IPv4 R&E Routing Table Report 18:45 GMT Thu 18 Apr, 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: 15819 Prefixes after maximum aggregation (per Origin AS): 8348 Deaggregation factor: 1.89 Unique aggregates announced (without unneeded subnets): 9483 Number of IPv4 prefixes with a valid ROA: 4169 Number of IPv4 prefixes with an invalid ROA: 9 Number of IPv4 prefixes with no ROA: 11641 Total ASes present in the Internet Routing Table: 2267 Prefixes per ASN: 6.98 Origin-only ASes present in the Internet Routing Table: 1976 Origin ASes announcing only one prefix: 828 Transit ASes present in the Internet Routing Table: 291 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: 4.4 Max AS path length visible: 17 Max AS path prepend of ASN ( 47805) 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: 44183 Number of 32-bit ASNs visible in the Routing Table: 530 Prefixes from 32-bit ASNs in the Routing Table: 1534 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: 4 Number of addresses announced to Internet: 157940480 Equivalent to 9 /8s, 105 /16s and 251 /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: 1480 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4735 Total APNIC prefixes after maximum aggregation: 2320 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4731 Unique aggregates announced from the APNIC address blocks: 2653 APNIC Region origin ASes present in the Internet Routing Table: 585 APNIC Prefixes per ASN: 8.09 APNIC Region origin ASes announcing only one prefix: 249 APNIC Region transit ASes present in the Internet Routing Table: 61 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 229 Number of APNIC addresses announced to Internet: 45717760 Equivalent to 2 /8s, 185 /16s and 153 /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: 7999 Total ARIN prefixes after maximum aggregation: 4679 ARIN Deaggregation factor: 1.71 Prefixes being announced from the ARIN address blocks: 8019 Unique aggregates announced from the ARIN address blocks: 5196 ARIN Region origin ASes present in the Internet Routing Table: 1238 ARIN Prefixes per ASN: 6.48 ARIN Region origin ASes announcing only one prefix: 427 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: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 195 Number of ARIN addresses announced to Internet: 92659712 Equivalent to 5 /8s, 133 /16s and 224 /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: 920 Total RIPE prefixes after maximum aggregation: 642 RIPE Deaggregation factor: 1.43 Prefixes being announced from the RIPE address blocks: 915 Unique aggregates announced from the RIPE address blocks: 691 RIPE Region origin ASes present in the Internet Routing Table: 199 RIPE Prefixes per ASN: 4.60 RIPE Region origin ASes announcing only one prefix: 87 RIPE Region transit ASes present in the Internet Routing Table: 28 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: 32 Number of RIPE addresses announced to Internet: 12952064 Equivalent to 0 /8s, 197 /16s and 162 /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: 1384 Total LACNIC prefixes after maximum aggregation: 554 LACNIC Deaggregation factor: 2.50 Prefixes being announced from the LACNIC address blocks: 1382 Unique aggregates announced from the LACNIC address blocks: 752 LACNIC Region origin ASes present in the Internet Routing Table: 161 LACNIC Prefixes per ASN: 8.58 LACNIC Region origin ASes announcing only one prefix: 56 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: 66 Number of LACNIC addresses announced to Internet: 4277504 Equivalent to 0 /8s, 65 /16s and 69 /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: 768 Total AfriNIC prefixes after maximum aggregation: 142 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 768 Unique aggregates announced from the AfriNIC address blocks: 188 AfriNIC Region origin ASes present in the Internet Routing Table: 24 AfriNIC Prefixes per ASN: 32.00 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: 2.4 Max AfriNIC Region AS path length visible: 7 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8 Number of AfriNIC addresses announced to Internet: 2324992 Equivalent to 0 /8s, 35 /16s and 122 /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 441 180 24 CSTNET-AS-AP Computer Network Informati 1237 189 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Re 55824 131 19 19 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Rese 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 67 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 198 16 1 UPRENET, PR 2920 174 34 7 LACOE, US 2152 149 507 94 CSUNET-NW, US 18558 140 18 4 NETBLK-RCOEK, US 81 127 521 30 NCREN, US 270 117 328 81 AS270, US 23024 108 7 22 OCDE, 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 27 65 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 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 152 10 66 Universidad Juarez Autonoma de Tabasco, 1916 141 176 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 45 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 378 319 71 TENET-1, ZA 36914 206 82 3 KENET-AS, KE 8094 47 48 18 PUKNET, ZA 327700 46 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 31960 5 1 1 EMUNET, MZ 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 441 180 24 CSTNET-AS-AP Computer Network Informati 2018 378 319 71 TENET-1, ZA 36914 206 82 3 KENET-AS, KE 668 203 648 172 DNIC-AS-00668, US 376 201 162 151 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 1237 189 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 2920 174 34 7 LACOE, US 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 441 417 CSTNET-AS-AP Computer Network Information Cente 2018 378 307 TENET-1, ZA 36914 206 203 KENET-AS, KE 5786 198 197 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 2920 174 167 LACOE, US 18558 140 136 NETBLK-RCOEK, US 8895 134 129 ISU Internet Services Unit ISU, SA 55824 131 112 NKN-CORE-NW NKN Core Network, IN 1916 141 99 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 394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US 18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US 18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US 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 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 202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese 202.46.240.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.240.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese 202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese 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 /15:87 /16:1482 /17:368 /18:401 /19:483 /20:748 /21:691 /22:1210 /23:1285 /24:9005 /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 193 206 KENET-AS, KE 8895 129 134 ISU Internet Services Unit ISU, SA 23024 51 108 OCDE, US 327700 40 46 MoRENet, MZ 32440 38 63 LONI, US 3267 36 77 RUNNET, RU 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 14:91 23:6 24:3 35:6 38:9 40:1 41:121 42:10 44:5 45:37 47:1 49:9 50:1 52:1 59:19 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 82:4 83:1 84:5 85:16 86:5 87:1 89:2 91:16 92:2 93:1 96:5 97:1 98:2 101:2 102:1 103:321 104:77 108:10 109:6 111:16 114:24 116:8 117:61 118:33 119:20 121:27 122:8 123:8 124:42 125:5 128:82 129:27 130:83 131:56 132:66 133:157 134:107 136:197 137:45 138:57 139:5 140:38 141:3 142:26 143:22 144:23 146:134 147:55 148:186 149:12 150:42 151:9 152:133 153:2 154:29 155:63 156:133 157:20 158:35 159:114 160:30 161:13 162:23 163:78 164:14 165:48 166:1 167:12 168:120 169:6 170:90 171:1 172:3 173:7 175:25 176:8 177:6 179:13 180:15 182:9 184:2 185:13 186:3 187:18 188:4 189:3 190:17 191:13 192:1078 193:38 194:57 195:29 196:153 197:118 198:469 199:270 200:258 201:37 202:632 203:430 204:355 205:134 206:181 207:156 208:72 209:115 210:204 211:14 212:120 213:2 214:8 216:84 218:22 219:5 220:17 222:2 223:14 End of report