IPv4 R&E Routing Table Report 23:05 GMT Wed 18 Sep, 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: 951931 Prefixes after maximum aggregation (per Origin AS): 364725 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465983 Number of IPv4 prefixes with a valid ROA: 498250 Number of IPv4 prefixes with an invalid ROA: 1407 Number of IPv4 prefixes with no ROA: 452274 Total ASes present in the Internet Routing Table: 76014 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 65309 Origin ASes announcing only one prefix: 26776 Transit ASes present in the Internet Routing Table: 10705 Transit-only ASes present in the Internet Routing Table: 510 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 960 Number of instances of unregistered ASNs: 967 Number of 32-bit ASNs allocated by the RIRs: 45388 Number of 32-bit ASNs visible in the Routing Table: 37022 Prefixes from 32-bit ASNs in the Routing Table: 191364 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 537 Number of addresses announced to Internet: 3033380608 Equivalent to 180 /8s, 205 /16s and 183 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 312722 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251298 Total APNIC prefixes after maximum aggregation: 74775 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 243097 Unique aggregates announced from the APNIC address blocks: 100665 APNIC Region origin ASes present in the Internet Routing Table: 14263 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4341 APNIC Region transit ASes present in the Internet Routing Table: 1887 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9740 Number of APNIC addresses announced to Internet: 761403392 Equivalent to 45 /8s, 98 /16s and 24 /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: 279010 Total ARIN prefixes after maximum aggregation: 125768 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 282548 Unique aggregates announced from the ARIN address blocks: 135118 ARIN Region origin ASes present in the Internet Routing Table: 19113 ARIN Prefixes per ASN: 14.78 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1909 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4995 Number of ARIN addresses announced to Internet: 1266697472 Equivalent to 75 /8s, 128 /16s and 69 /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: 266071 Total RIPE prefixes after maximum aggregation: 128594 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 262722 Unique aggregates announced from the RIPE address blocks: 166962 RIPE Region origin ASes present in the Internet Routing Table: 28709 RIPE Prefixes per ASN: 9.15 RIPE Region origin ASes announcing only one prefix: 12112 RIPE Region transit ASes present in the Internet Routing Table: 3918 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11978 Number of RIPE addresses announced to Internet: 723134208 Equivalent to 43 /8s, 26 /16s and 39 /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: 122443 Total LACNIC prefixes after maximum aggregation: 28735 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120234 Unique aggregates announced from the LACNIC address blocks: 48491 LACNIC Region origin ASes present in the Internet Routing Table: 11159 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2468 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9065 Number of LACNIC addresses announced to Internet: 177708032 Equivalent to 10 /8s, 151 /16s and 156 /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: 32149 Total AfriNIC prefixes after maximum aggregation: 6225 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 42793 Unique aggregates announced from the AfriNIC address blocks: 14284 AfriNIC Region origin ASes present in the Internet Routing Table: 1880 AfriNIC Prefixes per ASN: 22.76 AfriNIC Region origin ASes announcing only one prefix: 684 AfriNIC Region transit ASes present in the Internet Routing Table: 357 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1244 Number of AfriNIC addresses announced to Internet: 104154880 Equivalent to 6 /8s, 53 /16s and 71 /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 9938 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5767 840 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4339 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3983 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3788 507 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3636 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2814 844 468 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2210 434 195 TATACOMM-AS TATA Communications formerly 45090 2188 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 10708 11803 3743 AMAZON-02, US 11492 4643 309 546 CABLEONE, US 7155 4168 287 88 VIASAT-SP-BACKBONE, US 174 3988 8780 910 COGENT-174, US 6327 3602 1320 79 SHAW, CA 749 3486 55081 2709 DNIC-AS-00749, US 22773 3406 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3091 23685 1935 ATT-INTERNET4, US 396982 2824 3575 428 GOOGLE-CLOUD-PLATFORM, US 16625 2796 1237 2103 AKAMAI-AS, 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 7629 1708 145 UNI2-AS, ES 39891 4534 273 57 ALJAWWALSTC-AS, SA 20940 3786 3395 125 AKAMAI-ASN1, NL 9009 3667 313 1874 M247, RO 12389 2855 2282 863 ROSTELECOM-AS, RU 34984 2334 359 585 TELLCOM-AS, TR 212238 1821 130 1341 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1581 1852 14 TE-AS TE-AS, EG 8551 1444 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11702 3253 494 UNINET, MX 10620 3543 494 935 Telmex Colombia S.A., CO 13999 2555 534 366 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad y 28573 1336 2309 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1321 782 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1148 374 163 Axtel, S.A.B. de C.V., MX 6147 1104 369 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1044 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 1622 593 29 RAYA-AS, EG 24863 1607 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1336 85 65 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 975 523 48 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 524 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 15399 509 57 58 WANANCHI-, 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 11702 3253 494 UNINET, MX 16509 10708 11803 3743 AMAZON-02, US 9808 9938 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7629 1708 145 UNI2-AS, ES 7545 5767 840 662 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4643 309 546 CABLEONE, US 39891 4534 273 57 ALJAWWALSTC-AS, SA 18403 4339 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 287 88 VIASAT-SP-BACKBONE, US 174 3988 8780 910 COGENT-174, 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 9938 9863 CHINAMOBILE-CN China Mobile Communications Grou 12479 7629 7484 UNI2-AS, ES 16509 10708 6965 AMAZON-02, US 7545 5767 5105 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4534 4477 ALJAWWALSTC-AS, SA 18403 4339 4316 FPT-AS-AP FPT Telecom Company, VN 11492 4643 4097 CABLEONE, US 7155 4168 4080 VIASAT-SP-BACKBONE, US 7552 3983 3962 VIETEL-AS-AP Viettel Group, VN 20940 3786 3661 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 CONSOLE-CONNECT-ASN, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 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 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 /9:16 /10:37 /11:92 /12:295 /13:573 /14:1166 /15:2062 /16:13146 /17:8137 /18:13608 /19:24258 /20:43430 /21:51353 /22:111054 /23:99366 /24:583314 /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 6676 7629 UNI2-AS, ES 8151 5867 11702 UNINET, MX 11492 3553 4643 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3360 4534 ALJAWWALSTC-AS, SA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2539 3406 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2172 3543 Telmex Colombia S.A., CO 30036 2172 2510 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2166 10708 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2271 2:1515 3:472 4:8 5:4489 6:161 7:6 8:1508 9:1 11:172 12:1428 13:372 14:2386 15:328 16:259 17:360 18:886 20:408 21:4 22:188 23:6838 24:2681 25:2 27:2632 29:19 31:2715 32:44 34:68 35:138 36:2358 37:4505 38:8556 39:916 40:154 41:4105 42:2025 43:2403 44:333 45:17449 46:4634 47:299 49:1974 50:1875 51:579 52:1577 54:317 55:964 56:8 57:217 58:2169 59:1200 60:1076 61:2760 62:2783 63:1845 64:5436 65:2278 66:4643 67:3018 68:1334 69:3998 70:1131 71:566 72:2857 74:2768 75:1633 76:619 77:2532 78:1857 79:1620 80:2195 81:2020 82:1689 83:1376 84:1760 85:3143 86:999 87:2063 88:1250 89:4319 90:681 91:8243 92:2481 93:2754 94:3768 95:4275 96:1276 97:316 98:1073 99:737 100:73 101:1158 102:3375 103:32209 104:4379 105:701 106:983 107:2379 108:1155 109:3956 110:2140 111:3282 112:2048 113:1799 114:1884 115:2081 116:1956 117:2678 118:2860 119:1986 120:1805 121:1350 122:2696 123:2136 124:1619 125:2819 126:64 128:1364 129:927 130:1215 131:1851 132:811 133:428 134:1506 135:310 136:1202 137:1067 138:2845 139:1515 140:1449 141:1446 142:1745 143:1616 144:1022 145:369 146:2072 147:2035 148:2538 149:2780 150:1068 151:1363 152:2094 153:502 154:6517 155:1495 156:2452 157:1811 158:1188 159:2439 160:3082 161:1729 162:3558 163:1757 164:1939 165:2137 166:1302 167:1838 168:4043 169:768 170:4955 171:1031 172:3901 173:3094 174:902 175:1252 176:3452 177:4848 178:3600 179:2225 180:2452 181:3903 182:3319 183:2034 184:2258 185:21053 186:5020 187:4281 188:4163 189:4158 190:9622 191:1511 192:11026 193:9234 194:7547 195:5388 196:3229 197:2727 198:5914 199:8119 200:8147 201:6355 202:10228 203:10355 204:4541 205:3634 206:4470 207:3557 208:4174 209:5105 210:4496 211:2557 212:4430 213:3660 214:1064 215:62 216:6655 217:2946 218:1323 219:388 220:2042 221:1046 222:710 223:2237 End of report