IPv4 R&E Routing Table Report 18:50 GMT Thu 07 Nov, 2024 IPv4 BGP Table (R&E) as seen at KENET. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KENET/ Analysis Summary ---------------- BGP routing table entries examined: 11398 Prefixes after maximum aggregation (per Origin AS): 5838 Deaggregation factor: 1.95 Unique aggregates announced (without unneeded subnets): 6726 Number of IPv4 prefixes with a valid ROA: 4126 Number of IPv4 prefixes with an invalid ROA: 4 Number of IPv4 prefixes with no ROA: 7268 Total ASes present in the Internet Routing Table: 1738 Prefixes per ASN: 6.56 Origin-only ASes present in the Internet Routing Table: 1491 Origin ASes announcing only one prefix: 614 Transit ASes present in the Internet Routing Table: 247 Transit-only ASes present in the Internet Routing Table: 60 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 29 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: 45796 Number of 32-bit ASNs visible in the Routing Table: 413 Prefixes from 32-bit ASNs in the Routing Table: 1166 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: 111305984 Equivalent to 6 /8s, 162 /16s and 101 /24s Percentage of available address space announced: 3.0 Percentage of allocated address space announced: 2.3 Percentage of available address space allocated: 128.6 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 4494 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 2162 Total APNIC prefixes after maximum aggregation: 1372 APNIC Deaggregation factor: 1.58 Prefixes being announced from the APNIC address blocks: 196 Unique aggregates announced from the APNIC address blocks: 157 APNIC Region origin ASes present in the Internet Routing Table: 367 APNIC Prefixes per ASN: 0.53 APNIC Region origin ASes announcing only one prefix: 145 APNIC Region transit ASes present in the Internet Routing Table: 45 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 150 Number of APNIC addresses announced to Internet: 2797824 Equivalent to 0 /8s, 42 /16s and 177 /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: 6497 Total ARIN prefixes after maximum aggregation: 3535 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 3384 Unique aggregates announced from the ARIN address blocks: 2180 ARIN Region origin ASes present in the Internet Routing Table: 1062 ARIN Prefixes per ASN: 3.19 ARIN Region origin ASes announcing only one prefix: 383 ARIN Region transit ASes present in the Internet Routing Table: 141 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 181 Number of ARIN addresses announced to Internet: 23842048 Equivalent to 1 /8s, 107 /16s and 205 /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, 164/8, 192/8, 198/8, 199/8, 204/8, 205/8, 207/8, 208/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 451 Total RIPE prefixes after maximum aggregation: 252 RIPE Deaggregation factor: 1.79 Prefixes being announced from the RIPE address blocks: 15 Unique aggregates announced from the RIPE address blocks: 14 RIPE Region origin ASes present in the Internet Routing Table: 91 RIPE Prefixes per ASN: 0.16 RIPE Region origin ASes announcing only one prefix: 34 RIPE Region transit ASes present in the Internet Routing Table: 17 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 13 Number of RIPE region 32-bit ASNs visible in the Routing Table: 18 Number of RIPE addresses announced to Internet: 4608 Equivalent to 0 /8s, 0 /16s and 18 /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: 1326 Total LACNIC prefixes after maximum aggregation: 532 LACNIC Deaggregation factor: 2.49 Prefixes being announced from the LACNIC address blocks: 223 Unique aggregates announced from the LACNIC address blocks: 195 LACNIC Region origin ASes present in the Internet Routing Table: 150 LACNIC Prefixes per ASN: 1.49 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: 6.1 Max LACNIC Region AS path length visible: 15 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 61 Number of LACNIC addresses announced to Internet: 986624 Equivalent to 0 /8s, 15 /16s and 14 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 72/8, 128/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 961 Total AfriNIC prefixes after maximum aggregation: 146 AfriNIC Deaggregation factor: 6.58 Prefixes being announced from the AfriNIC address blocks: 74 Unique aggregates announced from the AfriNIC address blocks: 43 AfriNIC Region origin ASes present in the Internet Routing Table: 7 AfriNIC Prefixes per ASN: 10.57 AfriNIC Region origin ASes announcing only one prefix: 2 AfriNIC Region transit ASes present in the Internet Routing Table: 4 Average AfriNIC Region AS path length visible: 1.9 Max AfriNIC Region AS path length visible: 6 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 3 Number of AfriNIC addresses announced to Internet: 467968 Equivalent to 0 /8s, 7 /16s and 36 /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 1237 191 74 145 KREONET-AS-KR KISTI, KR 7575 121 229 87 AARNET-AS-AP Australian Academic and Rese 4538 106 3165 71 ERX-CERNET-BKB China Education and Resear 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 2697 54 3 32 ERX-ERNET-AS Education and Research Netwo 9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR 2907 46 43 29 SINET-AS Research Organization of Informa 1659 40 1466 35 ERX-TANET-ASN1 Taiwan Academic Network TA 24361 33 56 17 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeast 9568 32 2 4 KIMM-AS-KR KOREA INSTITUTE OF MACHINERY M Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 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 23024 95 7 21 OCDE, US 21976 91 50 17 NJEDGE-NET, US 237 85 541 50 MERIT-AS-14, US 1736 79 16 1 MU-AS, US 3477 74 63 41 NOAA-NWAVE, US Complete listing at https://bgp.nsrc.org/REN/KENET/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 3267 77 26 67 NIKS, RU 3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU 29384 11 3 8 QATAR-FOUNDATION, QA 5480 8 1 8 R61NET Network of educational, scientific 50517 8 2 1 KSU, SA 2895 7 3 7 FREE-NET-AS FREEnet, RU 42289 7 2 3 ITMO-AS ITMO, RU 5386 6 3 2 COSMOS-SN-AS SpaceNet, RU 57867 6 0 4 REA-AS, RU Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 177 178 42 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 11340 109 25 52 Red Universitaria Nacional, CL 271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a 61468 50 5 17 CEDIA, EC 4270 48 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 3596 37 8 4 Universidad Autonoma Metropolitana, MX Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 548 80 61 KENET-AS, KE 2018 382 319 71 TENET-1, ZA 6879 24 2 9 ENSTINET-, EG 328225 3 0 1 Strathmore-University, KE 327945 2 0 2 ILRI, KE 6149 1 0 1 TENET-2, ZA 329418 1 0 1 International-Centre-Research-Agroforestr Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 36914 548 80 61 KENET-AS, KE 2018 382 319 71 TENET-1, ZA 5786 197 16 1 UPRENET, PR 1237 191 74 145 KREONET-AS-KR KISTI, KR 1916 177 178 42 Rede Nacional de Ensino e Pesquisa, BR 2920 175 34 7 LACOE, US 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 2152 150 507 97 CENIC-2152, US 18558 140 18 4 NETBLK-RCOEK, US 81 134 517 33 NCREN, US Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 2018 382 311 TENET-1, ZA 5786 197 196 UPRENET, PR 2920 175 168 LACOE, US 18558 140 136 NETBLK-RCOEK, US 1916 177 135 Rede Nacional de Ensino e Pesquisa, BR 8895 133 128 ISU Internet Services Unit ISU, SA 81 134 101 NCREN, US 28391 154 86 Universidad Juarez Autonoma de Tabasco, MX 1736 79 78 MU-AS, US 23024 95 74 OCDE, US Complete listing at https://bgp.nsrc.org/REN/KENET/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/KENET/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 /12:5 /13:11 /14:18 /15:60 /16:977 /17:297 /18:319 /19:391 /20:557 /21:476 /22:791 /23:840 /24:6653 /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 36914 205 548 KENET-AS, KE 5786 196 197 UPRENET, PR 28391 154 154 Universidad Juarez Autonoma de Tabasco, MX 2018 123 382 TENET-1, ZA 2920 123 175 LACOE, US 1736 78 79 MU-AS, US 21976 71 91 NJEDGE-NET, US 7939 60 61 UNIVCENTFLA, US 23570 59 59 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 23024 58 95 OCDE, US Complete listing at https://bgp.nsrc.org/REN/KENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 8:2 12:1 14:20 23:5 24:3 35:3 38:9 40:1 41:180 42:10 44:2 45:36 47:1 49:10 50:2 52:1 59:1 61:1 62:4 63:32 64:42 65:4 66:39 67:40 68:12 69:19 70:2 71:1 72:7 74:50 76:41 77:7 80:5 81:1 82:4 83:1 84:1 85:20 86:5 91:3 92:2 97:1 98:2 102:1 103:221 104:77 108:8 109:3 111:4 114:14 116:3 117:61 118:1 121:10 125:3 128:50 129:27 130:93 131:28 132:60 133:2 134:90 136:197 137:45 138:57 139:5 140:31 141:3 142:4 143:13 144:24 146:109 147:55 148:188 149:12 150:36 151:7 152:137 153:3 154:24 155:59 156:130 157:24 158:13 159:17 160:24 161:11 162:20 163:51 164:11 165:49 166:1 167:7 168:113 169:7 170:90 171:1 172:2 173:7 175:16 177:5 179:13 180:8 181:1 182:9 184:2 185:11 186:3 187:20 188:3 189:3 190:18 191:4 192:622 193:12 194:31 195:29 196:138 197:337 198:302 199:133 200:281 201:37 202:181 203:256 204:327 205:61 206:129 207:160 208:61 209:84 210:131 211:3 212:125 213:2 216:69 218:21 219:1 220:13 222:2 223:11 End of report