620 3544 504 860 Telmex Colombia S.A., CO 13999 2432 331 636 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1295 777 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 11664 1058 168 430 Techtel LMDS Comunicaciones Interactiva 26615 1032 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 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 24863 1343 391 43 LINKdotNET-AS, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 503 53 40 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 480 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 11941 3373 617 UNINET, MX 9808 9524 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9149 11016 3331 AMAZON-02, US 12479 7405 1713 145 UNI2-AS, ES 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4541 301 673 CABLEONE, US 18403 4250 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 4017 3397 141 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 9524 9484 CHINAMOBILE-CN China Mobile Communications Grou 12479 7405 7260 UNI2-AS, ES 16509 9149 5818 AMAZON-02, US 7545 5715 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4250 4225 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 20940 4017 3876 AKAMAI-ASN1, NL 11492 4541 3868 CABLEONE, US 7552 3613 3593 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 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 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 /14:1193 /15:2052 /16:13408 /17:8204 /18:13644 /19:24743 /20:43166 /21:51106 /22:109589 /23:98753 /24:559057 /25:0 /26:2 /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 6495 7405 UNI2-AS, ES 8151 5962 11941 UNINET, MX 11492 3454 4541 CABLEONE, US 6327 3356 3546 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2923 3446 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2569 3514 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3544 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) ---------------------------------------------- 1:2218 2:1433 3:271 4:5 5:4393 6:161 7:6 8:1499 9:1 11:172 12:1497 13:353 14:2312 15:304 16:198 17:367 18:666 20:317 21:4 22:188 23:6496 24:2537 25:2 27:2587 29:19 31:2547 32:68 34:29 35:115 36:2023 37:4472 38:5518 39:866 40:135 41:3946 42:2065 43:2267 44:325 45:16696 46:4334 47:372 49:1861 50:1871 51:577 52:1588 54:391 55:885 56:5 57:124 58:1814 59:1112 60:1011 61:2573 62:2660 63:1892 64:5515 65:2345 66:4968 67:3052 68:1341 69:4125 70:1182 71:623 72:2940 74:2628 75:1565 76:637 77:2329 78:1827 79:3005 80:2102 81:1858 82:1518 83:1301 84:1598 85:2987 86:770 87:1940 88:1226 89:3947 90:625 91:7861 92:2127 93:2627 94:3564 95:3997 96:1302 97:315 98:1083 99:735 100:91 101:1380 102:2922 103:32147 104:4776 105:575 106:980 107:2795 108:1132 109:4245 110:2132 111:3133 112:2059 113:1737 114:1698 115:1992 116:1911 117:2549 118:2701 119:1942 120:1749 121:1183 122:2610 123:2172 124:1577 125:2600 128:1405 129:908 130:1047 131:1984 132:809 133:408 134:1687 135:300 136:908 137:981 138:2702 139:1562 140:1325 141:1328 142:1540 143:1545 144:999 145:340 146:1962 147:1623 148:2463 149:2364 150:876 151:1241 152:1834 153:533 154:5287 155:1397 156:2080 157:1354 158:1060 159:2191 160:2618 161:1599 162:3512 163:1599 164:1665 165:1848 166:1059 167:1745 168:3841 169:788 170:4643 171:957 172:3872 173:2994 174:976 175:1189 176:3605 177:4557 178:3532 179:2157 180:2281 181:3582 182:3360 183:1987 184:2267 185:20622 186:4762 187:4235 188:4052 189:3936 190:9317 191:1408 192:10955 193:8954 194:7300 195:5202 196:3118 197:2479 198:5931 199:6418 200:7980 201:6170 202:10218 203:10016 204:4535 205:3685 206:4325 207:3413 208:4092 209:4870 210:4218 211:2448 212:4260 213:3393 214:1114 215:71 216:6695 217:2769 218:1276 219:409 220:1801 221:996 222:680 223:2157 End of report