IPv4 R&E Routing Table Report 18:45 GMT Wed 12 Jun, 2024 IPv4 BGP Table (R&E) as seen at TENET. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/TENET/ Analysis Summary ---------------- BGP routing table entries examined: 15427 Prefixes after maximum aggregation (per Origin AS): 8293 Deaggregation factor: 1.86 Unique aggregates announced (without unneeded subnets): 9367 Number of IPv4 prefixes with a valid ROA: 4286 Number of IPv4 prefixes with an invalid ROA: 6 Number of IPv4 prefixes with no ROA: 11135 Total ASes present in the Internet Routing Table: 2209 Prefixes per ASN: 6.98 Origin-only ASes present in the Internet Routing Table: 1927 Origin ASes announcing only one prefix: 801 Transit ASes present in the Internet Routing Table: 282 Transit-only ASes present in the Internet Routing Table: 54 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 15 Max AS path prepend of ASN (395156) 12 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: 44714 Number of 32-bit ASNs visible in the Routing Table: 506 Prefixes from 32-bit ASNs in the Routing Table: 1419 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: 157177088 Equivalent to 9 /8s, 94 /16s and 85 /24s Percentage of available address space announced: 4.2 Percentage of allocated address space announced: 4.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 1309 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4540 Total APNIC prefixes after maximum aggregation: 2255 APNIC Deaggregation factor: 2.01 Prefixes being announced from the APNIC address blocks: 4540 Unique aggregates announced from the APNIC address blocks: 2541 APNIC Region origin ASes present in the Internet Routing Table: 545 APNIC Prefixes per ASN: 8.33 APNIC Region origin ASes announcing only one prefix: 233 APNIC Region transit ASes present in the Internet Routing Table: 58 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 210 Number of APNIC addresses announced to Internet: 45527552 Equivalent to 2 /8s, 182 /16s and 178 /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 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: 8149 Total ARIN prefixes after maximum aggregation: 4745 ARIN Deaggregation factor: 1.72 Prefixes being announced from the ARIN address blocks: 8158 Unique aggregates announced from the ARIN address blocks: 5264 ARIN Region origin ASes present in the Internet Routing Table: 1246 ARIN Prefixes per ASN: 6.55 ARIN Region origin ASes announcing only one prefix: 430 ARIN Region transit ASes present in the Internet Routing Table: 155 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 200 Number of ARIN addresses announced to Internet: 92733440 Equivalent to 5 /8s, 135 /16s and 0 /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 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: 890 Total RIPE prefixes after maximum aggregation: 622 RIPE Deaggregation factor: 1.43 Prefixes being announced from the RIPE address blocks: 885 Unique aggregates announced from the RIPE address blocks: 665 RIPE Region origin ASes present in the Internet Routing Table: 190 RIPE Prefixes per ASN: 4.66 RIPE Region origin ASes announcing only one prefix: 81 RIPE Region transit ASes present in the Internet Routing Table: 28 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 14 Number of RIPE region 32-bit ASNs visible in the Routing Table: 30 Number of RIPE addresses announced to Internet: 12928768 Equivalent to 0 /8s, 197 /16s and 71 /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 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: 1268 Total LACNIC prefixes after maximum aggregation: 538 LACNIC Deaggregation factor: 2.36 Prefixes being announced from the LACNIC address blocks: 1266 Unique aggregates announced from the LACNIC address blocks: 723 LACNIC Region origin ASes present in the Internet Routing Table: 156 LACNIC Prefixes per ASN: 8.12 LACNIC Region origin ASes announcing only one prefix: 53 LACNIC Region transit ASes present in the Internet Routing Table: 24 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63 Number of LACNIC addresses announced to Internet: 4017664 Equivalent to 0 /8s, 61 /16s and 78 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 577 Total AfriNIC prefixes after maximum aggregation: 130 AfriNIC Deaggregation factor: 4.44 Prefixes being announced from the AfriNIC address blocks: 577 Unique aggregates announced from the AfriNIC address blocks: 173 AfriNIC Region origin ASes present in the Internet Routing Table: 16 AfriNIC Prefixes per ASN: 36.06 AfriNIC Region origin ASes announcing only one prefix: 4 AfriNIC Region transit ASes present in the Internet Routing Table: 4 Average AfriNIC Region AS path length visible: 1.8 Max AfriNIC Region AS path length visible: 5 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 3 Number of AfriNIC addresses announced to Internet: 1969408 Equivalent to 0 /8s, 30 /16s and 13 /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 591 2162 464 SINET-AS Research Organization of Infor 7497 440 180 24 UNASSIGNED 1237 191 74 142 UNASSIGNED 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 UNASSIGNED 55824 131 19 19 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Rese 9411 82 16 2 UNASSIGNED 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 70 37 10 UNASSIGNED Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 668 204 648 173 UNASSIGNED 376 203 162 152 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 2920 175 34 7 LACOE, US 2152 149 507 94 CSUNET-NW, US 18558 140 18 4 NETBLK-RCOEK, US 81 133 517 33 NCREN, US 270 117 328 81 AS270, US 23024 106 7 22 OCDE, US 237 85 543 51 UNASSIGNED Complete listing at https://bgp.nsrc.org/REN/TENET/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 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 3267 76 26 66 RUNNET, RU 1653 53 151 50 SUNET SUNET Swedish University Network, 1741 39 149 18 FUNETAS, FI 3218 21 4 18 UNASSIGNED 8674 16 2 11 NETNOD-IX Netnod AB, SE 1880 14 1 7 STUPI, SE 224 13 256 13 UNINETT UNINETT, The Norwegian Universi 1101 13 481 13 IP-EEND-AS IP-EEND BV, NL Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 1916 139 176 42 Rede Nacional de Ensino e Pesquisa, BR 11340 109 25 52 Red Universitaria Nacional, CL 4270 50 17 3 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo 61468 43 3 14 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 3596 37 8 4 Universidad Autonoma Metropolitana, MX 1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 378 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 327700 42 16 1 MoRENet, MZ 37215 36 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37182 12 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 31960 5 1 1 EMUNET, MZ 37654 5 0 5 RwEdNet-AS, RW Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 591 2162 464 SINET-AS Research Organization of Infor 7497 440 180 24 UNASSIGNED 2018 378 319 71 TENET-1, ZA 668 204 648 173 UNASSIGNED 376 203 162 152 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 1237 191 74 142 UNASSIGNED 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 2920 175 34 7 LACOE, US 7575 172 329 115 UNASSIGNED Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 440 416 UNASSIGNED 2018 378 307 TENET-1, ZA 5786 199 198 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 2920 175 168 LACOE, US 18558 140 136 NETBLK-RCOEK, US 8895 133 128 ISU Internet Services Unit ISU, SA 55824 131 112 NKN-CORE-NW NKN Core Network, IN 81 133 100 NCREN, US 1916 139 97 Rede Nacional de Ensino e Pesquisa, BR Complete listing at https://bgp.nsrc.org/REN/TENET/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 UNASSIGNED 18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US 18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS 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 Complete listing at https://bgp.nsrc.org/REN/TENET/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 /10:1 /11:1 /12:9 /13:17 /14:29 /15:87 /16:1475 /17:366 /18:399 /19:484 /20:752 /21:685 /22:1186 /23:1254 /24:8681 /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 8895 128 133 ISU Internet Services Unit ISU, SA 23024 49 106 OCDE, US 32440 38 64 LONI, US 327700 37 42 MoRENet, MZ 3267 35 76 RUNNET, RU 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 25977 30 44 HCCS, US 37215 30 36 MAREN, MW 27609 29 45 USC-UNIVERSITY-HOSPITAL, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 4:2 6:4 8:2 12:1 14:91 23:5 24:3 35:7 38:10 40:1 41:78 42:10 44:4 45:37 47:1 49:9 50:3 52:1 59:19 60:6 61:3 62:3 63:32 64:44 65:1 66:46 67:42 68:10 69:19 70:2 71:1 72:7 74:48 76:41 77:7 80:5 81:1 82:4 83:1 84:2 85:17 86:5 87:1 89:2 91:16 92:2 93:1 97:1 98:2 101:1 103:266 104:76 108:10 109:7 114:24 116:8 117:61 118:34 119:21 121:11 122:8 123:8 124:41 125:5 128:81 129:33 130:83 131:56 132:66 133:157 134:106 136:198 137:46 138:57 139:5 140:38 141:3 142:26 143:23 144:23 146:109 147:60 148:187 149:11 150:41 151:9 152:136 153:3 154:28 155:64 156:131 157:21 158:35 159:118 160:30 161:16 162:24 163:64 164:14 165:48 166:1 167:13 168:121 169:6 170:91 171:1 172:3 173:6 175:18 176:8 177:4 179:14 180:15 181:1 182:1 184:6 185:12 186:3 187:18 188:4 189:3 190:18 191:13 192:1084 193:32 194:57 195:29 196:153 198:468 199:278 200:188 201:37 202:607 203:406 204:366 205:135 206:194 207:204 208:68 209:113 210:194 211:14 212:120 213:2 214:8 216:91 218:22 219:5 220:17 222:2 223:14 End of report