IPv4 R&E Routing Table Report 23:05 GMT Wed 27 Sep, 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: 923352 Prefixes after maximum aggregation (per Origin AS): 351945 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452747 Number of IPv4 prefixes with a valid ROA: 421622 Number of IPv4 prefixes with an invalid ROA: 1710 Number of IPv4 prefixes with no ROA: 500020 Total ASes present in the Internet Routing Table: 74657 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64229 Origin ASes announcing only one prefix: 26377 Transit ASes present in the Internet Routing Table: 10428 Transit-only ASes present in the Internet Routing Table: 447 Paths with bogon ASNs present in the IPv4 Routing Table: 47 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 999 Number of instances of unregistered ASNs: 1001 Number of 32-bit ASNs allocated by the RIRs: 42708 Number of 32-bit ASNs visible in the Routing Table: 35083 Prefixes from 32-bit ASNs in the Routing Table: 174812 Number of bogon 32-bit ASNs visible in the Routing Table: 77 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 526 Number of addresses announced to Internet: 3053324288 Equivalent to 181 /8s, 254 /16s and 8 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308316 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241291 Total APNIC prefixes after maximum aggregation: 70108 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234927 Unique aggregates announced from the APNIC address blocks: 98797 APNIC Region origin ASes present in the Internet Routing Table: 13568 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4050 APNIC Region transit ASes present in the Internet Routing Table: 1808 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8960 Number of APNIC addresses announced to Internet: 772329216 Equivalent to 46 /8s, 8 /16s and 207 /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: 271239 Total ARIN prefixes after maximum aggregation: 123322 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274796 Unique aggregates announced from the ARIN address blocks: 131718 ARIN Region origin ASes present in the Internet Routing Table: 19041 ARIN Prefixes per ASN: 14.43 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1875 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4819 Number of ARIN addresses announced to Internet: 1278060544 Equivalent to 76 /8s, 45 /16s and 168 /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: 261350 Total RIPE prefixes after maximum aggregation: 123477 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256640 Unique aggregates announced from the RIPE address blocks: 159911 RIPE Region origin ASes present in the Internet Routing Table: 28402 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11333 Number of RIPE addresses announced to Internet: 716399360 Equivalent to 42 /8s, 179 /16s and 99 /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: 118354 Total LACNIC prefixes after maximum aggregation: 28365 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117285 Unique aggregates announced from the LACNIC address blocks: 49287 LACNIC Region origin ASes present in the Internet Routing Table: 11015 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2689 LACNIC Region transit ASes present in the Internet Routing Table: 2330 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8833 Number of LACNIC addresses announced to Internet: 178402816 Equivalent to 10 /8s, 162 /16s and 54 /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: 30119 Total AfriNIC prefixes after maximum aggregation: 5977 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39178 Unique aggregates announced from the AfriNIC address blocks: 12595 AfriNIC Region origin ASes present in the Internet Routing Table: 1794 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 631 AfriNIC Region transit ASes present in the Internet Routing Table: 334 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: 1138 Number of AfriNIC addresses announced to Internet: 107706880 Equivalent to 6 /8s, 107 /16s and 122 /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 9484 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5723 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4263 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3591 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3591 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3324 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3169 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2525 850 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2188 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 9066 10986 3249 AMAZON-02, US 11492 4533 301 670 CABLEONE, US 7155 4176 288 98 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3531 3039 301 ASN-CXA-ALL-CCI-22773-RDC, US 749 3151 54959 2403 DNIC-AS-00749, US 367 2993 3834 1415 DNIC-ASBLK-00306-00371, US 16625 2977 1403 2278 AKAMAI-AS, US 396982 2698 3597 395 GOOGLE-CLOUD-PLATFORM, US 30036 2496 359 388 MEDIACOM-ENTERPRISE-BUSINESS, 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 7390 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4042 3398 152 AKAMAI-ASN1, NL 8551 3446 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2905 2296 913 ROSTELECOM-AS, RU 9009 2894 264 1479 M247, RO 34984 2336 363 594 TELLCOM-AS, TR 58224 1723 923 527 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1488 1852 16 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 11876 3368 602 UNINET, MX 10620 3516 503 891 Telmex Colombia S.A., CO 13999 2397 330 617 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1327 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1296 766 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1105 179 427 Techtel LMDS Comunicaciones Interactiva 26615 1034 2501 49 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 1360 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 518 55 49 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 471 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 11876 3368 602 UNINET, MX 9808 9484 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9066 10986 3249 AMAZON-02, US 12479 7390 1713 145 UNI2-AS, ES 7545 5723 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4533 301 670 CABLEONE, US 18403 4263 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4176 288 98 VIASAT-SP-BACKBONE, US 20940 4042 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 9484 9443 CHINAMOBILE-CN China Mobile Communications Grou 12479 7390 7245 UNI2-AS, ES 16509 9066 5817 AMAZON-02, US 7545 5723 5035 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4263 4238 FPT-AS-AP FPT Telecom Company, VN 7155 4176 4078 VIASAT-SP-BACKBONE, US 20940 4042 3890 AKAMAI-ASN1, NL 11492 4533 3863 CABLEONE, US 7552 3591 3571 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 /10:38 /11:101 /12:297 /13:575 /14:1195 /15:2096 /16:13453 /17:8219 /18:13739 /19:24820 /20:43139 /21:50812 /22:109597 /23:98662 /24:556570 /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 6477 7390 UNI2-AS, ES 8151 5892 11876 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3445 4533 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3122 4176 VIASAT-SP-BACKBONE, US 8551 2923 3446 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2581 3531 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2496 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2087 3516 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) ---------------------------------------------- 1:2208 2:1413 3:265 4:5 5:4446 6:137 7:6 8:1500 9:1 11:172 12:1514 13:368 14:2319 15:303 16:194 17:368 18:652 20:287 21:4 22:188 23:6403 24:2499 25:2 27:2584 29:19 31:2535 32:75 34:26 35:114 36:2001 37:4517 38:5359 39:870 40:146 41:4037 42:2066 43:2270 44:318 45:16589 46:4281 47:370 49:1820 50:1877 51:590 52:1595 54:392 55:965 56:5 57:122 58:1793 59:1118 60:1005 61:2536 62:2675 63:1908 64:5639 65:2361 66:4926 67:3031 68:1339 69:4139 70:1192 71:668 72:2952 74:2612 75:1560 76:628 77:2298 78:1823 79:2986 80:2107 81:1829 82:1490 83:1297 84:1540 85:3060 86:770 87:2003 88:1201 89:3893 90:621 91:7803 92:2065 93:2596 94:3518 95:4018 96:1299 97:315 98:1079 99:730 100:90 101:1287 102:2877 103:32029 104:4703 105:576 106:906 107:2686 108:1126 109:4230 110:2129 111:3146 112:2057 113:1752 114:1689 115:1994 116:1875 117:2538 118:2697 119:1963 120:1776 121:1121 122:2600 123:2166 124:1571 125:2522 128:1396 129:910 130:1035 131:1972 132:856 133:408 134:1783 135:306 136:969 137:971 138:2627 139:1577 140:1285 141:1321 142:1503 143:1550 144:1004 145:352 146:1937 147:1595 148:2422 149:2275 150:875 151:1229 152:1982 153:522 154:5054 155:1386 156:1931 157:1338 158:1055 159:2235 160:2614 161:1562 162:3541 163:1582 164:1688 165:1855 166:1055 167:1738 168:3718 169:879 170:4627 171:921 172:3758 173:2952 174:981 175:1179 176:3759 177:4435 178:3531 179:2146 180:2489 181:3505 182:3315 183:1995 184:2273 185:20566 186:4690 187:4202 188:4162 189:3863 190:9227 191:1358 192:10950 193:8960 194:7296 195:5202 196:3187 197:2478 198:5928 199:6130 200:7852 201:6045 202:10194 203:9992 204:4547 205:3692 206:4322 207:3411 208:4122 209:4876 210:4211 211:2445 212:4274 213:3400 214:1114 215:70 216:6689 217:2769 218:1266 219:405 220:1801 221:981 222:663 223:2145 End of report