IPv4 R&E Routing Table Report 23:05 GMT Tue 24 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: 952688 Prefixes after maximum aggregation (per Origin AS): 365079 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466593 Number of IPv4 prefixes with a valid ROA: 499684 Number of IPv4 prefixes with an invalid ROA: 1297 Number of IPv4 prefixes with no ROA: 451707 Total ASes present in the Internet Routing Table: 76013 Prefixes per ASN: 12.53 Origin-only ASes present in the Internet Routing Table: 65271 Origin ASes announcing only one prefix: 26777 Transit ASes present in the Internet Routing Table: 10742 Transit-only ASes present in the Internet Routing Table: 512 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: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 958 Number of instances of unregistered ASNs: 971 Number of 32-bit ASNs allocated by the RIRs: 45416 Number of 32-bit ASNs visible in the Routing Table: 37036 Prefixes from 32-bit ASNs in the Routing Table: 191648 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: 542 Number of addresses announced to Internet: 3034075648 Equivalent to 180 /8s, 216 /16s and 82 /24s Percentage of available address space announced: 82.0 Percentage of allocated address space announced: 82.0 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: 312692 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251760 Total APNIC prefixes after maximum aggregation: 74806 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 243449 Unique aggregates announced from the APNIC address blocks: 100728 APNIC Region origin ASes present in the Internet Routing Table: 14267 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4347 APNIC Region transit ASes present in the Internet Routing Table: 1899 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: 9749 Number of APNIC addresses announced to Internet: 761702912 Equivalent to 45 /8s, 102 /16s and 170 /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: 279309 Total ARIN prefixes after maximum aggregation: 125885 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 282855 Unique aggregates announced from the ARIN address blocks: 135242 ARIN Region origin ASes present in the Internet Routing Table: 19116 ARIN Prefixes per ASN: 14.80 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1911 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: 5001 Number of ARIN addresses announced to Internet: 1266837504 Equivalent to 75 /8s, 130 /16s and 104 /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: 266360 Total RIPE prefixes after maximum aggregation: 128787 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263057 Unique aggregates announced from the RIPE address blocks: 167294 RIPE Region origin ASes present in the Internet Routing Table: 28710 RIPE Prefixes per ASN: 9.16 RIPE Region origin ASes announcing only one prefix: 12113 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: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11985 Number of RIPE addresses announced to Internet: 723406336 Equivalent to 43 /8s, 30 /16s and 78 /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: 122226 Total LACNIC prefixes after maximum aggregation: 28725 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120006 Unique aggregates announced from the LACNIC address blocks: 48542 LACNIC Region origin ASes present in the Internet Routing Table: 11148 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2483 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9053 Number of LACNIC addresses announced to Internet: 177637120 Equivalent to 10 /8s, 150 /16s and 135 /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: 32075 Total AfriNIC prefixes after maximum aggregation: 6247 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 42779 Unique aggregates announced from the AfriNIC address blocks: 14326 AfriNIC Region origin ASes present in the Internet Routing Table: 1881 AfriNIC Prefixes per ASN: 22.74 AfriNIC Region origin ASes announcing only one prefix: 684 AfriNIC Region transit ASes present in the Internet Routing Table: 358 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: 1248 Number of AfriNIC addresses announced to Internet: 104202496 Equivalent to 6 /8s, 54 /16s and 1 /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 9977 8750 69 CHINAMOBILE-CN China Mobile Communication 7545 5782 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4356 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3988 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3803 508 264 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 2824 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 10743 11814 3768 AMAZON-02, US 11492 4646 309 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3970 8778 912 COGENT-174, US 6327 3602 1320 79 SHAW, CA 749 3484 55081 2707 DNIC-AS-00749, US 22773 3432 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3113 23688 1953 ATT-INTERNET4, US 396982 2832 3603 426 GOOGLE-CLOUD-PLATFORM, US 16625 2786 1229 2098 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 7618 1708 145 UNI2-AS, ES 39891 4602 278 58 ALJAWWALSTC-AS, SA 20940 3761 3395 125 AKAMAI-ASN1, NL 9009 3644 311 1861 M247, RO 12389 2939 2295 887 ROSTELECOM-AS, RU 34984 2327 357 582 TELLCOM-AS, TR 212238 1790 129 1325 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1582 1852 14 TE-AS TE-AS, EG 8551 1460 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 11703 3251 500 UNINET, MX 10620 3544 494 936 Telmex Colombia S.A., CO 13999 2553 534 364 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 1322 782 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 6147 1103 369 22 Telefonica del Peru S.A.A., PE 22884 1071 98 372 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 1621 593 29 RAYA-AS, EG 24863 1610 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1341 85 63 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 972 523 47 Vodafone-, EG 6713 558 1861 35 IAM-AS, MA 36914 530 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 11703 3251 500 UNINET, MX 16509 10743 11814 3768 AMAZON-02, US 9808 9977 8750 69 CHINAMOBILE-CN China Mobile Communication 12479 7618 1708 145 UNI2-AS, ES 7545 5782 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4646 309 547 CABLEONE, US 39891 4602 278 58 ALJAWWALSTC-AS, SA 18403 4356 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3988 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 9977 9908 CHINAMOBILE-CN China Mobile Communications Grou 12479 7618 7473 UNI2-AS, ES 16509 10743 6975 AMAZON-02, US 7545 5782 5123 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4602 4544 ALJAWWALSTC-AS, SA 18403 4356 4333 FPT-AS-AP FPT Telecom Company, VN 11492 4646 4099 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3988 3963 VIETEL-AS-AP Viettel Group, VN 20940 3761 3636 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 /15:2065 /16:13188 /17:8140 /18:13606 /19:24250 /20:43431 /21:51455 /22:111102 /23:99530 /24:583714 /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 6664 7618 UNI2-AS, ES 8151 5878 11703 UNINET, MX 11492 3554 4646 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3364 4602 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2565 3432 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2191 10743 AMAZON-02, US 10620 2173 3544 Telmex Colombia S.A., CO 30036 2164 2502 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2268 2:1519 3:477 4:8 5:4479 6:162 7:6 8:1508 9:1 11:172 12:1424 13:370 14:2390 15:328 16:262 17:360 18:887 20:408 21:4 22:188 23:6839 24:2680 25:2 27:2633 29:19 31:2737 32:44 34:68 35:139 36:2355 37:4510 38:8602 39:917 40:154 41:4125 42:2039 43:2413 44:334 45:17469 46:4625 47:300 49:2000 50:1877 51:579 52:1576 54:317 55:963 56:8 57:220 58:2168 59:1199 60:1082 61:2766 62:2774 63:1843 64:5446 65:2273 66:4650 67:3020 68:1342 69:3992 70:1143 71:567 72:2843 74:2779 75:1627 76:619 77:2558 78:1865 79:1633 80:2196 81:2015 82:1696 83:1369 84:1753 85:3088 86:994 87:2095 88:1246 89:4321 90:674 91:8247 92:2506 93:2765 94:3798 95:4279 96:1273 97:316 98:1074 99:736 100:73 101:1164 102:3354 103:32242 104:4451 105:703 106:985 107:2380 108:1158 109:3971 110:2146 111:3307 112:2049 113:1774 114:1891 115:2088 116:1960 117:2677 118:2859 119:1989 120:1851 121:1346 122:2692 123:2130 124:1617 125:2828 126:64 128:1377 129:931 130:1224 131:1849 132:810 133:444 134:1506 135:310 136:1199 137:1064 138:2839 139:1514 140:1454 141:1438 142:1754 143:1598 144:1027 145:372 146:2078 147:2040 148:2546 149:2810 150:1068 151:1368 152:2096 153:501 154:6521 155:1506 156:2467 157:1817 158:1197 159:2444 160:3096 161:1730 162:3568 163:1756 164:1940 165:2142 166:1311 167:1832 168:4011 169:781 170:4952 171:1033 172:3904 173:3100 174:903 175:1254 176:3446 177:4769 178:3599 179:2171 180:2437 181:3879 182:3319 183:2046 184:2257 185:21054 186:5012 187:4308 188:4164 189:4156 190:9598 191:1503 192:11055 193:9237 194:7549 195:5401 196:3209 197:2711 198:5915 199:8133 200:8130 201:6352 202:10212 203:10370 204:4569 205:3643 206:4441 207:3557 208:4164 209:5106 210:4495 211:2562 212:4460 213:3657 214:1065 215:62 216:6649 217:2945 218:1322 219:389 220:2048 221:1043 222:713 223:2206 End of report