IPv4 R&E Routing Table Report 23:05 GMT Thu 01 Jun, 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: 917609 Prefixes after maximum aggregation (per Origin AS): 348577 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450060 Number of IPv4 prefixes with a valid ROA: 405464 Number of IPv4 prefixes with an invalid ROA: 1713 Number of IPv4 prefixes with no ROA: 510432 Total ASes present in the Internet Routing Table: 74298 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63808 Origin ASes announcing only one prefix: 26241 Transit ASes present in the Internet Routing Table: 10490 Transit-only ASes present in the Internet Routing Table: 434 Paths with bogon ASNs present in the IPv4 Routing Table: 40 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: 1071 Number of instances of unregistered ASNs: 1079 Number of 32-bit ASNs allocated by the RIRs: 41995 Number of 32-bit ASNs visible in the Routing Table: 34587 Prefixes from 32-bit ASNs in the Routing Table: 171665 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 577 Number of addresses announced to Internet: 3054847744 Equivalent to 182 /8s, 21 /16s and 71 /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: 99.6 Total number of prefixes smaller than registry allocations: 307529 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240005 Total APNIC prefixes after maximum aggregation: 68778 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234066 Unique aggregates announced from the APNIC address blocks: 98333 APNIC Region origin ASes present in the Internet Routing Table: 13355 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3938 APNIC Region transit ASes present in the Internet Routing Table: 1789 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: 8723 Number of APNIC addresses announced to Internet: 772839168 Equivalent to 46 /8s, 16 /16s and 151 /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: 268548 Total ARIN prefixes after maximum aggregation: 122279 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271397 Unique aggregates announced from the ARIN address blocks: 130421 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.23 ARIN Region origin ASes announcing only one prefix: 6991 ARIN Region transit ASes present in the Internet Routing Table: 1908 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4794 Number of ARIN addresses announced to Internet: 1279988992 Equivalent to 76 /8s, 75 /16s and 21 /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: 260192 Total RIPE prefixes after maximum aggregation: 122568 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256037 Unique aggregates announced from the RIPE address blocks: 158834 RIPE Region origin ASes present in the Internet Routing Table: 28308 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12058 RIPE Region transit ASes present in the Internet Routing Table: 3984 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11188 Number of RIPE addresses announced to Internet: 717771264 Equivalent to 42 /8s, 200 /16s and 82 /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: 118392 Total LACNIC prefixes after maximum aggregation: 28337 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117587 Unique aggregates announced from the LACNIC address blocks: 49552 LACNIC Region origin ASes present in the Internet Routing Table: 10998 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2645 LACNIC Region transit ASes present in the Internet Routing Table: 2277 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8790 Number of LACNIC addresses announced to Internet: 177015808 Equivalent to 10 /8s, 141 /16s and 12 /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: 29401 Total AfriNIC prefixes after maximum aggregation: 5838 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 37945 Unique aggregates announced from the AfriNIC address blocks: 12447 AfriNIC Region origin ASes present in the Internet Routing Table: 1741 AfriNIC Prefixes per ASN: 21.79 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1092 Number of AfriNIC addresses announced to Internet: 106836992 Equivalent to 6 /8s, 94 /16s and 52 /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 9482 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5722 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4205 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3680 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3380 1856 97 VNPT-AS-VN VNPT Corp, VN 9498 2983 496 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2405 837 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2297 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 198 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 8348 10792 2967 AMAZON-02, US 11492 4523 300 607 CABLEONE, US 7155 4052 282 62 VIASAT-SP-BACKBONE, US 22773 3566 3052 272 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3521 1319 66 SHAW, CA 749 3100 54980 2352 DNIC-AS-00749, US 16625 3073 1542 2323 AKAMAI-AS, US 396982 2659 3593 374 GOOGLE-CLOUD-PLATFORM, US 30036 2503 360 423 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2455 24003 1536 ATT-INTERNET4, 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 7301 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4077 3398 159 AKAMAI-ASN1, NL 8551 3879 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2291 909 ROSTELECOM-AS, RU 9009 2665 247 1389 M247, RO 34984 2277 360 606 TELLCOM-AS, TR 6849 1957 307 17 UKRTELNET, UA 58224 1826 945 533 TCI, IR 61317 1643 109 1275 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 11318 3356 614 Uninet S.A. de C.V., MX 10620 3518 507 856 Telmex Colombia S.A., CO 13999 2367 364 629 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1295 762 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1099 180 441 Techtel LMDS Comunicaciones Interactiva 26615 1028 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 24863 1573 393 19 LINKdotNET-AS, EG 24835 1538 533 29 RAYA-AS, EG 36992 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1034 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 482 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 11318 3356 614 Uninet S.A. de C.V., MX 9808 9482 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8348 10792 2967 AMAZON-02, US 12479 7301 1707 141 UNI2-AS, ES 7545 5722 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4523 300 607 CABLEONE, US 18403 4205 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4077 3398 159 AKAMAI-ASN1, NL 7155 4052 282 62 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 9482 9445 CHINAMOBILE-CN China Mobile Communications Grou 12479 7301 7160 UNI2-AS, ES 16509 8348 5381 AMAZON-02, US 7545 5722 5030 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4205 4180 FPT-AS-AP FPT Telecom Company, VN 7155 4052 3990 VIASAT-SP-BACKBONE, US 20940 4077 3918 AKAMAI-ASN1, NL 11492 4523 3916 CABLEONE, US 8551 3879 3845 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 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 /11:103 /12:301 /13:579 /14:1196 /15:2094 /16:13422 /17:8145 /18:13706 /19:24753 /20:42893 /21:50962 /22:109127 /23:97738 /24:552513 /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 6385 7301 UNI2-AS, ES 8151 5277 11318 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4523 CABLEONE, US 8551 3352 3879 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3331 3521 SHAW, CA 7155 3067 4052 VIASAT-SP-BACKBONE, US 22773 2634 3566 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2073 3518 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) ---------------------------------------------- 1:2148 2:1238 3:180 4:5 5:4540 6:129 7:6 8:1509 9:1 11:172 12:1535 13:386 14:2299 15:304 16:191 17:373 18:435 20:263 21:4 22:188 23:6286 24:2591 25:6 27:2499 29:19 31:2498 32:79 34:21 35:109 36:1975 37:4652 38:4728 39:845 40:151 41:3924 42:1970 43:2341 44:307 45:16447 46:4312 47:375 49:1739 50:1861 51:585 52:1591 54:393 55:844 56:8 57:116 58:1811 59:1056 60:987 61:2541 62:2682 63:1922 64:5659 65:2307 66:4990 67:2917 68:1339 69:4128 70:1202 71:670 72:2993 74:2612 75:1558 76:606 77:2422 78:1810 79:3191 80:2137 81:1784 82:1486 83:1259 84:1519 85:3009 86:772 87:2030 88:1170 89:3676 90:615 91:7748 92:2069 93:2610 94:3617 95:4038 96:1302 97:336 98:1101 99:745 100:69 101:1314 102:2763 103:31378 104:4601 105:504 106:936 107:2586 108:1041 109:4394 110:2090 111:3122 112:2029 113:1733 114:1650 115:2001 116:1887 117:2537 118:2621 119:2005 120:1797 121:1063 122:2584 123:2127 124:1571 125:2463 128:1423 129:1046 130:1001 131:1981 132:851 133:420 134:1886 135:306 136:882 137:954 138:2559 139:1543 140:1240 141:1423 142:1442 143:1518 144:1146 145:347 146:1940 147:1587 148:2392 149:2225 150:876 151:1153 152:1927 153:488 154:4531 155:1441 156:1811 157:1323 158:1062 159:2224 160:2552 161:1548 162:3510 163:1518 164:1610 165:1795 166:1111 167:1741 168:3838 169:943 170:4589 171:901 172:3580 173:2956 174:1041 175:1170 176:3689 177:4669 178:3579 179:2237 180:2554 181:3487 182:3361 183:2083 184:2335 185:20309 186:4827 187:3983 188:4091 189:3679 190:9177 191:1454 192:10919 193:8863 194:7298 195:5151 196:3160 197:2373 198:5891 199:6091 200:7943 201:5886 202:10386 203:10278 204:4558 205:3687 206:4222 207:3389 208:4086 209:4875 210:4166 211:2440 212:4168 213:3617 214:1075 215:59 216:6648 217:2716 218:1267 219:410 220:1758 221:968 222:680 223:2150 End of report