IPv4 R&E Routing Table Report 18:45 GMT Thu 15 Feb, 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: 15241 Prefixes after maximum aggregation (per Origin AS): 7883 Deaggregation factor: 1.93 Unique aggregates announced (without unneeded subnets): 8989 Number of IPv4 prefixes with a valid ROA: 4135 Number of IPv4 prefixes with an invalid ROA: 7 Number of IPv4 prefixes with no ROA: 11099 Total ASes present in the Internet Routing Table: 2086 Prefixes per ASN: 7.31 Origin-only ASes present in the Internet Routing Table: 1803 Origin ASes announcing only one prefix: 760 Transit ASes present in the Internet Routing Table: 283 Transit-only ASes present in the Internet Routing Table: 52 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: 14 Max AS path prepend of ASN ( 47805) 11 Prefixes from unregistered ASNs in the Routing Table: 15 Number of instances of unregistered ASNs: 15 Number of 32-bit ASNs allocated by the RIRs: 43640 Number of 32-bit ASNs visible in the Routing Table: 415 Prefixes from 32-bit ASNs in the Routing Table: 1452 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: 157553408 Equivalent to 9 /8s, 100 /16s and 19 /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: 1784 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 3933 Total APNIC prefixes after maximum aggregation: 1910 APNIC Deaggregation factor: 2.06 Prefixes being announced from the APNIC address blocks: 3933 Unique aggregates announced from the APNIC address blocks: 2322 APNIC Region origin ASes present in the Internet Routing Table: 411 APNIC Prefixes per ASN: 9.57 APNIC Region origin ASes announcing only one prefix: 172 APNIC Region transit ASes present in the Internet Routing Table: 45 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 115 Number of APNIC addresses announced to Internet: 45181696 Equivalent to 2 /8s, 177 /16s and 107 /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: 7950 Total ARIN prefixes after maximum aggregation: 4674 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 7971 Unique aggregates announced from the ARIN address blocks: 5226 ARIN Region origin ASes present in the Internet Routing Table: 1232 ARIN Prefixes per ASN: 6.47 ARIN Region origin ASes announcing only one prefix: 429 ARIN Region transit ASes present in the Internet Routing Table: 159 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: 191 Number of ARIN addresses announced to Internet: 92843008 Equivalent to 5 /8s, 136 /16s and 172 /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: 923 Total RIPE prefixes after maximum aggregation: 647 RIPE Deaggregation factor: 1.43 Prefixes being announced from the RIPE address blocks: 918 Unique aggregates announced from the RIPE address blocks: 665 RIPE Region origin ASes present in the Internet Routing Table: 200 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: 30 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: 29 Number of RIPE addresses announced to Internet: 12920576 Equivalent to 0 /8s, 197 /16s and 39 /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: 1227 Total LACNIC prefixes after maximum aggregation: 505 LACNIC Deaggregation factor: 2.43 Prefixes being announced from the LACNIC address blocks: 1225 Unique aggregates announced from the LACNIC address blocks: 608 LACNIC Region origin ASes present in the Internet Routing Table: 164 LACNIC Prefixes per ASN: 7.47 LACNIC Region origin ASes announcing only one prefix: 61 LACNIC Region transit ASes present in the Internet Routing Table: 26 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 70 Number of LACNIC addresses announced to Internet: 4175616 Equivalent to 0 /8s, 63 /16s and 183 /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: 1193 Total AfriNIC prefixes after maximum aggregation: 135 AfriNIC Deaggregation factor: 8.84 Prefixes being announced from the AfriNIC address blocks: 1193 Unique aggregates announced from the AfriNIC address blocks: 167 AfriNIC Region origin ASes present in the Internet Routing Table: 24 AfriNIC Prefixes per ASN: 49.71 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: 3.0 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: 2432256 Equivalent to 0 /8s, 37 /16s and 29 /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 439 180 23 CSTNET-AS-AP Computer Network Informati 1237 194 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 174 329 117 AARNET-AS-AP Australian Academic and Re 4538 124 4176 73 ERX-CERNET-BKB China Education and Rese 4762 75 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 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 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 376 200 162 150 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 2152 144 507 93 CSUNET-NW, US 18558 141 18 4 NETBLK-RCOEK, US 81 126 521 30 NCREN, US 270 116 328 80 AS270, US 23024 109 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 130 24 3 ISU Internet Services Unit ISU, SA 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 3267 77 44 68 RUNNET, RU 1653 50 151 47 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 1916 149 176 42 Rede Nacional de Ensino e Pesquisa, BR 11340 107 24 51 Red Universitaria Nacional, CL 271640 68 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 3596 35 4 3 Universidad Autonoma Metropolitana, MX 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 36914 494 82 3 KENET-AS, KE 2018 378 319 71 TENET-1, ZA 327687 160 28 3 RENU, UG 8094 47 48 18 PUKNET, ZA 327700 42 16 1 MoRENet, MZ 37501 11 49 6 UOFS, ZA 37654 11 1 6 RwEdNet-AS, RW 36982 8 33 8 UCT, ZA 37215 8 8 1 MAREN, MW 37182 6 8 1 TERNET, TZ 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 36914 494 82 3 KENET-AS, KE 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 2018 378 319 71 TENET-1, ZA 668 203 648 172 DNIC-AS-00668, US 376 200 162 150 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 1237 194 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 174 329 117 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 36914 494 491 KENET-AS, KE 7497 439 416 CSTNET-AS-AP Computer Network Information Cente 2018 378 307 TENET-1, ZA 5786 198 197 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 327687 160 157 RENU, UG 18558 141 137 NETBLK-RCOEK, US 8895 130 127 ISU Internet Services Unit ISU, SA 1916 149 107 Rede Nacional de Ensino e Pesquisa, BR 81 126 96 NCREN, US 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 26303 UNALLOCATED 76.165.220.0/24 32440 LONI, US 26303 UNALLOCATED 76.165.221.0/24 32440 LONI, US 26303 UNALLOCATED 76.165.222.0/24 32440 LONI, US 394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, 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 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 /16:1437 /17:364 /18:396 /19:460 /20:697 /21:664 /22:1170 /23:1211 /24:8697 /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 479 494 KENET-AS, KE 8895 125 130 ISU Internet Services Unit ISU, SA 23024 52 109 OCDE, US 32440 38 62 LONI, US 327700 37 42 MoRENet, MZ 3267 35 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) ---------------------------------------------- 1:1 4:2 6:4 8:2 12:1 23:6 24:3 35:6 38:8 40:1 41:175 42:10 44:4 45:32 47:1 49:6 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 91:15 92:2 93:1 96:5 97:1 98:2 101:2 102:28 103:144 104:76 108:10 109:6 111:16 114:24 116:8 117:61 118:32 119:19 121:17 122:8 123:8 124:40 125:5 128:80 129:33 130:83 131:59 132:59 133:157 134:107 136:197 137:132 138:57 139:5 140:38 141:3 142:39 143:21 144:1 146:133 147:54 148:34 149:12 150:43 151:12 152:133 153:2 154:28 155:63 156:66 157:18 158:6 159:114 160:30 161:14 162:22 163:86 164:13 165:47 166:1 167:13 168:118 169:7 170:90 171:1 172:3 173:7 175:18 176:8 177:6 179:11 181:1 182:1 184:3 185:14 186:3 187:17 188:4 189:3 190:17 191:13 192:1070 193:36 194:56 195:4 196:190 197:341 198:473 199:273 200:273 201:37 202:535 203:422 204:356 205:129 206:179 207:144 208:72 209:113 210:194 211:14 212:118 213:3 214:8 216:81 218:22 219:5 220:13 222:1 223:14 End of report