IPv4 R&E Routing Table Report 23:05 GMT Fri 06 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: 925266 Prefixes after maximum aggregation (per Origin AS): 352508 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453255 Number of IPv4 prefixes with a valid ROA: 424025 Number of IPv4 prefixes with an invalid ROA: 1721 Number of IPv4 prefixes with no ROA: 499520 Total ASes present in the Internet Routing Table: 74714 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64258 Origin ASes announcing only one prefix: 26431 Transit ASes present in the Internet Routing Table: 10456 Transit-only ASes present in the Internet Routing Table: 444 Paths with bogon ASNs present in the IPv4 Routing Table: 20 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: 991 Number of instances of unregistered ASNs: 993 Number of 32-bit ASNs allocated by the RIRs: 42776 Number of 32-bit ASNs visible in the Routing Table: 35154 Prefixes from 32-bit ASNs in the Routing Table: 175416 Number of bogon 32-bit ASNs visible in the Routing Table: 23 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 523 Number of addresses announced to Internet: 3051960832 Equivalent to 181 /8s, 233 /16s and 58 /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: 309551 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241402 Total APNIC prefixes after maximum aggregation: 70228 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235023 Unique aggregates announced from the APNIC address blocks: 98897 APNIC Region origin ASes present in the Internet Routing Table: 13589 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4075 APNIC Region transit ASes present in the Internet Routing Table: 1816 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8981 Number of APNIC addresses announced to Internet: 772186112 Equivalent to 46 /8s, 6 /16s and 160 /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: 272136 Total ARIN prefixes after maximum aggregation: 123395 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 275753 Unique aggregates announced from the ARIN address blocks: 131794 ARIN Region origin ASes present in the Internet Routing Table: 19036 ARIN Prefixes per ASN: 14.49 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1877 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: 4817 Number of ARIN addresses announced to Internet: 1277039360 Equivalent to 76 /8s, 30 /16s and 19 /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: 261913 Total RIPE prefixes after maximum aggregation: 123835 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256967 Unique aggregates announced from the RIPE address blocks: 160096 RIPE Region origin ASes present in the Internet Routing Table: 28428 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12067 RIPE Region transit ASes present in the Internet Routing Table: 3918 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: 11353 Number of RIPE addresses announced to Internet: 716221440 Equivalent to 42 /8s, 176 /16s and 172 /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: 118669 Total LACNIC prefixes after maximum aggregation: 28375 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117642 Unique aggregates announced from the LACNIC address blocks: 49347 LACNIC Region origin ASes present in the Internet Routing Table: 11032 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2703 LACNIC Region transit ASes present in the Internet Routing Table: 2328 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: 8861 Number of LACNIC addresses announced to Internet: 178388480 Equivalent to 10 /8s, 161 /16s and 254 /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: 30155 Total AfriNIC prefixes after maximum aggregation: 5982 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39358 Unique aggregates announced from the AfriNIC address blocks: 12685 AfriNIC Region origin ASes present in the Internet Routing Table: 1799 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 624 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: 1142 Number of AfriNIC addresses announced to Internet: 107700224 Equivalent to 6 /8s, 107 /16s and 96 /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 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5734 785 698 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4246 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3593 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3586 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 3331 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3194 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2531 850 381 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2186 442 201 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 9077 10987 3286 AMAZON-02, US 11492 4537 301 671 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3519 3038 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54958 2415 DNIC-AS-00749, US 367 3005 3815 1407 DNIC-ASBLK-00306-00371, US 16625 3002 1410 2297 AKAMAI-AS, US 396982 2700 3597 396 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 7386 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 3032 273 1502 M247, RO 12389 2893 2295 912 ROSTELECOM-AS, RU 34984 2334 362 594 TELLCOM-AS, TR 58224 1678 903 562 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1520 1852 16 TE-AS TE-AS, EG 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 11827 3378 607 UNINET, MX 10620 3534 504 858 Telmex Colombia S.A., CO 13999 2406 331 627 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 1076 169 427 Techtel LMDS Comunicaciones Interactiva 26615 1035 2501 49 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 1606 393 19 LINKdotNET-AS, EG 24835 1535 549 28 RAYA-AS, EG 36992 1326 1516 283 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 540 55 53 WANANCHI-, KE 24757 479 73 5 EthioNet-AS, ET 37342 478 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 11827 3378 607 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9077 10987 3286 AMAZON-02, US 12479 7386 1713 145 UNI2-AS, ES 7545 5734 785 698 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4537 301 671 CABLEONE, US 18403 4246 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7386 7241 UNI2-AS, ES 16509 9077 5791 AMAZON-02, US 7545 5734 5036 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4246 4221 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 20940 4070 3918 AKAMAI-ASN1, NL 11492 4537 3866 CABLEONE, US 7552 3586 3566 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 /13:578 /14:1194 /15:2093 /16:13450 /17:8222 /18:13732 /19:24843 /20:43317 /21:51165 /22:109607 /23:98606 /24:557983 /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 6472 7386 UNI2-AS, ES 8151 5852 11827 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3450 4537 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3119 4173 VIASAT-SP-BACKBONE, US 8551 2924 3447 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2574 3519 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) ---------------------------------------------- 1:2200 2:1425 3:264 4:5 5:4431 6:137 7:6 8:1499 9:1 11:172 12:1502 13:367 14:2318 15:302 16:191 17:367 18:660 20:296 21:4 22:188 23:6432 24:2510 25:2 27:2585 29:19 31:2548 32:75 34:26 35:114 36:2003 37:4541 38:5371 39:871 40:143 41:4039 42:2055 43:2263 44:322 45:16593 46:4274 47:371 49:1824 50:1881 51:583 52:1594 54:389 55:932 56:5 57:127 58:1782 59:1114 60:1003 61:2541 62:2680 63:1910 64:5659 65:2366 66:4962 67:3036 68:1341 69:4149 70:1188 71:666 72:2937 74:2616 75:1563 76:628 77:2299 78:1830 79:2994 80:2092 81:1824 82:1517 83:1307 84:1548 85:3093 86:764 87:1999 88:1205 89:3919 90:623 91:7844 92:2061 93:2618 94:3540 95:4067 96:1301 97:315 98:1082 99:732 100:90 101:1287 102:2921 103:32107 104:4729 105:578 106:905 107:2725 108:1135 109:4229 110:2133 111:3141 112:2057 113:1751 114:1686 115:1994 116:1878 117:2531 118:2701 119:1956 120:1779 121:1127 122:2600 123:2166 124:1575 125:2546 128:1397 129:911 130:1039 131:1985 132:854 133:408 134:1781 135:306 136:971 137:966 138:2628 139:1589 140:1289 141:1329 142:1512 143:1556 144:1005 145:351 146:1956 147:1591 148:2449 149:2315 150:875 151:1227 152:1971 153:522 154:5071 155:1389 156:1993 157:1345 158:1058 159:2191 160:2649 161:1593 162:3513 163:1607 164:1695 165:1859 166:1071 167:1738 168:3822 169:803 170:4639 171:927 172:3799 173:2963 174:981 175:1182 176:3762 177:4474 178:3545 179:2144 180:2460 181:3532 182:3364 183:1992 184:2268 185:20628 186:4744 187:4151 188:4156 189:3877 190:9317 191:1400 192:10951 193:8947 194:7310 195:5209 196:3200 197:2467 198:5929 199:6169 200:7912 201:6162 202:10181 203:10001 204:4530 205:3694 206:4332 207:3408 208:4121 209:4867 210:4212 211:2445 212:4289 213:3383 214:1110 215:70 216:6702 217:2770 218:1267 219:405 220:1800 221:980 222:661 223:2145 End of report