IPv4 R&E Routing Table Report 23:05 GMT Thu 26 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: 952777 Prefixes after maximum aggregation (per Origin AS): 365188 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467076 Number of IPv4 prefixes with a valid ROA: 500288 Number of IPv4 prefixes with an invalid ROA: 1235 Number of IPv4 prefixes with no ROA: 451254 Total ASes present in the Internet Routing Table: 76026 Prefixes per ASN: 12.53 Origin-only ASes present in the Internet Routing Table: 65280 Origin ASes announcing only one prefix: 26800 Transit ASes present in the Internet Routing Table: 10746 Transit-only ASes present in the Internet Routing Table: 511 Paths with bogon ASNs present in the IPv4 Routing Table: 16 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 47 Prefixes from unregistered ASNs in the Routing Table: 956 Number of instances of unregistered ASNs: 969 Number of 32-bit ASNs allocated by the RIRs: 45428 Number of 32-bit ASNs visible in the Routing Table: 37055 Prefixes from 32-bit ASNs in the Routing Table: 191741 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 527 Number of addresses announced to Internet: 3031019520 Equivalent to 180 /8s, 169 /16s and 176 /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: 312687 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251950 Total APNIC prefixes after maximum aggregation: 74832 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 243652 Unique aggregates announced from the APNIC address blocks: 100779 APNIC Region origin ASes present in the Internet Routing Table: 14283 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4353 APNIC Region transit ASes present in the Internet Routing Table: 1904 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: 9768 Number of APNIC addresses announced to Internet: 758948608 Equivalent to 45 /8s, 60 /16s and 163 /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: 279283 Total ARIN prefixes after maximum aggregation: 125968 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 282799 Unique aggregates announced from the ARIN address blocks: 135553 ARIN Region origin ASes present in the Internet Routing Table: 19119 ARIN Prefixes per ASN: 14.79 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1917 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4998 Number of ARIN addresses announced to Internet: 1266767360 Equivalent to 75 /8s, 129 /16s and 86 /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: 266467 Total RIPE prefixes after maximum aggregation: 128794 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263238 Unique aggregates announced from the RIPE address blocks: 167436 RIPE Region origin ASes present in the Internet Routing Table: 28712 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12120 RIPE Region transit ASes present in the Internet Routing Table: 3923 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: 11993 Number of RIPE addresses announced to Internet: 723325952 Equivalent to 43 /8s, 29 /16s and 20 /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: 121976 Total LACNIC prefixes after maximum aggregation: 28723 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 119766 Unique aggregates announced from the LACNIC address blocks: 48564 LACNIC Region origin ASes present in the Internet Routing Table: 11150 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2674 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: 9055 Number of LACNIC addresses announced to Internet: 177506304 Equivalent to 10 /8s, 148 /16s and 136 /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: 32145 Total AfriNIC prefixes after maximum aggregation: 6245 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 42795 Unique aggregates announced from the AfriNIC address blocks: 14298 AfriNIC Region origin ASes present in the Internet Routing Table: 1875 AfriNIC Prefixes per ASN: 22.82 AfriNIC Region origin ASes announcing only one prefix: 682 AfriNIC Region transit ASes present in the Internet Routing Table: 354 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1241 Number of AfriNIC addresses announced to Internet: 104187392 Equivalent to 6 /8s, 53 /16s and 198 /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 10051 8750 69 CHINAMOBILE-CN China Mobile Communication 7545 5808 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4389 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3990 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3806 508 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3649 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2828 851 470 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 10807 11822 3802 AMAZON-02, US 11492 4647 309 546 CABLEONE, US 7155 4168 287 88 VIASAT-SP-BACKBONE, US 174 3949 8775 919 COGENT-174, US 6327 3602 1320 79 SHAW, CA 749 3483 55081 2706 DNIC-AS-00749, US 22773 3429 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3164 23691 1958 ATT-INTERNET4, US 396982 2833 3603 418 GOOGLE-CLOUD-PLATFORM, US 16625 2792 1234 2104 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 7626 1708 145 UNI2-AS, ES 39891 4602 278 58 ALJAWWALSTC-AS, SA 20940 3778 3395 125 AKAMAI-ASN1, NL 9009 3680 315 1871 M247, RO 12389 2938 2295 887 ROSTELECOM-AS, RU 34984 2323 356 580 TELLCOM-AS, TR 212238 1803 130 1335 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1521 1852 14 TE-AS TE-AS, EG 8551 1469 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 11507 3227 507 UNINET, MX 10620 3545 494 937 Telmex Colombia S.A., CO 13999 2544 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 1150 374 163 Axtel, S.A.B. de C.V., MX 6147 1106 369 22 Telefonica del Peru S.A.A., PE 22884 1069 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1047 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 1611 389 16 LINKdotNET-AS, EG 36992 1412 1519 283 ETISALAT-MISR, EG 29571 1341 85 63 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 974 523 47 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 517 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 15399 511 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 11507 3227 507 UNINET, MX 16509 10807 11822 3802 AMAZON-02, US 9808 10051 8750 69 CHINAMOBILE-CN China Mobile Communication 12479 7626 1708 145 UNI2-AS, ES 7545 5808 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4647 309 546 CABLEONE, US 39891 4602 278 58 ALJAWWALSTC-AS, SA 18403 4389 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 287 88 VIASAT-SP-BACKBONE, US 7552 3990 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 10051 9982 CHINAMOBILE-CN China Mobile Communications Grou 12479 7626 7481 UNI2-AS, ES 16509 10807 7005 AMAZON-02, US 7545 5808 5150 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4602 4544 ALJAWWALSTC-AS, SA 18403 4389 4366 FPT-AS-AP FPT Telecom Company, VN 11492 4647 4101 CABLEONE, US 7155 4168 4080 VIASAT-SP-BACKBONE, US 7552 3990 3965 VIETEL-AS-AP Viettel Group, VN 20940 3778 3653 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 203727 UNALLOCATED 5.42.92.0/24 215826 PARTNER-HOSTING-LTD, GB 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 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 /10:36 /11:92 /12:295 /13:575 /14:1170 /15:2058 /16:13183 /17:8141 /18:13593 /19:24243 /20:43445 /21:51474 /22:111069 /23:99546 /24:583817 /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 6673 7626 UNI2-AS, ES 8151 5707 11507 UNINET, MX 11492 3554 4647 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3364 4602 ALJAWWALSTC-AS, SA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2563 3429 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2221 10807 AMAZON-02, US 10620 2174 3545 Telmex Colombia S.A., CO 30036 2164 2503 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2278 2:1518 3:483 4:8 5:4505 6:160 7:6 8:1508 9:1 11:172 12:1423 13:371 14:2389 15:328 16:264 17:361 18:889 20:409 21:4 22:188 23:6854 24:2678 25:2 27:2632 29:19 31:2778 32:44 34:68 35:139 36:2354 37:4512 38:8593 39:918 40:154 41:4122 42:2061 43:2415 44:335 45:17478 46:4615 47:296 49:1997 50:1873 51:579 52:1577 54:318 55:966 56:8 57:220 58:2169 59:1199 60:1082 61:2766 62:2767 63:1841 64:5465 65:2270 66:4649 67:3020 68:1335 69:3987 70:1144 71:568 72:2838 74:2778 75:1627 76:609 77:2558 78:1861 79:1638 80:2193 81:2017 82:1695 83:1361 84:1748 85:3090 86:1007 87:2113 88:1250 89:4303 90:669 91:8237 92:2571 93:2797 94:3799 95:4275 96:1268 97:316 98:1073 99:737 100:74 101:1165 102:3349 103:32284 104:4445 105:707 106:985 107:2391 108:1157 109:3972 110:2161 111:3307 112:2049 113:1764 114:1893 115:2100 116:1960 117:2677 118:2866 119:1989 120:1872 121:1346 122:2690 123:2130 124:1618 125:2829 126:64 128:1375 129:929 130:1224 131:1846 132:808 133:444 134:1508 135:310 136:1202 137:1069 138:2835 139:1508 140:1456 141:1436 142:1756 143:1598 144:1026 145:372 146:2071 147:2039 148:2546 149:2800 150:1069 151:1370 152:2096 153:501 154:6528 155:1501 156:2458 157:1820 158:1193 159:2443 160:3119 161:1728 162:3560 163:1754 164:1935 165:2141 166:1315 167:1833 168:4021 169:778 170:4954 171:1033 172:3905 173:3098 174:902 175:1259 176:3456 177:4752 178:3591 179:2195 180:2429 181:3896 182:3319 183:2053 184:2257 185:21061 186:5018 187:4252 188:4176 189:4068 190:9627 191:1489 192:11059 193:9241 194:7570 195:5404 196:3226 197:2693 198:5917 199:8132 200:8048 201:6331 202:10222 203:10363 204:4561 205:3625 206:4443 207:3552 208:4160 209:5113 210:4497 211:2564 212:4463 213:3661 214:1067 215:62 216:6639 217:2926 218:1323 219:391 220:2052 221:1047 222:713 223:2237 End of report