IPv4 R&E Routing Table Report 18:45 GMT Sat 09 Nov, 2024 IPv4 BGP Table (R&E) as seen at TENET. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/TENET/ Analysis Summary ---------------- BGP routing table entries examined: 16312 Prefixes after maximum aggregation (per Origin AS): 8400 Deaggregation factor: 1.94 Unique aggregates announced (without unneeded subnets): 9565 Number of IPv4 prefixes with a valid ROA: 5756 Number of IPv4 prefixes with an invalid ROA: 4 Number of IPv4 prefixes with no ROA: 10552 Total ASes present in the Internet Routing Table: 2250 Prefixes per ASN: 7.25 Origin-only ASes present in the Internet Routing Table: 1964 Origin ASes announcing only one prefix: 818 Transit ASes present in the Internet Routing Table: 286 Transit-only ASes present in the Internet Routing Table: 53 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 28 Max AS path prepend of ASN (138136) 20 Prefixes from unregistered ASNs in the Routing Table: 1 Number of instances of unregistered ASNs: 1 Number of 32-bit ASNs allocated by the RIRs: 45822 Number of 32-bit ASNs visible in the Routing Table: 536 Prefixes from 32-bit ASNs in the Routing Table: 1547 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 158280960 Equivalent to 9 /8s, 111 /16s and 45 /24s Percentage of available address space announced: 4.3 Percentage of allocated address space announced: 3.3 Percentage of available address space allocated: 128.7 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 6106 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4677 Total APNIC prefixes after maximum aggregation: 2294 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 474 Unique aggregates announced from the APNIC address blocks: 394 APNIC Region origin ASes present in the Internet Routing Table: 583 APNIC Prefixes per ASN: 0.81 APNIC Region origin ASes announcing only one prefix: 245 APNIC Region transit ASes present in the Internet Routing Table: 60 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 232 Number of APNIC addresses announced to Internet: 7137536 Equivalent to 0 /8s, 108 /16s and 233 /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 43/8, 45/8, 146/8, 150/8, 160/8, 163/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 8317 Total ARIN prefixes after maximum aggregation: 4815 ARIN Deaggregation factor: 1.73 Prefixes being announced from the ARIN address blocks: 4423 Unique aggregates announced from the ARIN address blocks: 3165 ARIN Region origin ASes present in the Internet Routing Table: 1255 ARIN Prefixes per ASN: 3.52 ARIN Region origin ASes announcing only one prefix: 436 ARIN Region transit ASes present in the Internet Routing Table: 152 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 205 Number of ARIN addresses announced to Internet: 27887616 Equivalent to 1 /8s, 169 /16s and 136 /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 66/8, 139/8, 144/8, 149/8, 162/8, 192/8, 198/8, 199/8, 204/8, 205/8, 207/8, 208/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 887 Total RIPE prefixes after maximum aggregation: 617 RIPE Deaggregation factor: 1.44 Prefixes being announced from the RIPE address blocks: 142 Unique aggregates announced from the RIPE address blocks: 132 RIPE Region origin ASes present in the Internet Routing Table: 186 RIPE Prefixes per ASN: 0.76 RIPE Region origin ASes announcing only one prefix: 79 RIPE Region transit ASes present in the Internet Routing Table: 28 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 12 Number of RIPE region 32-bit ASNs visible in the Routing Table: 31 Number of RIPE addresses announced to Internet: 678912 Equivalent to 0 /8s, 10 /16s and 92 /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 152/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 1442 Total LACNIC prefixes after maximum aggregation: 537 LACNIC Deaggregation factor: 2.69 Prefixes being announced from the LACNIC address blocks: 249 Unique aggregates announced from the LACNIC address blocks: 194 LACNIC Region origin ASes present in the Internet Routing Table: 152 LACNIC Prefixes per ASN: 1.64 LACNIC Region origin ASes announcing only one prefix: 50 LACNIC Region transit ASes present in the Internet Routing Table: 23 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 61 Number of LACNIC addresses announced to Internet: 921088 Equivalent to 0 /8s, 14 /16s and 14 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 128/8, 216/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 988 Total AfriNIC prefixes after maximum aggregation: 136 AfriNIC Deaggregation factor: 7.26 Prefixes being announced from the AfriNIC address blocks: 79 Unique aggregates announced from the AfriNIC address blocks: 46 AfriNIC Region origin ASes present in the Internet Routing Table: 20 AfriNIC Prefixes per ASN: 3.95 AfriNIC Region origin ASes announcing only one prefix: 8 AfriNIC Region transit ASes present in the Internet Routing Table: 7 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 9 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7 Number of AfriNIC addresses announced to Internet: 599296 Equivalent to 0 /8s, 9 /16s and 37 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 161/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 590 2170 464 SINET-AS Research Organization of Informa 7497 447 180 24 CSTNET-AS-AP Computer Network Information 1237 191 74 145 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Rese 55824 131 18 18 NKN-CORE-NW NKN Core Network, IN 4538 130 4192 72 ERX-CERNET-BKB China Education and Resear 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha 4621 70 37 11 UNINET-AS-AP UNINET-, TH 2697 60 4 35 ERX-ERNET-AS Education and Research Netwo Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 668 205 648 174 DNIC-AS-00668, US 376 201 162 150 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 2920 175 34 7 LACOE, US 2152 150 507 97 CENIC-2152, US 18558 140 18 4 NETBLK-RCOEK, US 81 134 517 33 NCREN, US 270 117 328 81 AS270, US 293 110 33 14 ESNET, US 23024 95 7 21 OCDE, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8895 133 24 5 ISU Internet Services Unit ISU, SA 1103 97 1759 84 SURFNET-NL SURFnet, The Netherlands, NL 3267 77 26 67 NIKS, RU 1653 53 150 50 SUNET SUNET Swedish University Network, E 1741 39 149 18 FUNETAS, FI 3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU 8674 16 2 11 NETNOD-IX Netnod AB, SE 1880 14 1 7 STUPI, SE 224 13 256 13 UNINETT UNINETT, The Norwegian University 1101 12 465 12 IP-EEND-AS IP-EEND BV, NL Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 216 178 42 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 11340 110 25 53 Red Universitaria Nacional, CL 271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 61468 51 5 17 CEDIA, EC 2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 4270 47 16 2 Red de Interconexion Universitaria, AR 28614 38 2 2 Fundacao Universidade Regional de Blumena 1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 449 82 3 KENET-AS, KE 2018 379 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 37215 33 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 327700 15 16 1 MoRENet, MZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37654 6 0 5 RwEdNet-AS, RW 37520 3 16 3 Rhodes-Univ, ZA Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 590 2170 464 SINET-AS Research Organization of Informa 36914 449 82 3 KENET-AS, KE 7497 447 180 24 CSTNET-AS-AP Computer Network Information 2018 379 319 71 TENET-1, ZA 1916 216 178 42 Rede Nacional de Ensino e Pesquisa, BR 668 205 648 174 DNIC-AS-00668, US 376 201 162 150 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 1237 191 74 145 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 449 446 KENET-AS, KE 7497 447 423 CSTNET-AS-AP Computer Network Information Cente 2018 379 308 TENET-1, ZA 5786 197 196 UPRENET, PR 58647 180 178 KAGAWAU-AS Kagawa University, JP 1916 216 174 Rede Nacional de Ensino e Pesquisa, BR 2920 175 168 LACOE, US 18558 140 136 NETBLK-RCOEK, US 8895 133 128 ISU Internet Services Unit ISU, SA 55824 131 113 NKN-CORE-NW NKN Core Network, IN Complete listing at https://bgp.nsrc.org/REN/TENET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:1 /10:1 /11:1 /12:10 /13:17 /14:30 /15:87 /16:1472 /17:372 /18:408 /19:491 /20:738 /21:692 /22:1152 /23:1270 /24:9570 /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 7497 263 447 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS, CN 5786 196 197 UPRENET, PR 28391 154 154 Universidad Juarez Autonoma de Tabasco, MX 58647 149 180 KAGAWAU-AS Kagawa University, JP 36914 127 449 KENET-AS, KE 55824 124 131 NKN-CORE-NW NKN Core Network, IN 2018 123 379 TENET-1, ZA 2920 123 175 LACOE, US 293 93 110 ESNET, US 1736 78 79 MU-AS, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 4:2 6:4 8:2 12:1 14:92 23:7 24:3 35:8 38:10 40:1 41:159 42:11 44:4 45:44 47:1 49:10 50:2 52:1 59:19 60:6 61:3 62:4 63:32 64:44 65:4 66:41 67:40 68:12 69:19 70:2 71:1 72:7 74:50 76:41 77:8 80:5 81:1 82:4 83:1 84:2 85:20 86:5 87:1 89:2 91:6 92:2 93:1 96:5 97:1 98:2 101:1 102:2 103:331 104:78 108:10 109:3 111:20 113:2 114:24 116:9 117:61 118:33 119:23 121:27 122:8 123:8 124:42 125:5 128:53 129:29 130:95 131:54 132:65 133:154 134:175 136:197 137:46 138:57 139:6 140:36 141:3 142:52 143:24 144:25 146:136 147:60 148:188 149:12 150:40 151:9 152:140 153:3 154:30 155:63 156:132 157:27 158:30 159:117 160:31 161:16 162:24 163:62 164:11 165:49 166:1 167:10 168:120 169:7 170:89 171:1 172:2 173:7 175:16 177:6 179:13 180:16 182:11 184:6 185:14 186:3 187:21 188:4 189:3 190:18 191:13 192:1093 193:37 194:56 195:29 196:144 197:318 198:475 199:276 200:330 201:37 202:636 203:439 204:379 205:136 206:211 207:225 208:65 209:106 210:217 211:3 212:125 213:2 214:8 216:89 218:21 219:5 220:17 222:2 223:15 End of report