IPv4 R&E Routing Table Report 23:05 GMT Sun 22 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: 952421 Prefixes after maximum aggregation (per Origin AS): 364934 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466418 Number of IPv4 prefixes with a valid ROA: 499125 Number of IPv4 prefixes with an invalid ROA: 1271 Number of IPv4 prefixes with no ROA: 452025 Total ASes present in the Internet Routing Table: 76016 Prefixes per ASN: 12.53 Origin-only ASes present in the Internet Routing Table: 65288 Origin ASes announcing only one prefix: 26769 Transit ASes present in the Internet Routing Table: 10728 Transit-only ASes present in the Internet Routing Table: 512 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 963 Number of instances of unregistered ASNs: 970 Number of 32-bit ASNs allocated by the RIRs: 45413 Number of 32-bit ASNs visible in the Routing Table: 37033 Prefixes from 32-bit ASNs in the Routing Table: 191524 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: 540 Number of addresses announced to Internet: 3033964288 Equivalent to 180 /8s, 214 /16s and 159 /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: 312654 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251719 Total APNIC prefixes after maximum aggregation: 74801 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 243404 Unique aggregates announced from the APNIC address blocks: 100684 APNIC Region origin ASes present in the Internet Routing Table: 14257 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4336 APNIC Region transit ASes present in the Internet Routing Table: 1893 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9739 Number of APNIC addresses announced to Internet: 761678592 Equivalent to 45 /8s, 102 /16s and 75 /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: 279113 Total ARIN prefixes after maximum aggregation: 125826 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 282690 Unique aggregates announced from the ARIN address blocks: 135183 ARIN Region origin ASes present in the Internet Routing Table: 19115 ARIN Prefixes per ASN: 14.79 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1913 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: 5000 Number of ARIN addresses announced to Internet: 1266842112 Equivalent to 75 /8s, 130 /16s and 122 /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: 266306 Total RIPE prefixes after maximum aggregation: 128753 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 262974 Unique aggregates announced from the RIPE address blocks: 167264 RIPE Region origin ASes present in the Internet Routing Table: 28718 RIPE Prefixes per ASN: 9.16 RIPE Region origin ASes announcing only one prefix: 12120 RIPE Region transit ASes present in the Internet Routing Table: 3922 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: 11992 Number of RIPE addresses announced to Internet: 723276032 Equivalent to 43 /8s, 28 /16s and 81 /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: 122169 Total LACNIC prefixes after maximum aggregation: 28684 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 119972 Unique aggregates announced from the LACNIC address blocks: 48509 LACNIC Region origin ASes present in the Internet Routing Table: 11155 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2476 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: 9059 Number of LACNIC addresses announced to Internet: 177682944 Equivalent to 10 /8s, 151 /16s and 58 /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: 32151 Total AfriNIC prefixes after maximum aggregation: 6242 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 42841 Unique aggregates announced from the AfriNIC address blocks: 14317 AfriNIC Region origin ASes present in the Internet Routing Table: 1880 AfriNIC Prefixes per ASN: 22.79 AfriNIC Region origin ASes announcing only one prefix: 680 AfriNIC Region transit ASes present in the Internet Routing Table: 359 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: 1243 Number of AfriNIC addresses announced to Internet: 104188416 Equivalent to 6 /8s, 53 /16s and 202 /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 10048 8750 69 CHINAMOBILE-CN China Mobile Communication 7545 5767 840 660 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4365 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3987 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3793 507 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3641 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2819 849 466 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2211 434 196 TATACOMM-AS TATA Communications formerly 45090 2208 1439 86 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 10704 11807 3781 AMAZON-02, US 11492 4644 309 546 CABLEONE, US 7155 4168 287 88 VIASAT-SP-BACKBONE, US 174 3985 8779 914 COGENT-174, US 6327 3602 1320 79 SHAW, CA 749 3484 55081 2707 DNIC-AS-00749, US 22773 3409 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3101 23686 1941 ATT-INTERNET4, US 396982 2830 3603 428 GOOGLE-CLOUD-PLATFORM, US 16625 2793 1234 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 7637 1708 145 UNI2-AS, ES 39891 4602 278 58 ALJAWWALSTC-AS, SA 20940 3783 3395 125 AKAMAI-ASN1, NL 9009 3670 312 1875 M247, RO 12389 2858 2283 864 ROSTELECOM-AS, RU 34984 2331 357 582 TELLCOM-AS, TR 212238 1787 128 1323 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1582 1852 14 TE-AS TE-AS, EG 8551 1459 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 11713 3255 495 UNINET, MX 10620 3543 494 935 Telmex Colombia S.A., CO 13999 2554 534 365 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad y 28573 1337 2309 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1321 782 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1120 374 163 Axtel, S.A.B. de C.V., MX 6147 1102 369 22 Telefonica del Peru S.A.A., PE 22884 1066 98 371 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 1609 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1340 85 64 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 974 523 47 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 37342 516 32 1 MOVITEL, MZ 36914 515 82 3 KENET-AS, KE 15399 512 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 11713 3255 495 UNINET, MX 16509 10704 11807 3781 AMAZON-02, US 9808 10048 8750 69 CHINAMOBILE-CN China Mobile Communication 12479 7637 1708 145 UNI2-AS, ES 7545 5767 840 660 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4644 309 546 CABLEONE, US 39891 4602 278 58 ALJAWWALSTC-AS, SA 18403 4365 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 287 88 VIASAT-SP-BACKBONE, US 7552 3987 1331 25 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 10048 9979 CHINAMOBILE-CN China Mobile Communications Grou 12479 7637 7492 UNI2-AS, ES 16509 10704 6923 AMAZON-02, US 7545 5767 5107 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4602 4544 ALJAWWALSTC-AS, SA 18403 4365 4342 FPT-AS-AP FPT Telecom Company, VN 11492 4644 4098 CABLEONE, US 7155 4168 4080 VIASAT-SP-BACKBONE, US 7552 3987 3962 VIETEL-AS-AP Viettel Group, VN 20940 3783 3658 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 /13:575 /14:1168 /15:2064 /16:13187 /17:8141 /18:13599 /19:24253 /20:43424 /21:51358 /22:111058 /23:99468 /24:583662 /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 6681 7637 UNI2-AS, ES 8151 5875 11713 UNINET, MX 11492 3554 4644 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3364 4602 ALJAWWALSTC-AS, SA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2542 3409 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2172 3543 Telmex Colombia S.A., CO 16509 2162 10704 AMAZON-02, US 30036 2158 2497 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2274 2:1518 3:474 4:8 5:4489 6:161 7:6 8:1508 9:1 11:172 12:1426 13:370 14:2384 15:328 16:261 17:360 18:886 20:408 21:4 22:188 23:6848 24:2682 25:2 27:2631 29:19 31:2732 32:44 34:68 35:139 36:2359 37:4519 38:8584 39:916 40:154 41:4134 42:2043 43:2409 44:331 45:17478 46:4645 47:300 49:1996 50:1871 51:579 52:1581 54:312 55:959 56:8 57:220 58:2168 59:1198 60:1076 61:2762 62:2772 63:1844 64:5446 65:2277 66:4646 67:3021 68:1335 69:3991 70:1132 71:568 72:2858 74:2780 75:1632 76:619 77:2552 78:1858 79:1631 80:2194 81:2010 82:1686 83:1369 84:1752 85:3106 86:999 87:2071 88:1255 89:4313 90:679 91:8243 92:2491 93:2761 94:3785 95:4279 96:1274 97:316 98:1074 99:737 100:73 101:1164 102:3389 103:32211 104:4449 105:707 106:985 107:2379 108:1155 109:3972 110:2145 111:3305 112:2049 113:1775 114:1891 115:2085 116:1955 117:2677 118:2862 119:1988 120:1870 121:1348 122:2692 123:2126 124:1619 125:2828 126:64 128:1365 129:930 130:1225 131:1846 132:809 133:444 134:1506 135:310 136:1200 137:1061 138:2840 139:1512 140:1453 141:1446 142:1754 143:1606 144:1021 145:373 146:2081 147:2035 148:2539 149:2791 150:1068 151:1367 152:2096 153:501 154:6520 155:1499 156:2459 157:1819 158:1195 159:2442 160:3091 161:1727 162:3563 163:1754 164:1940 165:2135 166:1309 167:1833 168:4037 169:781 170:4951 171:1035 172:3903 173:3095 174:903 175:1251 176:3451 177:4820 178:3598 179:2182 180:2435 181:3888 182:3319 183:2058 184:2257 185:21076 186:4994 187:4285 188:4175 189:4138 190:9615 191:1487 192:11046 193:9236 194:7549 195:5400 196:3215 197:2702 198:5913 199:8125 200:8132 201:6336 202:10230 203:10359 204:4575 205:3646 206:4446 207:3546 208:4168 209:5103 210:4494 211:2558 212:4449 213:3651 214:1067 215:62 216:6655 217:2943 218:1322 219:389 220:2042 221:1046 222:713 223:2233 End of report