IPv4 R&E Routing Table Report 23:05 GMT Wed 30 Aug, 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: 920415 Prefixes after maximum aggregation (per Origin AS): 350814 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452234 Number of IPv4 prefixes with a valid ROA: 417602 Number of IPv4 prefixes with an invalid ROA: 1742 Number of IPv4 prefixes with no ROA: 501071 Total ASes present in the Internet Routing Table: 74576 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 64173 Origin ASes announcing only one prefix: 26352 Transit ASes present in the Internet Routing Table: 10403 Transit-only ASes present in the Internet Routing Table: 437 Paths with bogon ASNs present in the IPv4 Routing Table: 27 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1002 Number of instances of unregistered ASNs: 1004 Number of 32-bit ASNs allocated by the RIRs: 42532 Number of 32-bit ASNs visible in the Routing Table: 34980 Prefixes from 32-bit ASNs in the Routing Table: 173989 Number of bogon 32-bit ASNs visible in the Routing Table: 33 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 545 Number of addresses announced to Internet: 3055469312 Equivalent to 182 /8s, 30 /16s and 195 /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: 307386 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241047 Total APNIC prefixes after maximum aggregation: 69780 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234763 Unique aggregates announced from the APNIC address blocks: 98646 APNIC Region origin ASes present in the Internet Routing Table: 13520 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 4011 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8907 Number of APNIC addresses announced to Internet: 772546816 Equivalent to 46 /8s, 12 /16s and 33 /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: 270559 Total ARIN prefixes after maximum aggregation: 123413 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272734 Unique aggregates announced from the ARIN address blocks: 131112 ARIN Region origin ASes present in the Internet Routing Table: 19044 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6980 ARIN Region transit ASes present in the Internet Routing Table: 1874 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: 4814 Number of ARIN addresses announced to Internet: 1279544320 Equivalent to 76 /8s, 68 /16s and 76 /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: 259581 Total RIPE prefixes after maximum aggregation: 122475 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256256 Unique aggregates announced from the RIPE address blocks: 159889 RIPE Region origin ASes present in the Internet Routing Table: 28380 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 3898 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: 11298 Number of RIPE addresses announced to Internet: 716696064 Equivalent to 42 /8s, 183 /16s and 234 /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: 118222 Total LACNIC prefixes after maximum aggregation: 28475 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117220 Unique aggregates announced from the LACNIC address blocks: 49286 LACNIC Region origin ASes present in the Internet Routing Table: 11021 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2691 LACNIC Region transit ASes present in the Internet Routing Table: 2324 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8834 Number of LACNIC addresses announced to Internet: 178512384 Equivalent to 10 /8s, 163 /16s and 226 /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: 30004 Total AfriNIC prefixes after maximum aggregation: 5968 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 38897 Unique aggregates announced from the AfriNIC address blocks: 12847 AfriNIC Region origin ASes present in the Internet Routing Table: 1784 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 621 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1127 Number of AfriNIC addresses announced to Internet: 107715072 Equivalent to 6 /8s, 107 /16s and 154 /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 9514 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5722 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4346 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3734 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3338 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3113 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2490 847 397 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2184 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 8986 10978 3243 AMAZON-02, US 11492 4523 300 648 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3557 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3534 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3028 1459 2285 AKAMAI-AS, US 367 2963 3817 1392 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2497 358 383 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 7344 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4073 3398 152 AKAMAI-ASN1, NL 8551 3459 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2296 913 ROSTELECOM-AS, RU 9009 2656 246 1374 M247, RO 34984 2330 362 595 TELLCOM-AS, TR 58224 1749 933 521 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1511 101 1176 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 11715 3360 606 UNINET, MX 10620 3534 506 848 Telmex Colombia S.A., CO 13999 2453 364 642 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1316 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 344 510 Axtel, S.A.B. de C.V., MX 3816 1295 764 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1120 182 433 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1027 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 1593 393 19 LINKdotNET-AS, EG 24835 1455 497 26 RAYA-AS, EG 36992 1355 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1049 67 45 ORANGE-COTE-IVOIRE, CI 36935 781 520 36 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 520 54 48 WANANCHI-, KE 24757 479 73 5 EthioNet-AS, ET 37342 465 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 11715 3360 606 UNINET, MX 9808 9514 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 8986 10978 3243 AMAZON-02, US 12479 7344 1713 145 UNI2-AS, ES 7545 5722 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4523 300 648 CABLEONE, US 18403 4346 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4073 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 9514 9474 CHINAMOBILE-CN China Mobile Communications Grou 12479 7344 7199 UNI2-AS, ES 16509 8986 5743 AMAZON-02, US 7545 5722 5035 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4346 4321 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4073 3921 AKAMAI-ASN1, NL 11492 4523 3875 CABLEONE, US 7552 3734 3714 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 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /11:102 /12:298 /13:576 /14:1195 /15:2096 /16:13465 /17:8195 /18:13710 /19:24807 /20:43306 /21:50889 /22:109297 /23:98562 /24:553840 /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 6430 7344 UNI2-AS, ES 8151 5739 11715 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4523 CABLEONE, US 6327 3345 3534 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2927 3459 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2603 3557 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2097 3534 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) ---------------------------------------------- 1:2227 2:1382 3:239 4:5 5:4554 6:135 7:6 8:1511 9:1 11:172 12:1510 13:372 14:2302 15:302 16:191 17:370 18:631 20:280 21:4 22:188 23:6384 24:2482 25:6 27:2554 29:19 31:2534 32:78 34:26 35:115 36:1996 37:4560 38:5175 39:869 40:147 41:4040 42:2098 43:2281 44:322 45:16579 46:4261 47:386 49:1794 50:1861 51:596 52:1595 54:392 55:963 56:8 57:120 58:1792 59:1116 60:999 61:2510 62:2673 63:1922 64:5570 65:2326 66:4897 67:3023 68:1330 69:4134 70:1189 71:657 72:2932 74:2607 75:1563 76:617 77:2331 78:1834 79:2987 80:2118 81:1816 82:1457 83:1277 84:1502 85:2966 86:752 87:2004 88:1177 89:3831 90:618 91:7794 92:2067 93:2607 94:3519 95:4008 96:1294 97:317 98:1078 99:734 100:90 101:1299 102:2945 103:32012 104:4563 105:557 106:882 107:2593 108:1136 109:4218 110:2112 111:3132 112:2059 113:1746 114:1653 115:1992 116:1910 117:2523 118:2695 119:1985 120:1787 121:1085 122:2570 123:2140 124:1581 125:2488 128:1403 129:916 130:1028 131:1954 132:854 133:418 134:1761 135:307 136:913 137:966 138:2624 139:1564 140:1226 141:1293 142:1477 143:1494 144:997 145:344 146:1933 147:1605 148:2425 149:2155 150:863 151:1227 152:1982 153:511 154:4868 155:1379 156:1940 157:1328 158:1080 159:2220 160:2610 161:1584 162:3511 163:1575 164:1718 165:1843 166:933 167:1729 168:3705 169:909 170:4661 171:883 172:3668 173:2955 174:986 175:1183 176:3747 177:4443 178:3538 179:2105 180:2443 181:3426 182:3318 183:2001 184:2280 185:20504 186:4692 187:4103 188:4126 189:3784 190:9243 191:1335 192:10914 193:8940 194:7258 195:5184 196:3197 197:2444 198:5913 199:6084 200:7886 201:6025 202:10209 203:9990 204:4518 205:3635 206:4259 207:3381 208:4110 209:4898 210:4184 211:2443 212:4218 213:3408 214:1090 215:59 216:6639 217:2774 218:1267 219:403 220:1802 221:978 222:665 223:2148 End of report