IPv4 R&E Routing Table Report 23:05 GMT Sun 12 Jan, 2025 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: 967824 Prefixes after maximum aggregation (per Origin AS): 369829 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 469982 Number of IPv4 prefixes with a valid ROA: 521009 Number of IPv4 prefixes with an invalid ROA: 1311 Number of IPv4 prefixes with no ROA: 445504 Total ASes present in the Internet Routing Table: 76360 Prefixes per ASN: 12.67 Origin-only ASes present in the Internet Routing Table: 65524 Origin ASes announcing only one prefix: 26838 Transit ASes present in the Internet Routing Table: 10836 Transit-only ASes present in the Internet Routing Table: 515 Paths with bogon ASNs present in the IPv4 Routing Table: 7 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: 1057 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 46033 Number of 32-bit ASNs visible in the Routing Table: 37575 Prefixes from 32-bit ASNs in the Routing Table: 196719 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 496 Number of addresses announced to Internet: 3118961664 Equivalent to 185 /8s, 231 /16s and 148 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 316313 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254565 Total APNIC prefixes after maximum aggregation: 76086 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246368 Unique aggregates announced from the APNIC address blocks: 102559 APNIC Region origin ASes present in the Internet Routing Table: 14419 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4408 APNIC Region transit ASes present in the Internet Routing Table: 1927 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 47 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9931 Number of APNIC addresses announced to Internet: 757074944 Equivalent to 45 /8s, 32 /16s and 12 /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: 285112 Total ARIN prefixes after maximum aggregation: 126251 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286891 Unique aggregates announced from the ARIN address blocks: 132576 ARIN Region origin ASes present in the Internet Routing Table: 19164 ARIN Prefixes per ASN: 14.97 ARIN Region origin ASes announcing only one prefix: 6996 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: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5095 Number of ARIN addresses announced to Internet: 1346959616 Equivalent to 80 /8s, 72 /16s and 249 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 269667 Total RIPE prefixes after maximum aggregation: 130848 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266696 Unique aggregates announced from the RIPE address blocks: 170349 RIPE Region origin ASes present in the Internet Routing Table: 28803 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12092 RIPE Region transit ASes present in the Internet Routing Table: 3954 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12178 Number of RIPE addresses announced to Internet: 732894464 Equivalent to 43 /8s, 175 /16s and 21 /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, 53/8, 57/8, 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: 123142 Total LACNIC prefixes after maximum aggregation: 29341 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120562 Unique aggregates announced from the LACNIC address blocks: 48840 LACNIC Region origin ASes present in the Internet Routing Table: 11178 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2652 LACNIC Region transit ASes present in the Internet Routing Table: 2493 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: 9109 Number of LACNIC addresses announced to Internet: 177466624 Equivalent to 10 /8s, 147 /16s and 237 /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: 34281 Total AfriNIC prefixes after maximum aggregation: 6640 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 46811 Unique aggregates announced from the AfriNIC address blocks: 15241 AfriNIC Region origin ASes present in the Internet Routing Table: 1905 AfriNIC Prefixes per ASN: 24.57 AfriNIC Region origin ASes announcing only one prefix: 690 AfriNIC Region transit ASes present in the Internet Routing Table: 364 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1262 Number of AfriNIC addresses announced to Internet: 104307200 Equivalent to 6 /8s, 55 /16s and 154 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10232 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6198 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4375 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4083 524 274 BBIL-AP BHARTI Airtel Ltd., IN 7552 3915 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2822 846 546 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2218 434 195 TATACOMM-AS TATA Communications formerly 45090 2207 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 12614 38898 3293 AMAZON-02, US 11492 4693 312 549 CABLEONE, US 7155 4165 287 84 VIASAT-SP-BACKBONE, US 174 4164 8761 869 COGENT-174, US 6327 3615 1320 79 SHAW, CA 22773 3381 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 396982 2894 3656 440 GOOGLE-CLOUD-PLATFORM, US 16625 2883 1240 2133 AKAMAI-AS, US 7018 2741 23260 1864 ATT-INTERNET4, 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 7667 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3902 3395 125 AKAMAI-ASN1, NL 9009 3762 323 1901 M247, RO 12389 2966 2300 885 ROSTELECOM-AS, RU 34984 2370 360 575 TELLCOM-AS, TR 212238 1883 135 1390 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1576 1852 14 TE-AS TE-AS, EG 62240 1499 99 752 CLOUVIDER Clouvider - Global ASN, GB 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 11599 3227 605 UNINET, MX 10620 3538 491 953 Telmex Colombia S.A., CO 13999 2533 538 368 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1332 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1167 374 163 Axtel, S.A.B. de C.V., MX 6147 1112 371 22 Telefonica del Peru S.A.A., PE 22884 1073 98 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1003 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 1671 593 29 RAYA-AS, EG 24863 1648 389 18 LINKdotNET-AS, EG 29571 1578 100 96 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1001 521 42 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 535 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 16509 12614 38898 3293 AMAZON-02, US 8151 11599 3227 605 UNINET, MX 9808 10232 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7667 1709 143 UNI2-AS, ES 7545 6198 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4693 312 549 CABLEONE, US 18403 4375 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4165 287 84 VIASAT-SP-BACKBONE, US 174 4164 8761 869 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 8151 11599 10994 UNINET, MX 9808 10232 10145 CHINAMOBILE-CN China Mobile Communications Grou 12479 7667 7524 UNI2-AS, ES 7545 6198 5534 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4375 4352 FPT-AS-AP FPT Telecom Company, VN 11492 4693 4144 CABLEONE, US 7155 4165 4081 VIASAT-SP-BACKBONE, US 7552 3915 3890 VIETEL-AS-AP Viettel Group, VN 9498 4083 3809 BBIL-AP BHARTI Airtel Ltd., IN 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 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 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 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.176.0/24 Origin: 40676 AS40676, US 23.140.176.0/24 Transit: 7922 COMCAST-7922, 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 /10:42 /11:93 /12:311 /13:589 /14:1218 /15:2148 /16:13948 /17:8209 /18:13632 /19:24458 /20:43702 /21:51753 /22:111690 /23:100161 /24:595838 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6632 7667 UNI2-AS, ES 8151 5791 11599 UNINET, MX 11492 3555 4693 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3113 4165 VIASAT-SP-BACKBONE, US 22773 2517 3381 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2252 12614 AMAZON-02, US 30036 2233 2572 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2178 3538 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2295 2:1542 3:547 4:9 5:4505 6:165 7:6 8:1550 9:1 11:172 12:1388 13:357 14:2486 15:334 16:270 17:358 18:906 20:449 21:4 22:188 23:7160 24:2732 25:2 27:2659 29:19 31:3052 32:37 34:72 35:177 36:2395 37:4507 38:9047 39:882 40:155 41:4137 42:2012 43:2497 44:346 45:18041 46:4939 47:292 49:2003 50:1866 51:587 52:1571 54:307 55:1031 56:8 57:234 58:2203 59:1180 60:1160 61:2835 62:2915 63:1828 64:5406 65:2205 66:4615 67:3017 68:1228 69:3981 70:1104 71:600 72:2854 74:2780 75:1633 76:633 77:2590 78:1843 79:1704 80:2214 81:2033 82:1827 83:1415 84:1794 85:3272 86:984 87:2156 88:1270 89:4327 90:755 91:8311 92:2757 93:2841 94:3837 95:4161 96:1267 97:311 98:1007 99:733 100:71 101:1367 102:3501 103:32348 104:4540 105:743 106:1012 107:2602 108:1184 109:4063 110:2225 111:3369 112:2037 113:1791 114:1934 115:2167 116:2022 117:2742 118:2879 119:1950 120:1866 121:1351 122:2726 123:2161 124:1589 125:2868 126:62 128:1568 129:937 130:1242 131:1863 132:802 133:450 134:1512 135:324 136:1338 137:1100 138:2887 139:1549 140:1530 141:1462 142:1819 143:1591 144:1037 145:465 146:2119 147:2031 148:2589 149:2848 150:1199 151:1613 152:2112 153:499 154:7879 155:1588 156:3382 157:1876 158:1252 159:2428 160:3466 161:1782 162:3630 163:1771 164:1687 165:2157 166:1341 167:1859 168:4068 169:789 170:5043 171:1000 172:3999 173:3168 174:914 175:1277 176:3574 177:4820 178:3725 179:2223 180:2524 181:3969 182:3349 183:2077 184:2264 185:21333 186:5052 187:4220 188:4226 189:4085 190:9590 191:1535 192:11206 193:9311 194:7665 195:5415 196:3230 197:3575 198:5997 199:8276 200:8100 201:6291 202:10301 203:10477 204:4557 205:3634 206:4613 207:3484 208:4197 209:5096 210:4533 211:2516 212:4517 213:3735 214:1051 215:48 216:6586 217:3077 218:1331 219:376 220:2108 221:1049 222:720 223:2303 End of report