IPv4 R&E Routing Table Report 18:45 GMT Sat 16 Mar, 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: 15692 Prefixes after maximum aggregation (per Origin AS): 8219 Deaggregation factor: 1.91 Unique aggregates announced (without unneeded subnets): 9467 Number of IPv4 prefixes with a valid ROA: 4373 Number of IPv4 prefixes with an invalid ROA: 6 Number of IPv4 prefixes with no ROA: 11313 Total ASes present in the Internet Routing Table: 2230 Prefixes per ASN: 7.04 Origin-only ASes present in the Internet Routing Table: 1941 Origin ASes announcing only one prefix: 823 Transit ASes present in the Internet Routing Table: 289 Transit-only ASes present in the Internet Routing Table: 57 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 16 Max AS path prepend of ASN ( 47805) 11 Prefixes from unregistered ASNs in the Routing Table: 10 Number of instances of unregistered ASNs: 10 Number of 32-bit ASNs allocated by the RIRs: 43843 Number of 32-bit ASNs visible in the Routing Table: 517 Prefixes from 32-bit ASNs in the Routing Table: 1694 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: 157868800 Equivalent to 9 /8s, 104 /16s and 227 /24s Percentage of available address space announced: 4.3 Percentage of allocated address space announced: 4.3 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: 1510 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4477 Total APNIC prefixes after maximum aggregation: 2174 APNIC Deaggregation factor: 2.06 Prefixes being announced from the APNIC address blocks: 4476 Unique aggregates announced from the APNIC address blocks: 2632 APNIC Region origin ASes present in the Internet Routing Table: 543 APNIC Prefixes per ASN: 8.24 APNIC Region origin ASes announcing only one prefix: 239 APNIC Region transit ASes present in the Internet Routing Table: 53 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 214 Number of APNIC addresses announced to Internet: 45571840 Equivalent to 2 /8s, 183 /16s and 95 /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: 7959 Total ARIN prefixes after maximum aggregation: 4674 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 7976 Unique aggregates announced from the ARIN address blocks: 5207 ARIN Region origin ASes present in the Internet Routing Table: 1237 ARIN Prefixes per ASN: 6.45 ARIN Region origin ASes announcing only one prefix: 428 ARIN Region transit ASes present in the Internet Routing Table: 161 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 195 Number of ARIN addresses announced to Internet: 92686336 Equivalent to 5 /8s, 134 /16s and 72 /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: 927 Total RIPE prefixes after maximum aggregation: 648 RIPE Deaggregation factor: 1.43 Prefixes being announced from the RIPE address blocks: 922 Unique aggregates announced from the RIPE address blocks: 667 RIPE Region origin ASes present in the Internet Routing Table: 201 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 89 RIPE Region transit ASes present in the Internet Routing Table: 29 Average RIPE Region AS path length visible: 4.3 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: 12942336 Equivalent to 0 /8s, 197 /16s and 124 /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: 1383 Total LACNIC prefixes after maximum aggregation: 569 LACNIC Deaggregation factor: 2.43 Prefixes being announced from the LACNIC address blocks: 1381 Unique aggregates announced from the LACNIC address blocks: 767 LACNIC Region origin ASes present in the Internet Routing Table: 164 LACNIC Prefixes per ASN: 8.42 LACNIC Region origin ASes announcing only one prefix: 58 LACNIC Region transit ASes present in the Internet Routing Table: 25 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: 68 Number of LACNIC addresses announced to Internet: 4225280 Equivalent to 0 /8s, 64 /16s and 121 /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: 936 Total AfriNIC prefixes after maximum aggregation: 146 AfriNIC Deaggregation factor: 6.41 Prefixes being announced from the AfriNIC address blocks: 936 Unique aggregates announced from the AfriNIC address blocks: 193 AfriNIC Region origin ASes present in the Internet Routing Table: 26 AfriNIC Prefixes per ASN: 36.00 AfriNIC Region origin ASes announcing only one prefix: 9 AfriNIC Region transit ASes present in the Internet Routing Table: 6 Average AfriNIC Region AS path length visible: 2.7 Max AfriNIC Region AS path length visible: 6 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 10 Number of AfriNIC addresses announced to Internet: 2442752 Equivalent to 0 /8s, 37 /16s and 70 /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 590 2162 464 SINET-AS Research Organization of Infor 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 1237 192 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 173 329 116 AARNET-AS-AP Australian Academic and Re 55824 130 19 19 NKN-CORE-NW NKN Core Network, IN 4538 125 4176 73 ERX-CERNET-BKB China Education and Rese 4762 71 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 70 37 10 UNINET-AS-AP UNINET-, TH 9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T 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 668 203 648 172 DNIC-AS-00668, US 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 2152 145 507 94 CSUNET-NW, US 18558 141 18 4 NETBLK-RCOEK, US 81 126 521 30 NCREN, US 270 117 328 81 AS270, US 23024 108 7 22 OCDE, US 2920 102 34 7 LACOE, US 1736 79 16 1 MU-AS, US 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 134 24 5 ISU Internet Services Unit ISU, SA 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 3267 77 44 68 RUNNET, RU 1653 53 151 50 SUNET SUNET Swedish University Network, 1741 39 149 18 FUNETAS, FI 3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU 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 12 465 12 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 154 10 67 Universidad Juarez Autonoma de Tabasco, 1916 147 176 42 Rede Nacional de Ensino e Pesquisa, BR 11340 108 25 51 Red Universitaria Nacional, CL 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 49 16 2 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo 61468 43 3 14 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 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 379 319 71 TENET-1, ZA 36914 207 82 3 KENET-AS, KE 327687 163 28 3 RENU, UG 8094 47 48 18 PUKNET, ZA 327700 41 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37501 11 49 6 UOFS, ZA 37654 11 1 6 RwEdNet-AS, RW 37215 9 8 1 MAREN, MW 36982 8 33 8 UCT, ZA 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 590 2162 464 SINET-AS Research Organization of Infor 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 2018 379 319 71 TENET-1, ZA 36914 207 82 3 KENET-AS, KE 668 203 648 172 DNIC-AS-00668, US 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 1237 192 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 173 329 116 AARNET-AS-AP Australian Academic and Re 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 441 418 CSTNET-AS-AP Computer Network Information Cente 2018 379 308 TENET-1, ZA 36914 207 204 KENET-AS, KE 5786 197 196 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 327687 163 160 RENU, UG 18558 141 137 NETBLK-RCOEK, US 8895 134 129 ISU Internet Services Unit ISU, SA 55824 130 111 NKN-CORE-NW NKN Core Network, IN 1916 147 105 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 11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US 11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, US 11570 UNALLOCATED 204.134.85.0/24 40498 ABQG, US 394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, 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 RESERVED, ZZ 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 /14:30 /15:86 /16:1440 /17:365 /18:396 /19:472 /20:714 /21:676 /22:1208 /23:1272 /24:9004 /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 194 207 KENET-AS, KE 8895 129 134 ISU Internet Services Unit ISU, SA 23024 52 108 OCDE, US 32440 38 62 LONI, US 3267 35 77 RUNNET, RU 327700 35 41 MoRENet, MZ 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 25977 30 44 HCCS, US 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 14:90 23:6 24:3 35:6 38:8 40:1 41:119 42:10 44:5 45:38 47:1 49:9 50:1 52:1 59:18 60:6 61:3 62:4 63:32 64:44 65:1 66:45 67:41 68:10 69:17 70:2 71:1 72:7 74:48 76:41 77:8 80:3 81:1 82:3 83:1 84:5 85:19 86:4 87:1 89:2 91:16 92:2 93:1 96:5 97:1 98:2 101:2 102:30 103:310 104:74 108:10 109:6 111:16 114:24 116:8 117:61 118:32 119:20 121:18 122:8 123:8 124:42 125:5 128:83 129:33 130:83 131:56 132:59 133:156 134:107 136:196 137:131 138:57 139:5 140:34 141:3 142:38 143:22 144:23 146:134 147:54 148:188 149:11 150:43 151:9 152:133 153:2 154:29 155:63 156:66 157:18 158:35 159:114 160:30 161:14 162:22 163:88 164:13 165:47 166:1 167:14 168:118 169:7 170:90 171:1 172:3 173:7 175:25 176:8 177:6 179:12 180:14 182:1 184:2 185:14 186:3 187:17 188:4 189:3 190:17 191:13 192:1076 193:36 194:57 195:28 196:199 197:117 198:472 199:275 200:266 201:37 202:589 203:421 204:356 205:130 206:179 207:145 208:72 209:114 210:193 211:14 212:120 213:2 214:8 216:83 218:22 219:5 220:17 222:1 223:14 End of report