Global R&E Routing Table Report 18:00 GMT Fri 19 Nov, 2021 BGP Table (R&E) as seen at MARWAN. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/MARWAN/ Analysis Summary ---------------- BGP routing table entries examined: 14195 Prefixes after maximum aggregation (per Origin AS): 8246 Deaggregation factor: 1.72 Unique aggregates announced (without unneeded subnets): 9093 Total ASes present in the Internet Routing Table: 2144 Prefixes per ASN: 6.62 Origin-only ASes present in the Internet Routing Table: 1846 Origin ASes announcing only one prefix: 878 Transit ASes present in the Internet Routing Table: 298 Transit-only ASes present in the Internet Routing Table: 32 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 15 Max AS path prepend of ASN ( 5474) 11 Prefixes from unregistered ASNs in the Routing Table: 13 Number of instances of unregistered ASNs: 13 Number of 32-bit ASNs allocated by the RIRs: 37869 Number of 32-bit ASNs visible in the Routing Table: 487 Prefixes from 32-bit ASNs in the Routing Table: 1390 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: 0 Number of addresses announced to Internet: 176047808 Equivalent to 10 /8s, 126 /16s and 70 /24s Percentage of available address space announced: 4.8 Percentage of allocated address space announced: 4.8 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: 1510 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 3916 Total APNIC prefixes after maximum aggregation: 2056 APNIC Deaggregation factor: 1.90 Prefixes being announced from the APNIC address blocks: 3918 Unique aggregates announced from the APNIC address blocks: 2269 APNIC Region origin ASes present in the Internet Routing Table: 460 APNIC Prefixes per ASN: 8.52 APNIC Region origin ASes announcing only one prefix: 193 APNIC Region transit ASes present in the Internet Routing Table: 48 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 175 Number of APNIC addresses announced to Internet: 44674880 Equivalent to 2 /8s, 169 /16s and 175 /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: 5299 Total ARIN prefixes after maximum aggregation: 3135 ARIN Deaggregation factor: 1.69 Prefixes being announced from the ARIN address blocks: 5319 Unique aggregates announced from the ARIN address blocks: 3529 ARIN Region origin ASes present in the Internet Routing Table: 849 ARIN Prefixes per ASN: 6.27 ARIN Region origin ASes announcing only one prefix: 309 ARIN Region transit ASes present in the Internet Routing Table: 111 Average ARIN Region AS path length visible: 6.0 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 110 Number of ARIN addresses announced to Internet: 70121984 Equivalent to 4 /8s, 45 /16s and 250 /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: 3100 Total RIPE prefixes after maximum aggregation: 2471 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3093 Unique aggregates announced from the RIPE address blocks: 2570 RIPE Region origin ASes present in the Internet Routing Table: 606 RIPE Prefixes per ASN: 5.10 RIPE Region origin ASes announcing only one prefix: 297 RIPE Region transit ASes present in the Internet Routing Table: 98 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 119 Number of RIPE addresses announced to Internet: 55664352 Equivalent to 3 /8s, 81 /16s and 94 /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: 1041 Total LACNIC prefixes after maximum aggregation: 419 LACNIC Deaggregation factor: 2.48 Prefixes being announced from the LACNIC address blocks: 1039 Unique aggregates announced from the LACNIC address blocks: 497 LACNIC Region origin ASes present in the Internet Routing Table: 144 LACNIC Prefixes per ASN: 7.22 LACNIC Region origin ASes announcing only one prefix: 57 LACNIC Region transit ASes present in the Internet Routing Table: 22 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 14 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 59 Number of LACNIC addresses announced to Internet: 2934944 Equivalent to 0 /8s, 44 /16s and 200 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 826 Total AfriNIC prefixes after maximum aggregation: 160 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 825 Unique aggregates announced from the AfriNIC address blocks: 228 AfriNIC Region origin ASes present in the Internet Routing Table: 49 AfriNIC Prefixes per ASN: 16.84 AfriNIC Region origin ASes announcing only one prefix: 22 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24 Number of AfriNIC addresses announced to Internet: 2651648 Equivalent to 0 /8s, 40 /16s and 118 /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 621 2156 457 SINET-AS Research Organization of Infor 7497 423 177 19 CSTNET-AS-AP Computer Network Informati 1237 188 74 135 KREONET-AS-KR KISTI, KR 7575 176 329 122 AARNET-AS-AP Australian Academic and Re 58647 176 18 2 KAGAWAU-AS Kagawa University, JP 4538 172 4192 72 ERX-CERNET-BKB China Education and Rese 55824 128 19 22 NKN-CORE-NW NKN Core Network, IN 2697 54 3 32 ERX-ERNET-AS Education and Research Net 1659 51 1434 33 ERX-TANET-ASN1 Taiwan Academic Network 9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 5786 194 16 1 UPRENET, PR 2152 157 507 85 CSUNET-NW, US 18558 136 18 4 NETBLK-RCOEK, US 270 119 329 88 AS270, US 2920 112 34 6 LACOE, US 21976 85 51 18 NJEDGE-NET, US 376 83 6 60 RISQ-AS, CA 1736 80 16 1 MU-AS, US 22742 68 53 34 CT-EDU-NET, US 3477 67 71 40 NOAA-NWAVE, US Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 277 1998 237 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 177 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 97 1520 84 SURFNET-NL SURFnet, The Netherlands, NL 137 82 677 77 ASGARR Consortium GARR, IT 2200 67 647 61 FR-RENATER Reseau National de telecommu 2614 59 33 57 ROEDUNET, RO 1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol 1653 51 165 48 SUNET SUNET Swedish University Network, Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 185 162 34 Associacao Rede Nacional de Ensino e Pe 11340 94 24 54 Red Universitaria Nacional, CL 1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 19611 45 17 2 Associacao Antonio Vieira - Unisinos, B 4270 43 16 1 Red de Interconexion Universitaria, AR 61468 41 3 15 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 20191 31 16 1 Pontificia Universidad Catolica de Chil 28571 28 19 18 UNIVERSIDADE DE SAO PAULO, BR 271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 341 319 71 TENET-1, ZA 327687 127 28 3 RENU, UG 36914 99 82 3 KENET-AS, KE 8094 50 48 4 PUKNET, ZA 327700 42 16 1 MoRENet, MZ 37215 33 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37182 11 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 621 2156 457 SINET-AS Research Organization of Infor 7497 423 177 19 CSTNET-AS-AP Computer Network Informati 2018 341 319 71 TENET-1, ZA 680 277 1998 237 DFN Verein zur Foerderung eines Deutsch 5786 194 16 1 UPRENET, PR 1237 188 74 135 KREONET-AS-KR KISTI, KR 786 186 1774 183 JANET Jisc Services Limited, GB 1916 185 162 34 Associacao Rede Nacional de Ensino e Pe 8895 177 24 4 ISU Internet Services Unit ISU, SA 7575 176 329 122 AARNET-AS-AP Australian Academic and Re Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 423 404 CSTNET-AS-AP Computer Network Information Cente 2018 341 270 TENET-1, ZA 5786 194 193 UPRENET, PR 58647 176 174 KAGAWAU-AS Kagawa University, JP 8895 177 173 ISU Internet Services Unit ISU, SA 1916 185 151 Associacao Rede Nacional de Ensino e Pesquisa, 18558 136 132 NETBLK-RCOEK, US 327687 127 124 RENU, UG 55824 128 106 NKN-CORE-NW NKN Core Network, IN 2920 112 106 LACOE, US Complete listing at https://bgp.nsrc.org/REN/MARWAN/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 29955 UNALLOCATED 192.104.1.0/24 2495 KANREN, US 29955 UNALLOCATED 198.252.8.0/21 2495 KANREN, US 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US 396334 UNALLOCATED 205.143.136.0/21 5078 ONENET-AS-1, US 396334 UNALLOCATED 205.143.136.0/24 5078 ONENET-AS-1, US 396334 UNALLOCATED 205.143.137.0/24 5078 ONENET-AS-1, US 396334 UNALLOCATED 205.143.138.0/24 5078 ONENET-AS-1, US 396334 UNALLOCATED 205.143.139.0/24 5078 ONENET-AS-1, US 396334 UNALLOCATED 205.143.140.0/24 5078 ONENET-AS-1, US Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 0.0.0.0/0 36884 MAROCCONNECT, MA Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-dsua 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 /10:2 /11:1 /12:10 /13:19 /14:35 /15:107 /16:1667 /17:285 /18:299 /19:426 /20:652 /21:723 /22:1114 /23:1203 /24:7462 /25:73 /26:61 /27:54 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8895 172 177 ISU Internet Services Unit ISU, SA 36914 85 99 KENET-AS, KE 23024 53 56 OCDE, US 327700 36 42 MoRENet, MZ 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 29 32 HCCS, US 200521 29 48 SEAP-AGE, ES 1916 27 185 Associacao Rede Nacional de Ensino e Pesquisa, 37215 27 33 MAREN, MW 30220 25 25 SWTELCOOP, US Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 5:15 8:2 12:1 14:84 23:2 24:3 31:1 37:6 38:3 41:147 42:9 44:4 45:34 46:6 49:10 58:4 59:11 60:4 61:3 62:6 63:4 64:11 66:23 67:34 68:1 69:17 72:10 74:16 76:2 77:6 78:3 79:10 80:10 81:26 82:3 83:7 84:3 85:22 86:6 87:1 88:1 89:10 91:45 93:18 94:2 95:4 96:5 101:5 102:15 103:228 104:6 106:1 108:4 109:9 110:3 111:16 112:4 114:20 116:5 117:2 118:17 119:21 121:27 122:8 123:8 124:39 125:1 128:66 129:32 130:84 131:79 132:49 133:138 134:89 136:185 137:105 138:8 139:4 140:34 141:2 142:23 143:28 144:27 145:1 146:122 147:24 148:7 149:13 150:19 151:2 152:25 153:6 154:24 155:45 156:67 157:25 158:39 159:116 160:25 161:15 162:13 163:60 164:37 165:53 166:1 167:11 168:100 169:8 170:41 172:2 173:2 175:30 176:8 177:6 178:1 179:10 180:21 182:6 184:3 185:32 186:3 187:17 188:13 189:3 190:43 191:6 192:1153 193:181 194:101 195:59 196:170 197:5 198:326 199:179 200:218 201:38 202:368 203:279 204:273 205:111 206:130 207:128 208:43 209:94 210:177 211:3 212:171 213:2 216:50 217:13 218:5 219:13 220:12 222:4 223:2 End of report