IPv4 R&E Routing Table Report 19:05 GMT Fri 25 Feb, 2022 BGP Table (R&E) as seen at BDREN. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/BDREN/ Analysis Summary ---------------- BGP routing table entries examined: 18719 Prefixes after maximum aggregation (per Origin AS): 10540 Deaggregation factor: 1.78 Unique aggregates announced (without unneeded subnets): 11756 Number of IPv4 prefixes with a valid ROA: 7742 Number of IPv4 prefixes with an invalid ROA: 46 Number of IPv4 prefixes with no ROA: 29650 Total ASes present in the Internet Routing Table: 2787 Prefixes per ASN: 6.72 Origin-only ASes present in the Internet Routing Table: 2405 Origin ASes announcing only one prefix: 1118 Transit ASes present in the Internet Routing Table: 382 Transit-only ASes present in the Internet Routing Table: 57 Average AS path length visible in the Internet Routing Table: 6.6 Max AS path length visible: 17 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 6 Number of instances of unregistered ASNs: 6 Number of 32-bit ASNs allocated by the RIRs: 38651 Number of 32-bit ASNs visible in the Routing Table: 635 Prefixes from 32-bit ASNs in the Routing Table: 1703 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 2 Number of addresses announced to Internet: 205537792 Equivalent to 12 /8s, 64 /16s and 66 /24s Percentage of available address space announced: 5.6 Percentage of allocated address space announced: 5.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 1941 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4878 Total APNIC prefixes after maximum aggregation: 2363 APNIC Deaggregation factor: 2.06 Prefixes being announced from the APNIC address blocks: 4882 Unique aggregates announced from the APNIC address blocks: 2668 APNIC Region origin ASes present in the Internet Routing Table: 602 APNIC Prefixes per ASN: 8.11 APNIC Region origin ASes announcing only one prefix: 260 APNIC Region transit ASes present in the Internet Routing Table: 67 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 241 Number of APNIC addresses announced to Internet: 46119168 Equivalent to 2 /8s, 191 /16s and 185 /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, 131072-151865 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: 8139 Total ARIN prefixes after maximum aggregation: 4651 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 8155 Unique aggregates announced from the ARIN address blocks: 5290 ARIN Region origin ASes present in the Internet Routing Table: 1229 ARIN Prefixes per ASN: 6.64 ARIN Region origin ASes announcing only one prefix: 448 ARIN Region transit ASes present in the Internet Routing Table: 162 Average ARIN Region AS path length visible: 7.4 Max ARIN Region AS path length visible: 17 Number of ARIN region 32-bit ASNs visible in the Routing Table: 168 Number of ARIN addresses announced to Internet: 94546176 Equivalent to 5 /8s, 162 /16s and 169 /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, 393216-401308 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: 3391 Total RIPE prefixes after maximum aggregation: 2769 RIPE Deaggregation factor: 1.22 Prefixes being announced from the RIPE address blocks: 3377 Unique aggregates announced from the RIPE address blocks: 2741 RIPE Region origin ASes present in the Internet Routing Table: 679 RIPE Prefixes per ASN: 4.97 RIPE Region origin ASes announcing only one prefix: 320 RIPE Region transit ASes present in the Internet Routing Table: 101 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 16 Number of RIPE region 32-bit ASNs visible in the Routing Table: 136 Number of RIPE addresses announced to Internet: 57994752 Equivalent to 3 /8s, 116 /16s and 238 /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 196608-213403 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: 1413 Total LACNIC prefixes after maximum aggregation: 563 LACNIC Deaggregation factor: 2.51 Prefixes being announced from the LACNIC address blocks: 1411 Unique aggregates announced from the LACNIC address blocks: 762 LACNIC Region origin ASes present in the Internet Routing Table: 165 LACNIC Prefixes per ASN: 8.55 LACNIC Region origin ASes announcing only one prefix: 67 LACNIC Region transit ASes present in the Internet Routing Table: 22 Average LACNIC Region AS path length visible: 8.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64 Number of LACNIC addresses announced to Internet: 4145920 Equivalent to 0 /8s, 63 /16s and 67 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 892 Total AfriNIC prefixes after maximum aggregation: 188 AfriNIC Deaggregation factor: 4.74 Prefixes being announced from the AfriNIC address blocks: 892 Unique aggregates announced from the AfriNIC address blocks: 293 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 17.84 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 6.3 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2731264 Equivalent to 0 /8s, 41 /16s and 173 /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 2907 572 2157 458 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 1237 186 74 135 KREONET-AS-KR KISTI, KR 7575 175 330 122 AARNET-AS-AP Australian Academic and Re 58647 167 18 2 KAGAWAU-AS Kagawa University, JP 4758 161 16 1 NICNET-VSNL-BOARDER-AP National Informa 55824 136 19 28 NKN-CORE-NW NKN Core Network, IN 4538 128 4192 72 ERX-CERNET-BKB China Education and Rese 4621 79 37 10 UNINET-AS-AP UNINET-, TH 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7896 251 51 7 NU-AS, US 668 212 702 180 DNIC-AS-00668, US 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 2152 151 507 91 CSUNET-NW, US 18558 136 18 4 NETBLK-RCOEK, US 23024 114 7 17 OCDE, US 2920 108 34 6 LACOE, US 21976 85 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 279 1950 245 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 143 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL 137 82 677 77 ASGARR Consortium GARR, IT 553 73 449 73 BELWUE BelWue-Koordination, DE 2200 66 647 61 FR-RENATER Reseau National de telecommu 2614 63 30 60 ROEDUNET, RO 1930 56 81 51 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 174 208 45 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 95 24 54 Red Universitaria Nacional, CL 1251 60 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 19611 45 17 2 Associacao Antonio Vieira - Unisinos, B 4270 44 16 1 Red de Interconexion Universitaria, AR 61468 41 3 15 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 351 319 74 TENET-1, ZA 36914 202 82 3 KENET-AS, KE 2561 73 5 32 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 39 28 3 RENU, UG 327700 33 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37074 13 8 2 UG-AS, GH 37182 12 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 572 2157 458 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 351 319 74 TENET-1, ZA 680 279 1950 245 DFN Verein zur Foerderung eines Deutsch 7896 251 51 7 NU-AS, US 668 212 702 180 DNIC-AS-00668, US 376 203 178 152 RISQ-AS, CA 36914 202 82 3 KENET-AS, KE 5786 200 16 1 UPRENET, PR 786 186 1774 183 JANET Jisc Services Limited, GB Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 432 408 CSTNET-AS-AP Computer Network Information Cente 2018 351 277 TENET-1, ZA 7896 251 244 NU-AS, US 36914 202 199 KENET-AS, KE 5786 200 199 UPRENET, PR 58647 167 165 KAGAWAU-AS Kagawa University, JP 4758 161 160 NICNET-VSNL-BOARDER-AP National Informatics Cen 8895 143 139 ISU Internet Services Unit ISU, SA 18558 136 132 NETBLK-RCOEK, US 1916 174 129 Rede Nacional de Ensino e Pesquisa, BR Complete listing at https://bgp.nsrc.org/REN/BDREN/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65200 PRIVATE 43.224.124.0/22 132124 ICTA-LK Information and Comm 65200 PRIVATE 103.11.32.0/22 132124 ICTA-LK Information and Comm 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US 395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US Complete listing at https://bgp.nsrc.org/REN/BDREN/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/REN/BDREN/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 192.31.196.0/24 Origin: 112 UNASSIGNED 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Transit: 20965 GEANT The GEANT IP Service, NL Complete listing at https://bgp.nsrc.org/REN/BDREN/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 /8:0 /9:1 /10:2 /11:1 /12:10 /13:17 /14:34 /15:123 /16:2013 /17:391 /18:438 /19:575 /20:893 /21:914 /22:1431 /23:1564 /24:10312 /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 189 202 KENET-AS, KE 8895 138 143 ISU Internet Services Unit ISU, SA 23024 53 114 OCDE, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 18632 29 55 VOLCANO-VISION, US 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 32440 29 44 LONI, US 40326 29 33 ECKERD-COLLEGE, US Complete listing at https://bgp.nsrc.org/REN/BDREN/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4 5:15 6:4 8:2 12:1 14:85 18:42 23:10 24:3 31:6 38:9 40:1 41:113 42:9 44:5 45:32 46:6 47:1 49:10 50:4 52:1 59:20 60:4 61:3 62:7 63:38 64:57 65:4 66:50 67:44 68:8 69:20 70:2 71:1 72:10 74:20 76:34 77:7 78:3 79:10 80:15 81:28 82:4 83:6 84:4 85:32 86:4 87:1 88:1 89:10 91:44 92:1 93:17 94:4 95:5 96:5 97:1 98:2 101:6 102:13 103:337 104:76 106:1 107:17 108:8 109:10 110:3 111:20 112:4 114:23 116:5 117:61 118:32 119:22 121:26 122:8 123:8 124:39 125:4 128:81 129:178 130:91 131:90 132:58 133:141 134:100 136:193 137:87 138:8 139:5 140:50 141:2 142:41 143:31 144:52 145:3 146:127 147:59 148:192 149:13 150:40 151:6 152:71 153:8 154:23 155:51 156:67 157:26 158:42 159:116 160:25 161:22 162:21 163:65 164:171 165:55 166:1 167:16 168:120 169:10 170:68 171:1 172:2 173:7 175:31 176:8 177:12 178:1 179:11 180:21 182:6 184:3 185:38 186:3 187:19 188:13 189:5 190:33 191:33 192:1344 193:265 194:140 195:85 196:151 197:114 198:495 199:285 200:250 201:39 202:648 203:425 204:332 205:169 206:199 207:174 208:70 209:122 210:185 211:13 212:153 213:4 214:7 216:86 217:15 218:25 219:6 220:18 222:5 223:3 End of report