IPv4 R&E Routing Table Report 20:20 GMT Thu 07 Nov, 2024 IPv4 BGP Table (R&E) as seen at Erdemnet. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Erdemnet/ Analysis Summary ---------------- BGP routing table entries examined: 19885 Prefixes after maximum aggregation (per Origin AS): 10871 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 12164 Number of IPv4 prefixes with a valid ROA: 7726 Number of IPv4 prefixes with an invalid ROA: 99 Number of IPv4 prefixes with no ROA: 12060 Total ASes present in the Internet Routing Table: 2851 Prefixes per ASN: 6.97 Origin-only ASes present in the Internet Routing Table: 2470 Origin ASes announcing only one prefix: 1093 Transit ASes present in the Internet Routing Table: 381 Transit-only ASes present in the Internet Routing Table: 63 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 6.8 Max AS path length visible: 28 Max AS path prepend of ASN (138136) 20 Prefixes from unregistered ASNs in the Routing Table: 5 Number of instances of unregistered ASNs: 5 Number of 32-bit ASNs allocated by the RIRs: 45796 Number of 32-bit ASNs visible in the Routing Table: 711 Prefixes from 32-bit ASNs in the Routing Table: 1930 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: 1 Number of addresses announced to Internet: 201586688 Equivalent to 12 /8s, 3 /16s and 248 /24s Percentage of available address space announced: 5.4 Percentage of allocated address space announced: 4.2 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: 7162 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5158 Total APNIC prefixes after maximum aggregation: 2425 APNIC Deaggregation factor: 2.13 Prefixes being announced from the APNIC address blocks: 546 Unique aggregates announced from the APNIC address blocks: 466 APNIC Region origin ASes present in the Internet Routing Table: 627 APNIC Prefixes per ASN: 0.87 APNIC Region origin ASes announcing only one prefix: 260 APNIC Region transit ASes present in the Internet Routing Table: 65 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 249 Number of APNIC addresses announced to Internet: 7223296 Equivalent to 0 /8s, 110 /16s and 56 /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: 8659 Total ARIN prefixes after maximum aggregation: 4854 ARIN Deaggregation factor: 1.78 Prefixes being announced from the ARIN address blocks: 4760 Unique aggregates announced from the ARIN address blocks: 3129 ARIN Region origin ASes present in the Internet Routing Table: 1280 ARIN Prefixes per ASN: 3.72 ARIN Region origin ASes announcing only one prefix: 449 ARIN Region transit ASes present in the Internet Routing Table: 154 Average ARIN Region AS path length visible: 7.9 Max ARIN Region AS path length visible: 19 Number of ARIN region 32-bit ASNs visible in the Routing Table: 214 Number of ARIN addresses announced to Internet: 27752448 Equivalent to 1 /8s, 167 /16s and 120 /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: 3582 Total RIPE prefixes after maximum aggregation: 2878 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 862 Unique aggregates announced from the RIPE address blocks: 819 RIPE Region origin ASes present in the Internet Routing Table: 673 RIPE Prefixes per ASN: 1.28 RIPE Region origin ASes announcing only one prefix: 301 RIPE Region transit ASes present in the Internet Routing Table: 108 Average RIPE Region AS path length visible: 6.2 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 158 Number of RIPE addresses announced to Internet: 10409216 Equivalent to 0 /8s, 158 /16s and 213 /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: 1439 Total LACNIC prefixes after maximum aggregation: 538 LACNIC Deaggregation factor: 2.67 Prefixes being announced from the LACNIC address blocks: 252 Unique aggregates announced from the LACNIC address blocks: 197 LACNIC Region origin ASes present in the Internet Routing Table: 154 LACNIC Prefixes per ASN: 1.64 LACNIC Region origin ASes announcing only one prefix: 52 LACNIC Region transit ASes present in the Internet Routing Table: 23 Average LACNIC Region AS path length visible: 8.1 Max LACNIC Region AS path length visible: 17 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62 Number of LACNIC addresses announced to Internet: 1052416 Equivalent to 0 /8s, 16 /16s and 15 /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: 1042 Total AfriNIC prefixes after maximum aggregation: 172 AfriNIC Deaggregation factor: 6.06 Prefixes being announced from the AfriNIC address blocks: 83 Unique aggregates announced from the AfriNIC address blocks: 50 AfriNIC Region origin ASes present in the Internet Routing Table: 51 AfriNIC Prefixes per ASN: 1.63 AfriNIC Region origin ASes announcing only one prefix: 31 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 8.0 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28 Number of AfriNIC addresses announced to Internet: 608768 Equivalent to 0 /8s, 9 /16s and 74 /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 171 329 114 AARNET-AS-AP Australian Academic and Rese 17882 144 9 33 UNIVISION-AS-AP UNIVISION LLC, MN 55824 132 18 19 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Resear 4850 84 0 1 DIGICOM-AS-AP Digicom LLC, MN 9484 76 5 6 MOBINET-AS-MN Mobinet LLC. AS Mobinet Int Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2152 512 508 100 CENIC-2152, US 2920 229 44 49 LACOE, US 668 204 632 173 DNIC-AS-00668, US 376 201 162 150 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 18558 139 18 5 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 Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 283 1899 249 DFN Verein zur Foerderung eines Deutschen 786 186 1767 183 JANET Jisc Services Limited, GB 8895 133 24 5 ISU Internet Services Unit ISU, SA 559 114 533 104 SWITCH Peering requests: peering@switch.c 1103 97 1759 84 SURFNET-NL SURFnet, The Netherlands, NL 2614 93 26 73 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 77 26 67 NIKS, RU Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 209 178 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 4270 48 16 2 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 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/Erdemnet/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 446 82 3 KENET-AS, KE 2018 381 319 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 37661 12 8 4 NRaE1-AS, NG 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37654 6 0 5 RwEdNet-AS, RW Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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 2152 512 508 100 CENIC-2152, US 7497 447 180 24 CSTNET-AS-AP Computer Network Information 36914 446 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 680 283 1899 249 DFN Verein zur Foerderung eines Deutschen 2920 229 44 49 LACOE, US 1916 209 178 42 Rede Nacional de Ensino e Pesquisa, BR 668 204 632 173 DNIC-AS-00668, US 376 201 162 150 RISQ-AS, CA Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 446 443 KENET-AS, KE 7497 447 423 CSTNET-AS-AP Computer Network Information Cente 2152 512 412 CENIC-2152, US 2018 381 310 TENET-1, ZA 5786 197 196 UPRENET, PR 2920 229 180 LACOE, US 58647 180 178 KAGAWAU-AS Kagawa University, JP 1916 209 167 Rede Nacional de Ensino e Pesquisa, BR 18558 139 134 NETBLK-RCOEK, US 8895 133 128 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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 65101 PRIVATE 202.21.123.0/24 9484 MOBINET-AS-MN Mobinet L 65512 PRIVATE 202.126.89.0/24 55805 MOBICOM-AS-MN MobiCom C 65512 PRIVATE 202.126.90.0/24 55805 MOBICOM-AS-MN MobiCom C 65512 PRIVATE 202.126.91.0/24 55805 MOBICOM-AS-MN MobiCom C Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 164.160.192.0/21 Origin: 37661 NRaE1-AS, NG 164.160.192.0/21 Transit: 37288 WACREN, SN Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:1 /10:1 /11:1 /12:11 /13:18 /14:33 /15:118 /16:1989 /17:424 /18:457 /19:579 /20:870 /21:893 /22:1504 /23:1628 /24:11270 /25:0 /26:2 /27:2 /28:4 /29:2 /30:4 /31:1 /32:72 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 127 446 KENET-AS, KE 55824 124 132 NKN-CORE-NW NKN Core Network, IN 2018 123 381 TENET-1, ZA 2920 123 229 LACOE, US 2152 111 512 CENIC-2152, US 17882 89 144 UNIVISION-AS-AP UNIVISION LLC, MN Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 5:15 6:4 8:2 12:1 14:92 23:8 24:3 27:4 31:1 35:3 36:2 37:8 38:10 40:1 41:161 42:11 43:8 44:5 45:50 46:4 47:1 49:10 50:4 52:1 59:23 60:6 61:3 62:9 63:37 64:49 65:4 66:87 67:42 68:12 69:19 70:2 71:1 72:7 74:53 76:42 77:10 78:3 79:10 80:12 81:25 82:7 83:7 84:8 85:45 86:5 87:1 89:11 91:42 92:2 93:13 94:2 95:2 96:5 97:1 98:2 101:1 102:12 103:401 104:78 107:2 108:8 109:4 111:20 112:16 113:2 114:24 116:9 117:61 118:33 119:30 121:27 122:24 123:8 124:45 125:5 128:55 129:36 130:97 131:61 132:65 133:154 134:109 136:197 137:96 138:58 139:10 140:35 141:3 142:52 143:26 144:28 145:2 146:137 147:62 148:196 149:12 150:40 151:9 152:140 153:14 154:39 155:63 156:133 157:27 158:30 159:118 160:31 161:16 162:24 163:64 164:11 165:49 166:1 167:26 168:119 169:7 170:97 171:1 172:2 173:7 175:16 177:5 179:13 180:16 181:1 182:11 184:2 185:54 186:3 187:21 188:13 189:3 190:18 191:13 192:1427 193:274 194:138 195:75 196:147 197:315 198:545 199:277 200:326 201:37 202:796 203:451 204:404 205:174 206:215 207:310 208:67 209:156 210:217 211:3 212:164 213:6 214:8 216:90 217:9 218:22 219:5 220:17 222:2 223:15 End of report