IPv4 R&E Routing Table Report 23:05 GMT Tue 04 Jun, 2024 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: 944195 Prefixes after maximum aggregation (per Origin AS): 361391 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464529 Number of IPv4 prefixes with a valid ROA: 478076 Number of IPv4 prefixes with an invalid ROA: 1113 Number of IPv4 prefixes with no ROA: 465006 Total ASes present in the Internet Routing Table: 75633 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65101 Origin ASes announcing only one prefix: 26640 Transit ASes present in the Internet Routing Table: 10532 Transit-only ASes present in the Internet Routing Table: 507 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 972 Number of instances of unregistered ASNs: 974 Number of 32-bit ASNs allocated by the RIRs: 44651 Number of 32-bit ASNs visible in the Routing Table: 36441 Prefixes from 32-bit ASNs in the Routing Table: 186516 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 592 Number of addresses announced to Internet: 3025956352 Equivalent to 180 /8s, 92 /16s and 110 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 311007 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249098 Total APNIC prefixes after maximum aggregation: 73345 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 241229 Unique aggregates announced from the APNIC address blocks: 101025 APNIC Region origin ASes present in the Internet Routing Table: 14075 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4273 APNIC Region transit ASes present in the Internet Routing Table: 1872 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9529 Number of APNIC addresses announced to Internet: 761005824 Equivalent to 45 /8s, 92 /16s and 7 /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: 275876 Total ARIN prefixes after maximum aggregation: 124981 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280487 Unique aggregates announced from the ARIN address blocks: 134832 ARIN Region origin ASes present in the Internet Routing Table: 19117 ARIN Prefixes per ASN: 14.67 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1894 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4917 Number of ARIN addresses announced to Internet: 1267248128 Equivalent to 75 /8s, 136 /16s and 172 /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, 393216-402332 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: 265288 Total RIPE prefixes after maximum aggregation: 127429 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 259882 Unique aggregates announced from the RIPE address blocks: 164532 RIPE Region origin ASes present in the Internet Routing Table: 28610 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12110 RIPE Region transit ASes present in the Internet Routing Table: 3890 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11804 Number of RIPE addresses announced to Internet: 713639680 Equivalent to 42 /8s, 137 /16s and 71 /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: 121506 Total LACNIC prefixes after maximum aggregation: 28693 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119689 Unique aggregates announced from the LACNIC address blocks: 50141 LACNIC Region origin ASes present in the Internet Routing Table: 11091 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2631 LACNIC Region transit ASes present in the Internet Routing Table: 2378 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8984 Number of LACNIC addresses announced to Internet: 176670720 Equivalent to 10 /8s, 135 /16s and 200 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 31455 Total AfriNIC prefixes after maximum aggregation: 6288 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 42316 Unique aggregates announced from the AfriNIC address blocks: 13553 AfriNIC Region origin ASes present in the Internet Routing Table: 1839 AfriNIC Prefixes per ASN: 23.01 AfriNIC Region origin ASes announcing only one prefix: 657 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1207 Number of AfriNIC addresses announced to Internet: 107073792 Equivalent to 6 /8s, 97 /16s and 209 /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 9826 8742 63 CHINAMOBILE-CN China Mobile Communicati 7545 5635 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4333 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3932 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3772 510 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3276 1857 103 VNPT-AS-VN VNPT Corp, VN 24560 2800 863 383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2196 434 199 TATACOMM-AS TATA Communications formerl 45090 2150 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 9962 11389 3539 AMAZON-02, US 11492 4624 307 587 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3548 8782 874 COGENT-174, US 22773 3460 3024 216 ASN-CXA-ALL-CCI-22773-RDC, US 749 3203 54879 2455 DNIC-AS-00749, US 16625 3029 1305 2195 AKAMAI-AS, US 7018 2877 23667 1816 ATT-INTERNET4, US 367 2794 3388 1309 DNIC-ASBLK-00306-00371, 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 7714 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3791 3396 129 AKAMAI-ASN1, NL 9009 3528 301 1765 M247, RO 12389 2913 2294 871 ROSTELECOM-AS, RU 34984 2341 362 585 TELLCOM-AS, TR 8551 1749 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1687 123 1227 CDNEXT, GB 13188 1601 100 58 TRIOLAN, UA 8452 1532 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 12172 3320 505 UNINET, MX 10620 3513 492 935 Telmex Colombia S.A., CO 13999 2549 355 668 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad 28573 1346 2311 255 Claro NXT Telecomunicacoes Ltda, BR 3816 1323 784 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1237 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1128 315 480 Axtel, S.A.B. de C.V., MX 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 1076 2503 53 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 1569 577 29 RAYA-AS, EG 24863 1487 351 149 LINKdotNET-AS, EG 36992 1376 1520 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1212 77 72 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 531 56 56 WANANCHI-, KE 37342 470 32 1 MOVITEL, MZ 36914 467 82 3 KENET-AS, 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 12172 3320 505 UNINET, MX 16509 9962 11389 3539 AMAZON-02, US 9808 9826 8742 63 CHINAMOBILE-CN China Mobile Communicati 12479 7714 1708 145 UNI2-AS, ES 7545 5635 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4624 307 587 CABLEONE, US 18403 4333 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3932 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9826 9763 CHINAMOBILE-CN China Mobile Communications Grou 12479 7714 7569 UNI2-AS, ES 16509 9962 6423 AMAZON-02, US 7545 5635 4965 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4333 4310 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4624 4037 CABLEONE, US 7552 3932 3911 VIETEL-AS-AP Viettel Group, VN 20940 3791 3662 AKAMAI-ASN1, NL 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 8.10.69.0/24 174 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 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 BTN-ASN, US 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 3491 BTN-ASN, 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 /10:36 /11:93 /12:298 /13:573 /14:1168 /15:2049 /16:13198 /17:8134 /18:13598 /19:24347 /20:43054 /21:51088 /22:110591 /23:99092 /24:576838 /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 6806 7714 UNI2-AS, ES 8151 6218 12172 UNINET, MX 11492 3533 4624 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2568 3460 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2165 2506 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2142 3513 Telmex Colombia S.A., CO 16509 2118 9962 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2294 2:1514 3:344 4:6 5:4552 6:161 7:6 8:1504 9:1 11:172 12:1462 13:354 14:2372 15:319 16:217 17:367 18:760 20:385 21:4 22:188 23:6804 24:2718 25:2 27:2552 29:19 31:2576 32:45 34:65 35:135 36:2310 37:4453 38:7618 39:897 40:125 41:4097 42:2088 43:2338 44:321 45:17128 46:4490 47:305 49:1959 50:1912 51:577 52:1581 54:313 55:998 56:7 57:179 58:2081 59:1197 60:1031 61:2627 62:2766 63:1879 64:5481 65:2315 66:4649 67:2993 68:1306 69:4108 70:1178 71:580 72:2866 74:2587 75:1551 76:622 77:2478 78:1856 79:1769 80:2196 81:2020 82:1649 83:1348 84:1667 85:3180 86:909 87:2018 88:1245 89:4121 90:678 91:8089 92:2317 93:2708 94:3727 95:4194 96:1277 97:315 98:1033 99:738 100:72 101:1168 102:3457 103:32401 104:4778 105:676 106:958 107:2693 108:1145 109:3977 110:2134 111:3250 112:2057 113:1783 114:1803 115:2066 116:1876 117:2661 118:2805 119:1992 120:1777 121:1301 122:2685 123:2210 124:1619 125:2858 126:32 128:1407 129:913 130:1152 131:1836 132:800 133:412 134:1735 135:322 136:1115 137:1040 138:2818 139:1527 140:1364 141:1345 142:1652 143:1572 144:1006 145:370 146:2065 147:1951 148:2508 149:2741 150:1032 151:1341 152:2210 153:525 154:6885 155:1472 156:2264 157:1821 158:1152 159:2318 160:2680 161:1696 162:3551 163:1705 164:1653 165:2154 166:1257 167:1796 168:3965 169:806 170:4927 171:1022 172:3852 173:3036 174:893 175:1231 176:3457 177:4736 178:3678 179:2223 180:2386 181:3736 182:3351 183:1994 184:2256 185:20797 186:4999 187:4532 188:4049 189:4167 190:9420 191:1522 192:10998 193:9099 194:7509 195:5299 196:3200 197:2632 198:5930 199:7875 200:7989 201:6233 202:10207 203:10139 204:4572 205:3635 206:4435 207:3487 208:4151 209:4998 210:4394 211:2527 212:4287 213:3500 214:1064 215:49 216:6786 217:3002 218:1294 219:413 220:1815 221:1036 222:694 223:2214 End of report