IPv4 R&E Routing Table Report 23:05 GMT Tue 25 Jul, 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: 920235 Prefixes after maximum aggregation (per Origin AS): 350284 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452563 Number of IPv4 prefixes with a valid ROA: 414333 Number of IPv4 prefixes with an invalid ROA: 1562 Number of IPv4 prefixes with no ROA: 504340 Total ASes present in the Internet Routing Table: 74461 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63972 Origin ASes announcing only one prefix: 26287 Transit ASes present in the Internet Routing Table: 10489 Transit-only ASes present in the Internet Routing Table: 454 Paths with bogon ASNs present in the IPv4 Routing Table: 36 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1138 Number of instances of unregistered ASNs: 1140 Number of 32-bit ASNs allocated by the RIRs: 42289 Number of 32-bit ASNs visible in the Routing Table: 34804 Prefixes from 32-bit ASNs in the Routing Table: 173199 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 625 Number of addresses announced to Internet: 3052402688 Equivalent to 181 /8s, 239 /16s and 248 /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: 99.6 Total number of prefixes smaller than registry allocations: 307982 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240355 Total APNIC prefixes after maximum aggregation: 69210 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234186 Unique aggregates announced from the APNIC address blocks: 98628 APNIC Region origin ASes present in the Internet Routing Table: 13439 APNIC Prefixes per ASN: 17.43 APNIC Region origin ASes announcing only one prefix: 3975 APNIC Region transit ASes present in the Internet Routing Table: 1795 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: 8825 Number of APNIC addresses announced to Internet: 772972800 Equivalent to 46 /8s, 18 /16s and 161 /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: 270694 Total ARIN prefixes after maximum aggregation: 123306 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272813 Unique aggregates announced from the ARIN address blocks: 130737 ARIN Region origin ASes present in the Internet Routing Table: 19051 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1887 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4799 Number of ARIN addresses announced to Internet: 1276537344 Equivalent to 76 /8s, 22 /16s and 106 /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: 260120 Total RIPE prefixes after maximum aggregation: 122642 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256821 Unique aggregates announced from the RIPE address blocks: 160051 RIPE Region origin ASes present in the Internet Routing Table: 28348 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3957 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11256 Number of RIPE addresses announced to Internet: 716744192 Equivalent to 42 /8s, 184 /16s and 166 /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: 118262 Total LACNIC prefixes after maximum aggregation: 28402 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117414 Unique aggregates announced from the LACNIC address blocks: 49681 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2691 LACNIC Region transit ASes present in the Internet Routing Table: 2321 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8811 Number of LACNIC addresses announced to Internet: 178524160 Equivalent to 10 /8s, 164 /16s and 16 /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: 29666 Total AfriNIC prefixes after maximum aggregation: 5979 AfriNIC Deaggregation factor: 4.96 Prefixes being announced from the AfriNIC address blocks: 38376 Unique aggregates announced from the AfriNIC address blocks: 12950 AfriNIC Region origin ASes present in the Internet Routing Table: 1764 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 615 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1113 Number of AfriNIC addresses announced to Internet: 107272704 Equivalent to 6 /8s, 100 /16s and 218 /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 9517 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4242 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3706 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3048 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2452 834 448 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2183 442 200 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 8777 10933 3156 AMAZON-02, US 11492 4524 300 619 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3538 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3150 1566 2358 AKAMAI-AS, US 749 3140 54962 2392 DNIC-AS-00749, US 367 2767 3755 1327 DNIC-ASBLK-00306-00371, US 396982 2678 3595 384 GOOGLE-CLOUD-PLATFORM, US 30036 2511 361 354 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 7302 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4084 3398 160 AKAMAI-ASN1, NL 8551 3455 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2673 247 1394 M247, RO 34984 2311 361 606 TELLCOM-AS, TR 58224 1816 944 534 TCI, IR 6849 1785 307 17 UKRTELNET, UA 13188 1606 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 11572 3375 600 UNINET, MX 10620 3529 507 836 Telmex Colombia S.A., CO 13999 2415 362 634 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1317 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 344 511 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1108 181 437 Techtel LMDS Comunicaciones Interactiva 26615 1022 2500 48 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 1555 377 98 LINKdotNET-AS, EG 24835 1469 517 25 RAYA-AS, EG 36992 1335 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 808 520 45 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 507 32 1 MOVITEL, MZ 24757 485 73 5 EthioNet-AS, ET 15399 447 54 47 WANANCHI-, KE 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 11572 3375 600 UNINET, MX 9808 9517 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8777 10933 3156 AMAZON-02, US 12479 7302 1706 141 UNI2-AS, ES 7545 5679 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 619 CABLEONE, US 18403 4242 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4084 3398 160 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 9517 9480 CHINAMOBILE-CN China Mobile Communications Grou 12479 7302 7161 UNI2-AS, ES 16509 8777 5621 AMAZON-02, US 7545 5679 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4242 4217 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4084 3924 AKAMAI-ASN1, NL 11492 4524 3905 CABLEONE, US 7552 3706 3685 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 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 /12:297 /13:576 /14:1196 /15:2103 /16:13420 /17:8186 /18:13722 /19:24806 /20:43253 /21:51022 /22:109345 /23:98209 /24:553921 /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 6391 7302 UNI2-AS, ES 8151 5534 11572 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2924 3455 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2609 3538 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2166 2511 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2088 3529 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) ---------------------------------------------- 1:2187 2:1343 3:244 4:5 5:4502 6:131 7:6 8:1517 9:1 11:172 12:1521 13:373 14:2300 15:301 16:194 17:372 18:530 20:270 21:4 22:188 23:6364 24:2611 25:4 27:2536 29:19 31:2534 32:78 34:26 35:111 36:1976 37:4683 38:5061 39:831 40:132 41:3891 42:2004 43:2307 44:305 45:16641 46:4338 47:380 49:1768 50:1851 51:584 52:1593 54:394 55:974 56:8 57:119 58:1820 59:1105 60:988 61:2505 62:2652 63:1918 64:5559 65:2307 66:4902 67:3041 68:1325 69:4082 70:1205 71:678 72:2976 74:2635 75:1579 76:611 77:2439 78:1830 79:2968 80:2123 81:1797 82:1483 83:1265 84:1523 85:2975 86:768 87:1992 88:1180 89:3827 90:619 91:7792 92:2050 93:2600 94:3582 95:4036 96:1304 97:330 98:1151 99:735 100:95 101:1312 102:2867 103:31747 104:4565 105:565 106:877 107:2553 108:1095 109:4235 110:2104 111:3119 112:2055 113:1740 114:1636 115:1978 116:1889 117:2563 118:2674 119:1972 120:1788 121:1077 122:2556 123:2135 124:1570 125:2483 128:1373 129:1034 130:1010 131:1965 132:845 133:422 134:1797 135:306 136:887 137:964 138:2573 139:1565 140:1254 141:1302 142:1462 143:1493 144:983 145:341 146:1944 147:1605 148:2408 149:2156 150:880 151:1169 152:1949 153:502 154:4683 155:1374 156:1877 157:1320 158:1099 159:2260 160:2589 161:1561 162:3508 163:1548 164:1659 165:1865 166:1051 167:1729 168:3873 169:930 170:4607 171:897 172:3645 173:2966 174:1044 175:1177 176:3728 177:4504 178:3614 179:2146 180:2469 181:3496 182:3401 183:1992 184:2309 185:20474 186:4742 187:4107 188:4100 189:3691 190:9210 191:1378 192:10917 193:8925 194:7311 195:5157 196:3200 197:2459 198:5922 199:6080 200:7929 201:5935 202:10275 203:10071 204:4552 205:3645 206:4287 207:3381 208:4112 209:4903 210:4186 211:2445 212:4254 213:3579 214:1096 215:60 216:6620 217:2745 218:1261 219:414 220:1796 221:960 222:682 223:2159 End of report