IPv4 R&E Routing Table Report 23:05 GMT Tue 12 Dec, 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: 929340 Prefixes after maximum aggregation (per Origin AS): 355811 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455507 Number of IPv4 prefixes with a valid ROA: 432990 Number of IPv4 prefixes with an invalid ROA: 1227 Number of IPv4 prefixes with no ROA: 495123 Total ASes present in the Internet Routing Table: 74953 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64434 Origin ASes announcing only one prefix: 26548 Transit ASes present in the Internet Routing Table: 10519 Transit-only ASes present in the Internet Routing Table: 446 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 950 Number of instances of unregistered ASNs: 952 Number of 32-bit ASNs allocated by the RIRs: 43232 Number of 32-bit ASNs visible in the Routing Table: 35462 Prefixes from 32-bit ASNs in the Routing Table: 177679 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 512 Number of addresses announced to Internet: 3047236864 Equivalent to 181 /8s, 161 /16s and 37 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 309681 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244256 Total APNIC prefixes after maximum aggregation: 71381 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237434 Unique aggregates announced from the APNIC address blocks: 99374 APNIC Region origin ASes present in the Internet Routing Table: 13741 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 4129 APNIC Region transit ASes present in the Internet Routing Table: 1852 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9133 Number of APNIC addresses announced to Internet: 770660096 Equivalent to 45 /8s, 239 /16s and 87 /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: 272443 Total ARIN prefixes after maximum aggregation: 124277 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277119 Unique aggregates announced from the ARIN address blocks: 132810 ARIN Region origin ASes present in the Internet Routing Table: 19035 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1886 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4816 Number of ARIN addresses announced to Internet: 1275559936 Equivalent to 76 /8s, 7 /16s and 128 /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: 261560 Total RIPE prefixes after maximum aggregation: 124849 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256090 Unique aggregates announced from the RIPE address blocks: 160639 RIPE Region origin ASes present in the Internet Routing Table: 28495 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12130 RIPE Region transit ASes present in the Internet Routing Table: 3923 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11473 Number of RIPE addresses announced to Internet: 714648064 Equivalent to 42 /8s, 152 /16s and 170 /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: 119765 Total LACNIC prefixes after maximum aggregation: 28594 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118445 Unique aggregates announced from the LACNIC address blocks: 49427 LACNIC Region origin ASes present in the Internet Routing Table: 11053 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2358 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8895 Number of LACNIC addresses announced to Internet: 178349056 Equivalent to 10 /8s, 161 /16s and 100 /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: 30366 Total AfriNIC prefixes after maximum aggregation: 6040 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 39740 Unique aggregates announced from the AfriNIC address blocks: 12837 AfriNIC Region origin ASes present in the Internet Routing Table: 1802 AfriNIC Prefixes per ASN: 22.05 AfriNIC Region origin ASes announcing only one prefix: 635 AfriNIC Region transit ASes present in the Internet Routing Table: 339 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1145 Number of AfriNIC addresses announced to Internet: 107659776 Equivalent to 6 /8s, 106 /16s and 194 /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 9732 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5661 783 679 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4428 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3646 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1045 67 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3389 494 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3266 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2641 853 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2234 11258 589 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 199 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 9400 11178 3385 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4166 288 96 VIASAT-SP-BACKBONE, US 6327 3560 1320 69 SHAW, CA 22773 3504 3039 298 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3172 1409 2318 AKAMAI-AS, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2960 3822 1401 DNIC-ASBLK-00306-00371, US 396982 2729 3633 380 GOOGLE-CLOUD-PLATFORM, US 7018 2575 23627 1593 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 7581 1714 146 UNI2-AS, ES 39891 4434 262 59 ALJAWWALSTC-AS, SA 20940 3997 3397 140 AKAMAI-ASN1, NL 9009 3498 300 1626 M247, RO 8551 3261 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2881 2300 907 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1595 888 593 TCI, IR 8452 1539 1852 14 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 12145 3379 601 UNINET, MX 10620 3527 499 872 Telmex Colombia S.A., CO 13999 2488 338 634 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1341 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1087 177 431 Techtel LMDS Comunicaciones Interactiva 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1047 2502 52 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 1596 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1046 67 58 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 522 55 51 WANANCHI-, KE 36914 518 82 3 KENET-AS, KE 37342 484 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 12145 3379 601 UNINET, MX 9808 9732 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9400 11178 3385 AMAZON-02, US 12479 7581 1714 146 UNI2-AS, ES 7545 5661 783 679 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4562 303 680 CABLEONE, US 39891 4434 262 59 ALJAWWALSTC-AS, SA 18403 4428 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4166 288 96 VIASAT-SP-BACKBONE, US 20940 3997 3397 140 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 9732 9691 CHINAMOBILE-CN China Mobile Communications Grou 12479 7581 7435 UNI2-AS, ES 16509 9400 6015 AMAZON-02, US 7545 5661 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4428 4403 FPT-AS-AP FPT Telecom Company, VN 39891 4434 4375 ALJAWWALSTC-AS, SA 7155 4166 4070 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3997 3857 AKAMAI-ASN1, NL 7552 3646 3626 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 8.10.69.0/24 174 COGENT-174, 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 3356 LEVEL3, 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 23.167.184.0/24 Origin: 150698 VCL-AS-AP VCORE LTD, VN 23.167.184.0/24 Transit: 33387 NOCIX, 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 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 /11:99 /12:298 /13:578 /14:1190 /15:2058 /16:13404 /17:8192 /18:13676 /19:24754 /20:43132 /21:51131 /22:110008 /23:99223 /24:561522 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6667 7581 UNI2-AS, ES 8151 6150 12145 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3367 3560 SHAW, CA 39891 3252 4434 ALJAWWALSTC-AS, SA 7155 3112 4166 VIASAT-SP-BACKBONE, US 8551 2738 3261 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2559 3504 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2137 2483 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3527 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) ---------------------------------------------- 1:2244 2:1417 3:282 4:5 5:4386 6:159 7:6 8:1494 9:1 11:172 12:1487 13:369 14:2324 15:304 16:204 17:361 18:705 20:328 21:4 22:188 23:6566 24:2590 25:2 27:2568 29:19 31:2540 32:53 34:34 35:116 36:2054 37:4467 38:5731 39:881 40:146 41:4099 42:2135 43:2299 44:327 45:16638 46:4371 47:286 49:1896 50:1882 51:509 52:1595 54:387 55:886 56:5 57:126 58:1853 59:1115 60:1007 61:2589 62:2744 63:1904 64:5483 65:2349 66:4985 67:3048 68:1341 69:4057 70:1173 71:606 72:2920 74:2628 75:1564 76:640 77:2271 78:1822 79:2992 80:2123 81:1871 82:1518 83:1322 84:1605 85:2962 86:782 87:1969 88:1230 89:3918 90:650 91:7885 92:2177 93:2633 94:3580 95:3997 96:1298 97:316 98:1017 99:739 100:95 101:1148 102:2983 103:32467 104:4791 105:593 106:977 107:2759 108:1140 109:4078 110:2132 111:3143 112:2073 113:1705 114:1744 115:2001 116:1935 117:2569 118:2754 119:1950 120:1771 121:1226 122:2638 123:2170 124:1598 125:2748 128:1427 129:896 130:1055 131:1975 132:824 133:410 134:1718 135:293 136:914 137:987 138:2708 139:1547 140:1337 141:1353 142:1534 143:1517 144:1003 145:334 146:1991 147:1598 148:2479 149:2377 150:1011 151:1287 152:1840 153:527 154:5329 155:1369 156:2127 157:1369 158:1089 159:2195 160:2626 161:1616 162:3585 163:1624 164:1617 165:1868 166:1071 167:1760 168:3809 169:794 170:4679 171:970 172:3757 173:3016 174:899 175:1213 176:3589 177:4670 178:3523 179:2249 180:2323 181:3604 182:3404 183:2021 184:2266 185:20468 186:4769 187:4336 188:3982 189:3980 190:9325 191:1499 192:10958 193:8961 194:7285 195:5209 196:3139 197:2631 198:5923 199:6706 200:7971 201:6218 202:10197 203:10039 204:4573 205:3660 206:4386 207:3379 208:4057 209:4916 210:4287 211:2483 212:4203 213:3391 214:1116 215:63 216:6756 217:2759 218:1289 219:413 220:1797 221:1012 222:701 223:2193 End of report