IPv4 R&E Routing Table Report 23:05 GMT Fri 12 Jul, 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: 946197 Prefixes after maximum aggregation (per Origin AS): 362331 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465590 Number of IPv4 prefixes with a valid ROA: 485417 Number of IPv4 prefixes with an invalid ROA: 1222 Number of IPv4 prefixes with no ROA: 459558 Total ASes present in the Internet Routing Table: 75728 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65140 Origin ASes announcing only one prefix: 26632 Transit ASes present in the Internet Routing Table: 10588 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 24 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 1014 Number of instances of unregistered ASNs: 1025 Number of 32-bit ASNs allocated by the RIRs: 44959 Number of 32-bit ASNs visible in the Routing Table: 36631 Prefixes from 32-bit ASNs in the Routing Table: 188211 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 559 Number of addresses announced to Internet: 3025881088 Equivalent to 180 /8s, 91 /16s and 72 /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: 310962 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249855 Total APNIC prefixes after maximum aggregation: 73789 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241703 Unique aggregates announced from the APNIC address blocks: 101670 APNIC Region origin ASes present in the Internet Routing Table: 14156 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4295 APNIC Region transit ASes present in the Internet Routing Table: 1882 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9619 Number of APNIC addresses announced to Internet: 761049856 Equivalent to 45 /8s, 92 /16s and 179 /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: 276449 Total ARIN prefixes after maximum aggregation: 125015 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280948 Unique aggregates announced from the ARIN address blocks: 134587 ARIN Region origin ASes present in the Internet Routing Table: 19084 ARIN Prefixes per ASN: 14.72 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1895 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: 4926 Number of ARIN addresses announced to Internet: 1267168256 Equivalent to 75 /8s, 135 /16s and 116 /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: 265517 Total RIPE prefixes after maximum aggregation: 127520 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260757 Unique aggregates announced from the RIPE address blocks: 165309 RIPE Region origin ASes present in the Internet Routing Table: 28629 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12096 RIPE Region transit ASes present in the Internet Routing Table: 3889 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: 11874 Number of RIPE addresses announced to Internet: 715036672 Equivalent to 42 /8s, 158 /16s and 152 /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: 121507 Total LACNIC prefixes after maximum aggregation: 29099 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119515 Unique aggregates announced from the LACNIC address blocks: 50027 LACNIC Region origin ASes present in the Internet Routing Table: 11112 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2636 LACNIC Region transit ASes present in the Internet Routing Table: 2416 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9002 Number of LACNIC addresses announced to Internet: 177180160 Equivalent to 10 /8s, 143 /16s and 142 /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: 31855 Total AfriNIC prefixes after maximum aggregation: 6235 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 42715 Unique aggregates announced from the AfriNIC address blocks: 13531 AfriNIC Region origin ASes present in the Internet Routing Table: 1845 AfriNIC Prefixes per ASN: 23.15 AfriNIC Region origin ASes announcing only one prefix: 655 AfriNIC Region transit ASes present in the Internet Routing Table: 347 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1210 Number of AfriNIC addresses announced to Internet: 105140736 Equivalent to 6 /8s, 68 /16s and 82 /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 9843 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5660 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4214 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3962 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3786 511 264 BBIL-AP BHARTI Airtel Ltd., IN 7713 3642 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3238 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2815 856 415 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2199 434 201 TATACOMM-AS TATA Communications formerly 45090 2192 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10100 11536 3627 AMAZON-02, US 11492 4627 307 563 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3783 8791 888 COGENT-174, US 6327 3594 1320 78 SHAW, CA 22773 3424 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3254 54899 2506 DNIC-AS-00749, US 16625 2982 1282 2162 AKAMAI-AS, US 7018 2942 23687 1839 ATT-INTERNET4, US 396982 2756 3594 406 GOOGLE-CLOUD-PLATFORM, 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 7711 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3804 3396 129 AKAMAI-ASN1, NL 9009 3568 304 1813 M247, RO 12389 2869 2292 858 ROSTELECOM-AS, RU 34984 2346 361 578 TELLCOM-AS, TR 8551 1775 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1716 123 1248 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1574 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 11881 3312 510 UNINET, MX 10620 3521 492 937 Telmex Colombia S.A., CO 13999 2542 354 681 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1289 771 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1073 2503 53 TIM SA, BR 22884 1064 97 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1605 389 16 LINKdotNET-AS, EG 24835 1557 593 29 RAYA-AS, EG 36992 1381 1520 283 ETISALAT-MISR, EG 29571 1260 80 76 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 940 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 15399 507 56 57 WANANCHI-, KE 36914 500 82 3 KENET-AS, KE 37342 433 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 11881 3312 510 UNINET, MX 16509 10100 11536 3627 AMAZON-02, US 9808 9843 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7711 1708 145 UNI2-AS, ES 7545 5660 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4627 307 563 CABLEONE, US 18403 4214 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3962 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 9843 9769 CHINAMOBILE-CN China Mobile Communications Grou 12479 7711 7566 UNI2-AS, ES 16509 10100 6473 AMAZON-02, US 7545 5660 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4214 4191 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4627 4064 CABLEONE, US 7552 3962 3941 VIETEL-AS-AP Viettel Group, VN 20940 3804 3675 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-D 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 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 46639 UNALLOCATED 8.38.73.0/24 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /11:92 /12:294 /13:570 /14:1165 /15:2054 /16:13175 /17:8149 /18:13598 /19:24322 /20:43074 /21:51211 /22:110597 /23:99200 /24:578621 /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 6797 7711 UNI2-AS, ES 8151 5937 11881 UNINET, MX 11492 3537 4627 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3391 3594 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2562 3424 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2150 3521 Telmex Colombia S.A., CO 16509 2128 10100 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2313 2:1502 3:367 4:6 5:4380 6:149 7:6 8:1508 9:1 11:172 12:1435 13:359 14:2338 15:321 16:219 17:370 18:780 20:388 21:4 22:188 23:6880 24:2688 25:2 27:2619 29:19 31:2590 32:45 34:65 35:134 36:2345 37:4496 38:8065 39:907 40:149 41:4092 42:1994 43:2364 44:324 45:17333 46:4520 47:299 49:1954 50:1891 51:581 52:1570 54:314 55:903 56:8 57:216 58:2141 59:1197 60:1048 61:2677 62:2755 63:1880 64:5477 65:2307 66:4603 67:2997 68:1301 69:4067 70:1161 71:558 72:2858 74:2587 75:1551 76:622 77:2487 78:1865 79:1782 80:2176 81:2021 82:1642 83:1366 84:1682 85:3173 86:923 87:2031 88:1238 89:4190 90:690 91:8154 92:2340 93:2705 94:3735 95:4192 96:1277 97:317 98:1028 99:738 100:73 101:1165 102:3517 103:32292 104:4758 105:695 106:994 107:2463 108:1142 109:4058 110:2129 111:3248 112:2047 113:1810 114:1811 115:2073 116:1946 117:2662 118:2802 119:1979 120:1781 121:1300 122:2690 123:2253 124:1609 125:2840 126:32 128:1384 129:920 130:1170 131:1865 132:798 133:416 134:1729 135:318 136:1120 137:1054 138:2865 139:1522 140:1416 141:1370 142:1666 143:1557 144:1016 145:359 146:2091 147:1997 148:2533 149:2764 150:1037 151:1363 152:2214 153:521 154:6915 155:1491 156:2170 157:1873 158:1169 159:2432 160:2795 161:1696 162:3529 163:1698 164:1671 165:2129 166:1232 167:1815 168:4025 169:797 170:4962 171:1029 172:3875 173:3051 174:889 175:1243 176:3444 177:4673 178:3675 179:2194 180:2415 181:3792 182:3332 183:1978 184:2256 185:20847 186:4982 187:4381 188:4065 189:4176 190:9474 191:1523 192:11020 193:9145 194:7465 195:5296 196:3209 197:2679 198:5912 199:7978 200:8049 201:6214 202:10214 203:10248 204:4560 205:3617 206:4444 207:3493 208:4157 209:5002 210:4395 211:2529 212:4357 213:3589 214:1055 215:49 216:6742 217:3065 218:1318 219:421 220:1809 221:1035 222:691 223:2225 End of report