IPv4 R&E Routing Table Report 23:05 GMT Fri 27 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: 926366 Prefixes after maximum aggregation (per Origin AS): 353668 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454128 Number of IPv4 prefixes with a valid ROA: 426514 Number of IPv4 prefixes with an invalid ROA: 1605 Number of IPv4 prefixes with no ROA: 498247 Total ASes present in the Internet Routing Table: 74742 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64152 Origin ASes announcing only one prefix: 26459 Transit ASes present in the Internet Routing Table: 10590 Transit-only ASes present in the Internet Routing Table: 472 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: 1046 Number of instances of unregistered ASNs: 1049 Number of 32-bit ASNs allocated by the RIRs: 42928 Number of 32-bit ASNs visible in the Routing Table: 35164 Prefixes from 32-bit ASNs in the Routing Table: 175825 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: 513 Number of addresses announced to Internet: 3050917888 Equivalent to 181 /8s, 217 /16s and 80 /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: 309275 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241925 Total APNIC prefixes after maximum aggregation: 70439 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 235463 Unique aggregates announced from the APNIC address blocks: 99043 APNIC Region origin ASes present in the Internet Routing Table: 13558 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 4085 APNIC Region transit ASes present in the Internet Routing Table: 1818 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: 8959 Number of APNIC addresses announced to Internet: 771494400 Equivalent to 45 /8s, 252 /16s and 18 /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: 272456 Total ARIN prefixes after maximum aggregation: 123803 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276557 Unique aggregates announced from the ARIN address blocks: 132345 ARIN Region origin ASes present in the Internet Routing Table: 19046 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1898 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: 4813 Number of ARIN addresses announced to Internet: 1276647680 Equivalent to 76 /8s, 24 /16s and 25 /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: 261826 Total RIPE prefixes after maximum aggregation: 124323 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256546 Unique aggregates announced from the RIPE address blocks: 160367 RIPE Region origin ASes present in the Internet Routing Table: 28441 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12089 RIPE Region transit ASes present in the Internet Routing Table: 3964 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: 11389 Number of RIPE addresses announced to Internet: 716590592 Equivalent to 42 /8s, 182 /16s and 78 /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: 118708 Total LACNIC prefixes after maximum aggregation: 28400 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117657 Unique aggregates announced from the LACNIC address blocks: 49291 LACNIC Region origin ASes present in the Internet Routing Table: 11028 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2684 LACNIC Region transit ASes present in the Internet Routing Table: 2360 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8860 Number of LACNIC addresses announced to Internet: 178287104 Equivalent to 10 /8s, 160 /16s and 114 /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: 30405 Total AfriNIC prefixes after maximum aggregation: 5985 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 39630 Unique aggregates announced from the AfriNIC address blocks: 12653 AfriNIC Region origin ASes present in the Internet Routing Table: 1800 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 623 AfriNIC Region transit ASes present in the Internet Routing Table: 341 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: 1143 Number of AfriNIC addresses announced to Internet: 107475456 Equivalent to 6 /8s, 103 /16s and 242 /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 9478 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4234 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3612 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3604 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3322 1840 100 VNPT-AS-VN VNPT Corp, VN 9498 3228 490 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2558 850 376 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 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 9201 11028 3306 AMAZON-02, US 11492 4539 301 674 CABLEONE, US 7155 4160 288 96 VIASAT-SP-BACKBONE, US 6327 3555 1320 67 SHAW, CA 22773 3519 3055 300 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3064 3849 1426 DNIC-ASBLK-00306-00371, US 16625 3012 1386 2294 AKAMAI-AS, US 396982 2706 3598 397 GOOGLE-CLOUD-PLATFORM, US 7018 2549 23614 1597 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 7418 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4087 3397 147 AKAMAI-ASN1, NL 8551 3445 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3232 285 1603 M247, RO 12389 2891 2295 912 ROSTELECOM-AS, RU 34984 2324 361 592 TELLCOM-AS, TR 58224 1684 916 545 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1522 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 11928 3371 617 UNINET, MX 10620 3540 504 856 Telmex Colombia S.A., CO 13999 2433 337 635 Mega Cable, S.A. de C.V., MX 11830 1999 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 770 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1109 369 22 Telefonica del Peru S.A.A., PE 11664 1057 168 429 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 1604 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 552 1861 34 IAM-AS, MA 15399 537 55 51 WANANCHI-, KE 37342 495 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 11928 3371 617 UNINET, MX 9808 9478 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9201 11028 3306 AMAZON-02, US 12479 7418 1713 145 UNI2-AS, ES 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4539 301 674 CABLEONE, US 18403 4234 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4160 288 96 VIASAT-SP-BACKBONE, US 20940 4087 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 9478 9438 CHINAMOBILE-CN China Mobile Communications Grou 12479 7418 7273 UNI2-AS, ES 16509 9201 5895 AMAZON-02, US 7545 5715 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4234 4209 FPT-AS-AP FPT Telecom Company, VN 7155 4160 4064 VIASAT-SP-BACKBONE, US 20940 4087 3940 AKAMAI-ASN1, NL 11492 4539 3865 CABLEONE, US 7552 3612 3592 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 /13:579 /14:1193 /15:2090 /16:13450 /17:8240 /18:13706 /19:24812 /20:43268 /21:51190 /22:109842 /23:98673 /24:558847 /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 6506 7418 UNI2-AS, ES 8151 5954 11928 UNINET, MX 11492 3452 4539 CABLEONE, US 6327 3364 3555 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3108 4160 VIASAT-SP-BACKBONE, US 8551 2922 3445 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2577 3519 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2154 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2114 3540 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) ---------------------------------------------- 1:2215 2:1437 3:270 4:5 5:4387 6:159 7:6 8:1501 9:1 11:172 12:1508 13:366 14:2306 15:306 16:203 17:362 18:666 20:308 21:4 22:188 23:6489 24:2530 25:2 27:2582 29:19 31:2549 32:71 34:27 35:115 36:2012 37:4462 38:5436 39:866 40:129 41:4019 42:2044 43:2258 44:325 45:16691 46:4333 47:371 49:1863 50:1870 51:578 52:1589 54:395 55:961 56:5 57:128 58:1800 59:1110 60:1009 61:2546 62:2651 63:1901 64:5516 65:2303 66:4968 67:3047 68:1342 69:4128 70:1184 71:627 72:2937 74:2624 75:1566 76:636 77:2327 78:1826 79:3012 80:2116 81:1832 82:1525 83:1304 84:1538 85:3000 86:766 87:1947 88:1196 89:3946 90:625 91:7870 92:2078 93:2626 94:3575 95:3997 96:1304 97:315 98:1083 99:735 100:91 101:1384 102:2957 103:31960 104:4784 105:576 106:981 107:2789 108:1134 109:4238 110:2133 111:3124 112:2058 113:1749 114:1693 115:1987 116:1904 117:2522 118:2702 119:1959 120:1760 121:1160 122:2607 123:2170 124:1577 125:2594 128:1395 129:911 130:1040 131:1971 132:811 133:408 134:1769 135:301 136:910 137:979 138:2680 139:1570 140:1317 141:1328 142:1535 143:1516 144:998 145:348 146:1963 147:1614 148:2468 149:2355 150:879 151:1240 152:1958 153:535 154:5240 155:1401 156:2027 157:1358 158:1060 159:2195 160:2623 161:1592 162:3500 163:1614 164:1685 165:1862 166:1060 167:1747 168:3837 169:792 170:4623 171:954 172:3875 173:2999 174:977 175:1191 176:3601 177:4547 178:3532 179:2130 180:2503 181:3588 182:3367 183:1988 184:2271 185:20634 186:4702 187:4196 188:4051 189:3907 190:9328 191:1397 192:10965 193:8949 194:7303 195:5214 196:3212 197:2559 198:5925 199:6358 200:7944 201:6190 202:10206 203:9986 204:4544 205:3671 206:4336 207:3399 208:4092 209:4878 210:4207 211:2448 212:4254 213:3396 214:1114 215:71 216:6707 217:2762 218:1275 219:408 220:1801 221:985 222:670 223:2145 End of report