IPv4 R&E Routing Table Report 18:50 GMT Wed 02 Feb, 2022 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: 17011 Prefixes after maximum aggregation (per Origin AS): 9372 Deaggregation factor: 1.82 Unique aggregates announced (without unneeded subnets): 10344 Number of IPv4 prefixes with a valid ROA: 3489 Number of IPv4 prefixes with an invalid ROA: 2 Number of IPv4 prefixes with no ROA: 13520 Total ASes present in the Internet Routing Table: 2536 Prefixes per ASN: 6.71 Origin-only ASes present in the Internet Routing Table: 2186 Origin ASes announcing only one prefix: 1031 Transit ASes present in the Internet Routing Table: 350 Transit-only ASes present in the Internet Routing Table: 55 Average AS path length visible in the Internet Routing Table: 5.2 Max AS path length visible: 15 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 3 Number of instances of unregistered ASNs: 3 Number of 32-bit ASNs allocated by the RIRs: 38457 Number of 32-bit ASNs visible in the Routing Table: 574 Prefixes from 32-bit ASNs in the Routing Table: 1515 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: 195926528 Equivalent to 11 /8s, 173 /16s and 154 /24s Percentage of available address space announced: 5.3 Percentage of allocated address space announced: 5.3 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: 2039 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4702 Total APNIC prefixes after maximum aggregation: 2323 APNIC Deaggregation factor: 2.02 Prefixes being announced from the APNIC address blocks: 4703 Unique aggregates announced from the APNIC address blocks: 2643 APNIC Region origin ASes present in the Internet Routing Table: 586 APNIC Prefixes per ASN: 8.03 APNIC Region origin ASes announcing only one prefix: 256 APNIC Region transit ASes present in the Internet Routing Table: 64 Average APNIC Region AS path length visible: 5.7 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 229 Number of APNIC addresses announced to Internet: 46040576 Equivalent to 2 /8s, 190 /16s and 134 /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: 6630 Total ARIN prefixes after maximum aggregation: 3571 ARIN Deaggregation factor: 1.86 Prefixes being announced from the ARIN address blocks: 6640 Unique aggregates announced from the ARIN address blocks: 3911 ARIN Region origin ASes present in the Internet Routing Table: 1032 ARIN Prefixes per ASN: 6.43 ARIN Region origin ASes announcing only one prefix: 374 ARIN Region transit ASes present in the Internet Routing Table: 140 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 135 Number of ARIN addresses announced to Internet: 85975552 Equivalent to 5 /8s, 31 /16s and 226 /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: 3381 Total RIPE prefixes after maximum aggregation: 2754 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3368 Unique aggregates announced from the RIPE address blocks: 2771 RIPE Region origin ASes present in the Internet Routing Table: 674 RIPE Prefixes per ASN: 5.00 RIPE Region origin ASes announcing only one prefix: 322 RIPE Region transit ASes present in the Internet Routing Table: 101 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 134 Number of RIPE addresses announced to Internet: 58001664 Equivalent to 3 /8s, 117 /16s and 9 /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: 1498 Total LACNIC prefixes after maximum aggregation: 607 LACNIC Deaggregation factor: 2.47 Prefixes being announced from the LACNIC address blocks: 1501 Unique aggregates announced from the LACNIC address blocks: 838 LACNIC Region origin ASes present in the Internet Routing Table: 179 LACNIC Prefixes per ASN: 8.39 LACNIC Region origin ASes announcing only one prefix: 77 LACNIC Region transit ASes present in the Internet Routing Table: 27 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 74 Number of LACNIC addresses announced to Internet: 4179712 Equivalent to 0 /8s, 63 /16s and 199 /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: 797 Total AfriNIC prefixes after maximum aggregation: 114 AfriNIC Deaggregation factor: 6.99 Prefixes being announced from the AfriNIC address blocks: 797 Unique aggregates announced from the AfriNIC address blocks: 179 AfriNIC Region origin ASes present in the Internet Routing Table: 7 AfriNIC Prefixes per ASN: 113.86 AfriNIC Region origin ASes announcing only one prefix: 2 AfriNIC Region transit ASes present in the Internet Routing Table: 3 Average AfriNIC Region AS path length visible: 1.9 Max AfriNIC Region AS path length visible: 5 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 2 Number of AfriNIC addresses announced to Internet: 1728512 Equivalent to 0 /8s, 26 /16s and 96 /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 571 2157 457 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 4538 177 4192 72 ERX-CERNET-BKB China Education and Rese 7575 175 330 122 AARNET-AS-AP Australian Academic and Re 58647 165 18 2 KAGAWAU-AS Kagawa University, JP 55824 129 19 22 NKN-CORE-NW NKN Core Network, IN 4621 80 37 10 UNINET-AS-AP UNINET-, TH 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 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 7896 251 51 7 NU-AS, US 5786 200 16 1 UPRENET, PR 2152 144 507 86 CSUNET-NW, US 18558 136 18 4 NETBLK-RCOEK, US 270 119 329 88 AS270, US 2920 108 34 6 LACOE, US 21976 85 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US 3 77 496 15 MIT-GATEWAYS, US 3477 74 71 43 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 680 274 1948 241 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 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL 137 82 677 77 ASGARR Consortium GARR, IT 553 72 449 72 BELWUE BelWue-Koordination, DE 2200 67 647 61 FR-RENATER Reseau National de telecommu 2614 58 32 55 ROEDUNET, RO 1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol 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 176 207 41 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 94 24 54 Red Universitaria Nacional, CL 1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 52286 54 4 31 Columbus Networks Guatemala, GT 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 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 435 81 34 KENET-AS, KE 2018 350 319 74 TENET-1, ZA 30983 4 4 1 MARWAN-AS, MA 327945 3 0 2 ILRI, KE 328225 3 0 1 Strathmore-University, KE 3208 1 2 1 ARN, DZ 37717 1 16 1 EL-Khawarizmi, TN 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 2907 571 2157 457 SINET-AS Research Organization of Infor 36914 435 81 34 KENET-AS, KE 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 350 319 74 TENET-1, ZA 680 274 1948 241 DFN Verein zur Foerderung eines Deutsch 7896 251 51 7 NU-AS, US 5786 200 16 1 UPRENET, PR 786 186 1774 183 JANET Jisc Services Limited, GB 1237 186 74 135 KREONET-AS-KR KISTI, KR 4538 177 4192 72 ERX-CERNET-BKB China Education and Rese Complete listing at https://bgp.nsrc.org/REN/KENET/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 36914 435 401 KENET-AS, KE 2018 350 276 TENET-1, ZA 7896 251 244 NU-AS, US 5786 200 199 UPRENET, PR 58647 165 163 KAGAWAU-AS Kagawa University, JP 8895 143 139 ISU Internet Services Unit ISU, SA 1916 176 135 Rede Nacional de Ensino e Pesquisa, BR 18558 136 132 NETBLK-RCOEK, US 55824 129 107 NKN-CORE-NW NKN Core Network, IN 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 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 Complete listing at https://bgp.nsrc.org/REN/KENET/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/KENET/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/KENET/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 /13:18 /14:35 /15:122 /16:1892 /17:369 /18:396 /19:524 /20:796 /21:834 /22:1298 /23:1444 /24:9269 /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 415 435 KENET-AS, KE 8895 138 143 ISU Internet Services Unit ISU, SA 23024 53 56 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 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 32440 29 44 LONI, US 40326 29 33 ECKERD-COLLEGE, US 200521 29 49 SEAP-AGE, ES Complete listing at https://bgp.nsrc.org/REN/KENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4 5:15 8:1 12:1 14:85 18:42 23:8 24:2 31:6 37:6 38:7 40:1 41:182 42:14 44:5 45:38 46:6 47:1 49:10 50:1 52:1 58:7 59:20 60:4 61:3 62:7 63:34 64:46 66:32 67:43 68:8 69:20 71:1 72:10 74:20 76:33 77:7 78:3 79:10 80:16 81:28 82:5 83:6 84:5 85:33 86:4 87:1 88:1 89:10 91:46 92:1 93:19 94:4 95:4 97:1 98:2 101:8 103:315 104:13 106:1 108:8 109:10 110:3 111:19 112:4 114:23 116:5 117:61 118:32 119:22 121:27 122:8 123:8 124:39 125:4 128:79 129:174 130:91 131:49 132:53 133:139 134:90 136:192 137:65 138:8 139:3 140:35 141:2 143:27 144:52 145:1 146:128 147:56 148:191 149:13 150:39 151:6 152:71 153:11 154:19 155:51 156:68 157:26 158:42 159:115 160:25 161:20 162:19 163:59 164:43 165:55 166:2 167:12 168:161 169:10 170:53 171:1 172:2 173:2 175:31 176:8 177:13 178:1 179:11 180:21 181:16 182:5 184:14 185:40 186:3 187:17 188:13 189:5 190:49 191:33 192:1299 193:202 194:139 195:42 196:125 197:223 198:329 199:150 200:236 201:39 202:639 203:424 204:283 205:95 206:100 207:104 208:57 209:92 210:182 211:13 212:171 213:4 216:65 217:15 218:25 219:12 220:16 222:5 223:3 End of report