IPv4 R&E Routing Table Report 23:05 GMT Fri 14 Oct, 2022 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: 896498 Prefixes after maximum aggregation (per Origin AS): 340896 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439932 Number of IPv4 prefixes with a valid ROA: 355114 Number of IPv4 prefixes with an invalid ROA: 1763 Number of IPv4 prefixes with no ROA: 539621 Total ASes present in the Internet Routing Table: 73552 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 63197 Origin ASes announcing only one prefix: 25980 Transit ASes present in the Internet Routing Table: 10355 Transit-only ASes present in the Internet Routing Table: 400 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1101 Number of instances of unregistered ASNs: 1104 Number of 32-bit ASNs allocated by the RIRs: 40375 Number of 32-bit ASNs visible in the Routing Table: 33456 Prefixes from 32-bit ASNs in the Routing Table: 161142 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 557 Number of addresses announced to Internet: 3063532032 Equivalent to 182 /8s, 153 /16s and 202 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 301298 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231952 Total APNIC prefixes after maximum aggregation: 67169 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226776 Unique aggregates announced from the APNIC address blocks: 96565 APNIC Region origin ASes present in the Internet Routing Table: 12941 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3730 APNIC Region transit ASes present in the Internet Routing Table: 1749 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8240 Number of APNIC addresses announced to Internet: 773330432 Equivalent to 46 /8s, 24 /16s and 22 /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, 131072-151865 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: 265154 Total ARIN prefixes after maximum aggregation: 120747 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266326 Unique aggregates announced from the ARIN address blocks: 128525 ARIN Region origin ASes present in the Internet Routing Table: 18981 ARIN Prefixes per ASN: 14.03 ARIN Region origin ASes announcing only one prefix: 6945 ARIN Region transit ASes present in the Internet Routing Table: 1867 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4623 Number of ARIN addresses announced to Internet: 1289596672 Equivalent to 76 /8s, 221 /16s and 175 /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: 253368 Total RIPE prefixes after maximum aggregation: 118773 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250262 Unique aggregates announced from the RIPE address blocks: 153989 RIPE Region origin ASes present in the Internet Routing Table: 28150 RIPE Prefixes per ASN: 8.89 RIPE Region origin ASes announcing only one prefix: 12003 RIPE Region transit ASes present in the Internet Routing Table: 3994 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10832 Number of RIPE addresses announced to Internet: 716442880 Equivalent to 42 /8s, 180 /16s and 13 /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 196608-213403 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: 116221 Total LACNIC prefixes after maximum aggregation: 27815 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115788 Unique aggregates announced from the LACNIC address blocks: 48335 LACNIC Region origin ASes present in the Internet Routing Table: 10975 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2703 LACNIC Region transit ASes present in the Internet Routing Table: 2240 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8738 Number of LACNIC addresses announced to Internet: 175939584 Equivalent to 10 /8s, 124 /16s and 160 /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: 28702 Total AfriNIC prefixes after maximum aggregation: 5577 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 36789 Unique aggregates announced from the AfriNIC address blocks: 12064 AfriNIC Region origin ASes present in the Internet Routing Table: 1694 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 599 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1023 Number of AfriNIC addresses announced to Internet: 107914240 Equivalent to 6 /8s, 110 /16s and 164 /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 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5928 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3592 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3522 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3384 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2469 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2288 11251 595 KIXS-AS-KR Korea Telecom, KR 24560 2237 852 412 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2139 425 217 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 7332 10577 2889 AMAZON-02, US 11492 4603 305 518 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3771 3066 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3526 1835 2538 AKAMAI-AS, US 6327 3493 1319 64 SHAW, CA 749 3028 50696 2295 DNIC-AS-00749, US 30036 2601 368 251 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2577 24151 1581 ATT-INTERNET4, US 396982 2552 3479 345 GOOGLE-CLOUD-PLATFORM, 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 6886 1730 144 UNI2-AS, ES 20940 4100 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3992 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2892 2290 912 ROSTELECOM-AS, RU 9009 2616 252 1344 M247, RO 6849 2488 339 20 UKRTELNET, UA 34984 2243 357 616 TELLCOM-AS, TR 58224 1756 920 589 TCI, IR 13188 1610 100 27 TRIOLAN, UA 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 10891 3339 596 Uninet S.A. de C.V., MX 10620 3470 510 844 Telmex Colombia S.A., CO 11830 2299 369 64 Instituto Costarricense de Electricidad 13999 2057 335 531 Mega Cable, S.A. de C.V., MX 28573 1350 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 338 521 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1084 369 22 Telefonica del Peru S.A.A., PE 11664 1081 181 461 Techtel LMDS Comunicaciones Interactiva 26615 986 2466 43 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 1569 393 21 LINKdotNET-AS, EG 24835 1518 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1260 550 99 MT-MPLS, MA 29571 1015 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 488 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU 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 10891 3339 596 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7332 10577 2889 AMAZON-02, US 12479 6886 1730 144 UNI2-AS, ES 7545 5928 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4603 305 518 CABLEONE, US 20940 4100 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3992 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 VIASAT-SP-BACKBONE, US 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 9061 9014 CHINAMOBILE-CN China Mobile Communications Grou 12479 6886 6742 UNI2-AS, ES 7545 5928 5234 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7332 4443 AMAZON-02, US 11492 4603 4085 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3992 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4100 3928 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3592 3572 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.133.252.0/24 Origin: 54681 ROSETEL, US 23.133.252.0/24 Transit: 50058 August Internet, GB 23.133.253.0/24 Origin: 54681 ROSETEL, US 23.133.253.0/24 Transit: 50058 August Internet, GB 23.133.254.0/24 Origin: 54681 ROSETEL, US 23.133.254.0/24 Transit: 50058 August Internet, GB 23.133.255.0/24 Origin: 54681 ROSETEL, US 23.133.255.0/24 Transit: 50058 August Internet, GB 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /9:13 /10:38 /11:100 /12:294 /13:586 /14:1197 /15:2077 /16:13474 /17:8299 /18:13824 /19:24809 /20:43049 /21:50816 /22:108105 /23:95981 /24:533813 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5896 6886 UNI2-AS, ES 8151 4777 10891 Uninet S.A. de C.V., MX 11492 3510 4603 CABLEONE, US 8551 3456 3992 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3302 3493 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2783 3771 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2345 2488 UKRTELNET, UA 30036 2259 2601 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1895 2:1029 3:166 4:5 5:3943 6:116 7:6 8:1550 9:1 11:173 12:1623 13:339 14:2367 15:270 16:69 17:362 18:336 20:241 21:4 22:188 23:5949 24:2460 25:6 27:2663 29:19 31:2446 32:91 34:7 35:90 36:1893 37:4480 38:3619 39:754 40:159 41:3938 42:1168 43:2264 44:295 45:16199 46:4199 47:377 49:1704 50:1927 51:242 52:1489 54:383 55:847 56:8 57:78 58:1721 59:1106 60:990 61:2379 62:2504 63:1963 64:5603 65:2314 66:4823 67:2956 68:1319 69:4156 70:1302 71:678 72:2993 74:2641 75:1475 76:591 77:2233 78:1823 79:3144 80:2041 81:1663 82:1531 83:1203 84:1408 85:2948 86:727 87:1914 88:1164 89:3426 90:545 91:7591 92:2059 93:2544 94:3517 95:3838 96:1347 97:342 98:1167 99:737 100:78 101:1295 102:2362 103:30183 104:4536 105:474 106:886 107:2533 108:891 109:4338 110:2002 111:3267 112:2044 113:1485 114:1510 115:1988 116:1892 117:2484 118:2325 119:1842 120:1708 121:1012 122:2536 123:2098 124:1515 125:2117 128:1183 129:965 130:960 131:2007 132:817 133:377 134:1902 135:291 136:878 137:887 138:2539 139:1514 140:1122 141:1481 142:1376 143:1394 144:1198 145:348 146:1855 147:1530 148:2239 149:1817 150:878 151:1118 152:1954 153:469 154:3838 155:1422 156:1686 157:1293 158:1041 159:2177 160:2564 161:1366 162:3511 163:1415 164:1662 165:1666 166:804 167:1726 168:3760 169:880 170:4533 171:850 172:3451 173:3100 174:1023 175:1152 176:3568 177:4741 178:3550 179:2095 180:2367 181:3260 182:3208 183:1940 184:2355 185:19821 186:4559 187:3959 188:4037 189:3448 190:8966 191:1441 192:10984 193:8730 194:7145 195:5045 196:3056 197:2448 198:5951 199:6042 200:7541 201:5836 202:10139 203:10007 204:4555 205:3498 206:3811 207:3380 208:4078 209:4752 210:4118 211:2322 212:4012 213:3550 214:1091 215:53 216:6451 217:2612 218:1271 219:404 220:1785 221:922 222:652 223:1974 End of report