IPv4 R&E Routing Table Report 23:05 GMT Mon 15 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: 945804 Prefixes after maximum aggregation (per Origin AS): 362192 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465589 Number of IPv4 prefixes with a valid ROA: 483912 Number of IPv4 prefixes with an invalid ROA: 1245 Number of IPv4 prefixes with no ROA: 460647 Total ASes present in the Internet Routing Table: 75728 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65145 Origin ASes announcing only one prefix: 26630 Transit ASes present in the Internet Routing Table: 10583 Transit-only ASes present in the Internet Routing Table: 508 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: 1004 Number of instances of unregistered ASNs: 1015 Number of 32-bit ASNs allocated by the RIRs: 44976 Number of 32-bit ASNs visible in the Routing Table: 36637 Prefixes from 32-bit ASNs in the Routing Table: 187967 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: 549 Number of addresses announced to Internet: 3025534976 Equivalent to 180 /8s, 86 /16s and 0 /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: 310816 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249619 Total APNIC prefixes after maximum aggregation: 73874 APNIC Deaggregation factor: 3.38 Prefixes being announced from the APNIC address blocks: 241606 Unique aggregates announced from the APNIC address blocks: 101804 APNIC Region origin ASes present in the Internet Routing Table: 14166 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4306 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: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9631 Number of APNIC addresses announced to Internet: 761046016 Equivalent to 45 /8s, 92 /16s and 164 /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: 276602 Total ARIN prefixes after maximum aggregation: 125059 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280947 Unique aggregates announced from the ARIN address blocks: 134598 ARIN Region origin ASes present in the Internet Routing Table: 19083 ARIN Prefixes per ASN: 14.72 ARIN Region origin ASes announcing only one prefix: 6951 ARIN Region transit ASes present in the Internet Routing Table: 1892 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: 1267063808 Equivalent to 75 /8s, 133 /16s and 220 /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: 265056 Total RIPE prefixes after maximum aggregation: 127441 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260404 Unique aggregates announced from the RIPE address blocks: 165209 RIPE Region origin ASes present in the Internet Routing Table: 28616 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12088 RIPE Region transit ASes present in the Internet Routing Table: 3888 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: 11864 Number of RIPE addresses announced to Internet: 714954240 Equivalent to 42 /8s, 157 /16s and 86 /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: 121594 Total LACNIC prefixes after maximum aggregation: 28904 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119611 Unique aggregates announced from the LACNIC address blocks: 50007 LACNIC Region origin ASes present in the Internet Routing Table: 11116 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2630 LACNIC Region transit ASes present in the Internet Routing Table: 2418 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: 9005 Number of LACNIC addresses announced to Internet: 177154048 Equivalent to 10 /8s, 143 /16s and 40 /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: 31929 Total AfriNIC prefixes after maximum aggregation: 6248 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 42687 Unique aggregates announced from the AfriNIC address blocks: 13515 AfriNIC Region origin ASes present in the Internet Routing Table: 1845 AfriNIC Prefixes per ASN: 23.14 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: 5.3 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1211 Number of AfriNIC addresses announced to Internet: 105018624 Equivalent to 6 /8s, 66 /16s and 117 /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 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4200 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 3645 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3238 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2820 859 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2198 434 201 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 10129 11540 3624 AMAZON-02, US 11492 4627 307 563 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3781 8790 885 COGENT-174, US 6327 3594 1320 78 SHAW, CA 22773 3424 3035 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54899 2505 DNIC-AS-00749, US 16625 2987 1285 2162 AKAMAI-AS, US 7018 2945 23688 1842 ATT-INTERNET4, US 396982 2758 3594 408 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 7709 1708 145 UNI2-AS, ES 39891 4522 272 56 ALJAWWALSTC-AS, SA 20940 3809 3396 129 AKAMAI-ASN1, NL 9009 3570 305 1814 M247, RO 12389 2868 2292 858 ROSTELECOM-AS, RU 34984 2346 361 578 TELLCOM-AS, TR 8551 1774 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 11863 3306 506 UNINET, MX 10620 3521 492 937 Telmex Colombia S.A., CO 13999 2543 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 1321 777 200 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 19037 1259 278 33 AMX Argentina S.A., AR 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 26615 1084 2503 53 TIM SA, BR 6147 1079 369 22 Telefonica del Peru S.A.A., PE 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 1613 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1381 1520 283 ETISALAT-MISR, EG 29571 1263 80 77 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 941 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 37342 524 32 1 MOVITEL, MZ 15399 510 56 58 WANANCHI-, KE 36914 490 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 11863 3306 506 UNINET, MX 16509 10129 11540 3624 AMAZON-02, US 9808 9843 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7709 1708 145 UNI2-AS, ES 7545 5660 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4627 307 563 CABLEONE, US 39891 4522 272 56 ALJAWWALSTC-AS, SA 18403 4200 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 7709 7564 UNI2-AS, ES 16509 10129 6505 AMAZON-02, US 7545 5660 4991 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4522 4466 ALJAWWALSTC-AS, SA 18403 4200 4177 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 3809 3680 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 /9:16 /10:37 /11:92 /12:294 /13:570 /14:1165 /15:2053 /16:13182 /17:8141 /18:13586 /19:24295 /20:43041 /21:51220 /22:110589 /23:99232 /24:578267 /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 6795 7709 UNI2-AS, ES 8151 5923 11863 UNINET, MX 11492 3537 4627 CABLEONE, US 6327 3391 3594 SHAW, CA 39891 3345 4522 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2562 3424 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2150 3521 Telmex Colombia S.A., CO 16509 2128 10129 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2295 2:1486 3:371 4:6 5:4379 6:149 7:6 8:1510 9:1 11:172 12:1438 13:361 14:2326 15:321 16:219 17:364 18:783 20:386 21:4 22:188 23:6867 24:2693 25:2 27:2620 29:19 31:2584 32:44 34:65 35:134 36:2346 37:4494 38:8071 39:907 40:149 41:4080 42:1991 43:2364 44:325 45:17341 46:4506 47:299 49:1954 50:1870 51:581 52:1570 54:314 55:919 56:8 57:212 58:2141 59:1197 60:1048 61:2679 62:2757 63:1880 64:5478 65:2307 66:4611 67:2985 68:1296 69:4056 70:1161 71:558 72:2857 74:2589 75:1550 76:622 77:2489 78:1868 79:1787 80:2175 81:2021 82:1639 83:1363 84:1684 85:3174 86:919 87:2022 88:1237 89:4172 90:689 91:8158 92:2341 93:2693 94:3729 95:4182 96:1277 97:317 98:1027 99:739 100:73 101:1163 102:3502 103:32279 104:4755 105:695 106:994 107:2483 108:1148 109:4035 110:2128 111:3249 112:2047 113:1807 114:1813 115:2077 116:1946 117:2662 118:2800 119:1975 120:1781 121:1300 122:2692 123:2253 124:1610 125:2840 126:32 128:1379 129:921 130:1168 131:1873 132:803 133:416 134:1730 135:318 136:1118 137:1055 138:2856 139:1525 140:1415 141:1368 142:1666 143:1584 144:1021 145:358 146:2091 147:1995 148:2536 149:2681 150:1032 151:1364 152:2210 153:521 154:6857 155:1428 156:2161 157:1875 158:1168 159:2429 160:2812 161:1695 162:3518 163:1695 164:1677 165:2128 166:1247 167:1814 168:4028 169:802 170:4926 171:1027 172:3883 173:3050 174:889 175:1240 176:3440 177:4645 178:3606 179:2207 180:2411 181:3798 182:3332 183:1978 184:2255 185:20845 186:4996 187:4386 188:4035 189:4162 190:9468 191:1532 192:11023 193:9147 194:7479 195:5287 196:3209 197:2766 198:5908 199:7992 200:8046 201:6229 202:10215 203:10245 204:4561 205:3630 206:4446 207:3489 208:4160 209:5008 210:4399 211:2529 212:4351 213:3588 214:1054 215:49 216:6745 217:3065 218:1324 219:422 220:1809 221:1022 222:691 223:2223 End of report