IPv4 R&E Routing Table Report 23:05 GMT Mon 09 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: 924770 Prefixes after maximum aggregation (per Origin AS): 352637 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453229 Number of IPv4 prefixes with a valid ROA: 423989 Number of IPv4 prefixes with an invalid ROA: 1742 Number of IPv4 prefixes with no ROA: 499039 Total ASes present in the Internet Routing Table: 74737 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64284 Origin ASes announcing only one prefix: 26462 Transit ASes present in the Internet Routing Table: 10453 Transit-only ASes present in the Internet Routing Table: 445 Paths with bogon ASNs present in the IPv4 Routing Table: 21 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: 986 Number of instances of unregistered ASNs: 989 Number of 32-bit ASNs allocated by the RIRs: 42802 Number of 32-bit ASNs visible in the Routing Table: 35173 Prefixes from 32-bit ASNs in the Routing Table: 175557 Number of bogon 32-bit ASNs visible in the Routing Table: 25 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 517 Number of addresses announced to Internet: 3051609088 Equivalent to 181 /8s, 227 /16s and 220 /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: 99.5 Total number of prefixes smaller than registry allocations: 309153 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241637 Total APNIC prefixes after maximum aggregation: 70265 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235193 Unique aggregates announced from the APNIC address blocks: 98966 APNIC Region origin ASes present in the Internet Routing Table: 13600 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4068 APNIC Region transit ASes present in the Internet Routing Table: 1812 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8984 Number of APNIC addresses announced to Internet: 772215296 Equivalent to 46 /8s, 7 /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: 272306 Total ARIN prefixes after maximum aggregation: 123395 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 275944 Unique aggregates announced from the ARIN address blocks: 131850 ARIN Region origin ASes present in the Internet Routing Table: 19051 ARIN Prefixes per ASN: 14.48 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1880 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: 4821 Number of ARIN addresses announced to Internet: 1277054464 Equivalent to 76 /8s, 30 /16s and 78 /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: 261637 Total RIPE prefixes after maximum aggregation: 123912 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256703 Unique aggregates announced from the RIPE address blocks: 159898 RIPE Region origin ASes present in the Internet Routing Table: 28415 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12076 RIPE Region transit ASes present in the Internet Routing Table: 3914 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: 11357 Number of RIPE addresses announced to Internet: 715854848 Equivalent to 42 /8s, 171 /16s and 20 /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: 118517 Total LACNIC prefixes after maximum aggregation: 28400 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117466 Unique aggregates announced from the LACNIC address blocks: 49375 LACNIC Region origin ASes present in the Internet Routing Table: 11044 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2718 LACNIC Region transit ASes present in the Internet Routing Table: 2331 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8867 Number of LACNIC addresses announced to Internet: 178415872 Equivalent to 10 /8s, 162 /16s and 105 /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: 29687 Total AfriNIC prefixes after maximum aggregation: 5978 AfriNIC Deaggregation factor: 4.97 Prefixes being announced from the AfriNIC address blocks: 38947 Unique aggregates announced from the AfriNIC address blocks: 12705 AfriNIC Region origin ASes present in the Internet Routing Table: 1800 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 628 AfriNIC Region transit ASes present in the Internet Routing Table: 338 Average AfriNIC Region AS path length visible: 5.7 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: 107644672 Equivalent to 6 /8s, 106 /16s and 135 /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 9481 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5736 785 699 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4248 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3593 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3590 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 3332 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3197 495 248 BBIL-AP BHARTI Airtel Ltd., IN 24560 2531 849 385 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2190 442 202 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 9087 10990 3276 AMAZON-02, US 11492 4535 301 671 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3525 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54958 2414 DNIC-AS-00749, US 367 3021 3851 1417 DNIC-ASBLK-00306-00371, US 16625 2986 1394 2281 AKAMAI-AS, US 396982 2701 3597 397 GOOGLE-CLOUD-PLATFORM, US 30036 2498 359 372 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 4070 3398 152 AKAMAI-ASN1, NL 8551 3447 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3053 274 1493 M247, RO 12389 2893 2295 912 ROSTELECOM-AS, RU 34984 2333 362 593 TELLCOM-AS, TR 13188 1606 100 27 TRIOLAN, UA 8452 1525 1852 16 TE-AS TE-AS, EG 58224 1510 815 633 TCI, IR 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 11717 3367 614 UNINET, MX 10620 3534 504 858 Telmex Colombia S.A., CO 13999 2412 332 626 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1331 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 1075 169 432 Techtel LMDS Comunicaciones Interactiva 26615 1028 2501 50 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 36992 1358 1518 280 ETISALAT-MISR, EG 24835 1313 549 28 RAYA-AS, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 540 55 53 WANANCHI-, KE 37342 488 32 1 MOVITEL, MZ 24757 457 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 11717 3367 614 UNINET, MX 9808 9481 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9087 10990 3276 AMAZON-02, US 12479 7390 1713 145 UNI2-AS, ES 7545 5736 785 699 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4535 301 671 CABLEONE, US 18403 4248 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4070 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 9481 9440 CHINAMOBILE-CN China Mobile Communications Grou 12479 7390 7245 UNI2-AS, ES 16509 9087 5811 AMAZON-02, US 7545 5736 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4248 4223 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 20940 4070 3918 AKAMAI-ASN1, NL 11492 4535 3864 CABLEONE, US 7552 3590 3570 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 /11:101 /12:299 /13:577 /14:1193 /15:2091 /16:13442 /17:8217 /18:13714 /19:24819 /20:43263 /21:51131 /22:109379 /23:98560 /24:557908 /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 6476 7390 UNI2-AS, ES 8151 5787 11717 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3448 4535 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3119 4173 VIASAT-SP-BACKBONE, US 8551 2924 3447 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2579 3525 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2108 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) ---------------------------------------------- 1:2207 2:1432 3:265 4:5 5:4400 6:137 7:6 8:1498 9:1 11:172 12:1505 13:366 14:2319 15:304 16:191 17:367 18:658 20:298 21:4 22:188 23:6440 24:2512 25:2 27:2588 29:19 31:2542 32:75 34:26 35:114 36:2005 37:4531 38:5389 39:871 40:143 41:4031 42:2058 43:2262 44:323 45:16576 46:4275 47:371 49:1828 50:1882 51:581 52:1591 54:392 55:926 56:5 57:127 58:1784 59:1115 60:1004 61:2542 62:2681 63:1911 64:5659 65:2352 66:4979 67:3039 68:1342 69:4129 70:1188 71:666 72:2938 74:2618 75:1559 76:627 77:2301 78:1828 79:2996 80:2092 81:1824 82:1521 83:1312 84:1555 85:3058 86:759 87:1997 88:1206 89:3921 90:623 91:7844 92:2063 93:2624 94:3533 95:4070 96:1300 97:315 98:1082 99:733 100:90 101:1289 102:2919 103:32170 104:4736 105:576 106:907 107:2725 108:1133 109:4226 110:2131 111:3136 112:2057 113:1752 114:1690 115:1994 116:1876 117:2539 118:2703 119:1956 120:1779 121:1127 122:2601 123:2168 124:1577 125:2551 128:1399 129:911 130:1035 131:1961 132:854 133:408 134:1782 135:306 136:1013 137:973 138:2641 139:1588 140:1290 141:1322 142:1513 143:1597 144:1003 145:350 146:1959 147:1609 148:2445 149:2317 150:873 151:1230 152:1957 153:523 154:5126 155:1385 156:1993 157:1345 158:1055 159:2193 160:2653 161:1591 162:3528 163:1606 164:1697 165:1856 166:1068 167:1739 168:3814 169:798 170:4643 171:949 172:3799 173:2966 174:981 175:1184 176:3751 177:4515 178:3548 179:2147 180:2458 181:3509 182:3367 183:1988 184:2271 185:20605 186:4744 187:4151 188:4154 189:3849 190:9320 191:1392 192:10950 193:8951 194:7305 195:5213 196:3177 197:2303 198:5926 199:6193 200:7914 201:6114 202:10188 203:10001 204:4533 205:3692 206:4311 207:3407 208:4116 209:4871 210:4213 211:2448 212:4276 213:3393 214:1107 215:71 216:6701 217:2768 218:1269 219:405 220:1802 221:981 222:661 223:2145 End of report