IPv4 R&E Routing Table Report 23:05 GMT Thu 09 Mar, 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: 906810 Prefixes after maximum aggregation (per Origin AS): 345490 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445800 Number of IPv4 prefixes with a valid ROA: 376975 Number of IPv4 prefixes with an invalid ROA: 1633 Number of IPv4 prefixes with no ROA: 528202 Total ASes present in the Internet Routing Table: 73983 Prefixes per ASN: 12.26 Origin-only ASes present in the Internet Routing Table: 63520 Origin ASes announcing only one prefix: 26082 Transit ASes present in the Internet Routing Table: 10463 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 1112 Number of instances of unregistered ASNs: 1128 Number of 32-bit ASNs allocated by the RIRs: 41390 Number of 32-bit ASNs visible in the Routing Table: 34229 Prefixes from 32-bit ASNs in the Routing Table: 167358 Number of bogon 32-bit ASNs visible in the Routing Table: 38 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 550 Number of addresses announced to Internet: 3062213632 Equivalent to 182 /8s, 133 /16s and 172 /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: 304942 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234961 Total APNIC prefixes after maximum aggregation: 68145 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 229621 Unique aggregates announced from the APNIC address blocks: 97656 APNIC Region origin ASes present in the Internet Routing Table: 13251 APNIC Prefixes per ASN: 17.33 APNIC Region origin ASes announcing only one prefix: 3859 APNIC Region transit ASes present in the Internet Routing Table: 1784 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8594 Number of APNIC addresses announced to Internet: 773098752 Equivalent to 46 /8s, 20 /16s and 141 /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: 266775 Total ARIN prefixes after maximum aggregation: 121260 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268886 Unique aggregates announced from the ARIN address blocks: 130193 ARIN Region origin ASes present in the Internet Routing Table: 18997 ARIN Prefixes per ASN: 14.15 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1889 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: 4733 Number of ARIN addresses announced to Internet: 1286043136 Equivalent to 76 /8s, 167 /16s and 118 /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: 257309 Total RIPE prefixes after maximum aggregation: 121333 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 253662 Unique aggregates announced from the RIPE address blocks: 156607 RIPE Region origin ASes present in the Internet Routing Table: 28205 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 11992 RIPE Region transit ASes present in the Internet Routing Table: 3969 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11055 Number of RIPE addresses announced to Internet: 718146048 Equivalent to 42 /8s, 206 /16s and 10 /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: 117125 Total LACNIC prefixes after maximum aggregation: 28173 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116518 Unique aggregates announced from the LACNIC address blocks: 48858 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2279 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8781 Number of LACNIC addresses announced to Internet: 176432384 Equivalent to 10 /8s, 132 /16s and 37 /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: 29528 Total AfriNIC prefixes after maximum aggregation: 5779 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 37573 Unique aggregates announced from the AfriNIC address blocks: 12051 AfriNIC Region origin ASes present in the Internet Routing Table: 1717 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 590 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1066 Number of AfriNIC addresses announced to Internet: 108091136 Equivalent to 6 /8s, 113 /16s and 87 /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 9453 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5773 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3681 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3546 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3367 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2821 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2359 834 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2304 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2173 440 217 TATACOMM-AS TATA Communications formerl 45090 2148 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 8047 10754 2892 AMAZON-02, US 11492 4529 300 616 CABLEONE, US 7155 3959 270 44 VIASAT-SP-BACKBONE, US 22773 3638 3064 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3505 1320 64 SHAW, CA 16625 3211 1607 2378 AKAMAI-AS, US 749 3038 50552 2305 DNIC-AS-00749, US 396982 2621 3586 356 GOOGLE-CLOUD-PLATFORM, US 7018 2565 24120 1571 ATT-INTERNET4, US 30036 2521 362 444 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 7062 1705 149 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4042 3399 163 AKAMAI-ASN1, NL 8551 3899 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2292 911 ROSTELECOM-AS, RU 9009 2644 251 1382 M247, RO 34984 2266 359 609 TELLCOM-AS, TR 6849 2163 339 19 UKRTELNET, UA 58224 1846 949 546 TCI, IR 13188 1561 97 102 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 11138 3330 598 Uninet S.A. de C.V., MX 10620 3466 504 879 Telmex Colombia S.A., CO 13999 2279 372 611 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1341 2325 254 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 761 161 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 460 Techtel LMDS Comunicaciones Interactiva 26615 1029 2498 45 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 24835 1542 533 30 RAYA-AS, EG 24863 1525 393 19 LINKdotNET-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1012 67 53 ORANGE-COTE-IVOIRE, CI 36935 868 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 529 54 47 WANANCHI-, KE 24757 497 73 5 EthioNet-AS, ET 37342 493 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 11138 3330 598 Uninet S.A. de C.V., MX 9808 9453 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8047 10754 2892 AMAZON-02, US 12479 7062 1705 149 UNI2-AS, ES 7545 5773 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4529 300 616 CABLEONE, US 20940 4042 3399 163 AKAMAI-ASN1, NL 7155 3959 270 44 VIASAT-SP-BACKBONE, US 8551 3899 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9453 9405 CHINAMOBILE-CN China Mobile Communications Grou 12479 7062 6913 UNI2-AS, ES 16509 8047 5155 AMAZON-02, US 7545 5773 5083 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 4503 ALJAWWALSTC-AS, SA 7155 3959 3915 VIASAT-SP-BACKBONE, US 11492 4529 3913 CABLEONE, US 20940 4042 3879 AKAMAI-ASN1, NL 8551 3899 3862 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3681 3660 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 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 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 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 /11:103 /12:299 /13:576 /14:1198 /15:2074 /16:13431 /17:8182 /18:13672 /19:24811 /20:42937 /21:50988 /22:108829 /23:96933 /24:542701 /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 6121 7062 UNI2-AS, ES 8151 5118 11138 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3437 4529 CABLEONE, US 8551 3371 3899 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3313 3505 SHAW, CA 7155 3036 3959 VIASAT-SP-BACKBONE, US 22773 2691 3638 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2178 2521 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2020 3466 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) ---------------------------------------------- 1:1669 2:1224 3:168 4:5 5:4341 6:118 7:6 8:1515 9:1 11:172 12:1579 13:389 14:2324 15:293 16:111 17:367 18:399 20:249 21:4 22:188 23:6113 24:2479 25:4 27:2466 29:19 31:2510 32:107 34:8 35:104 36:1926 37:4618 38:4324 39:805 40:151 41:4023 42:936 43:2306 44:309 45:16367 46:4163 47:374 49:1734 50:1817 51:378 52:1588 54:389 55:868 56:8 57:90 58:1671 59:1071 60:975 61:2458 62:2630 63:1936 64:5641 65:2317 66:4905 67:2999 68:1352 69:4127 70:1265 71:665 72:2973 74:2587 75:1459 76:601 77:2411 78:1839 79:3167 80:2071 81:1715 82:1500 83:1230 84:1509 85:3000 86:758 87:1957 88:1235 89:3576 90:611 91:7660 92:2015 93:2568 94:3537 95:3953 96:1327 97:331 98:1161 99:744 100:77 101:1293 102:2663 103:31005 104:4588 105:481 106:900 107:2560 108:932 109:4372 110:2061 111:3265 112:2041 113:1491 114:1620 115:2012 116:1902 117:2572 118:2279 119:1964 120:1742 121:1046 122:2586 123:2137 124:1544 125:2386 128:1276 129:1057 130:990 131:1991 132:827 133:421 134:1900 135:299 136:866 137:936 138:2531 139:1551 140:1194 141:1479 142:1422 143:1479 144:1205 145:354 146:1896 147:1560 148:2289 149:1922 150:921 151:1143 152:1959 153:486 154:4220 155:1425 156:1672 157:1285 158:1045 159:2261 160:2566 161:1443 162:3538 163:1488 164:1585 165:1694 166:846 167:1736 168:3781 169:927 170:4565 171:888 172:3514 173:2939 174:1014 175:1153 176:3721 177:4561 178:3608 179:2157 180:2392 181:3407 182:3313 183:1938 184:2345 185:20108 186:4691 187:3934 188:4101 189:3555 190:9107 191:1484 192:10939 193:8812 194:7230 195:5119 196:3154 197:2386 198:5896 199:6077 200:7703 201:5866 202:10290 203:10168 204:4590 205:3513 206:3766 207:3398 208:4068 209:4842 210:4175 211:2384 212:4105 213:3538 214:1095 215:58 216:6598 217:2645 218:1266 219:407 220:1760 221:968 222:674 223:2118 End of report