IPv4 R&E Routing Table Report 18:45 GMT Tue 16 Jan, 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: 15298 Prefixes after maximum aggregation (per Origin AS): 8156 Deaggregation factor: 1.88 Unique aggregates announced (without unneeded subnets): 9375 Number of IPv4 prefixes with a valid ROA: 3909 Number of IPv4 prefixes with an invalid ROA: 9 Number of IPv4 prefixes with no ROA: 11380 Total ASes present in the Internet Routing Table: 2184 Prefixes per ASN: 7.00 Origin-only ASes present in the Internet Routing Table: 1901 Origin ASes announcing only one prefix: 809 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: 43390 Number of 32-bit ASNs visible in the Routing Table: 495 Prefixes from 32-bit ASNs in the Routing Table: 1616 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: 157462016 Equivalent to 9 /8s, 98 /16s and 174 /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: 1276 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4369 Total APNIC prefixes after maximum aggregation: 2119 APNIC Deaggregation factor: 2.06 Prefixes being announced from the APNIC address blocks: 4369 Unique aggregates announced from the APNIC address blocks: 2555 APNIC Region origin ASes present in the Internet Routing Table: 511 APNIC Prefixes per ASN: 8.55 APNIC Region origin ASes announcing only one prefix: 225 APNIC Region transit ASes present in the Internet Routing Table: 48 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 199 Number of APNIC addresses announced to Internet: 45411840 Equivalent to 2 /8s, 180 /16s and 238 /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: 7935 Total ARIN prefixes after maximum aggregation: 4666 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 7958 Unique aggregates announced from the ARIN address blocks: 5195 ARIN Region origin ASes present in the Internet Routing Table: 1231 ARIN Prefixes per ASN: 6.46 ARIN Region origin ASes announcing only one prefix: 431 ARIN Region transit ASes present in the Internet Routing Table: 158 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: 192 Number of ARIN addresses announced to Internet: 92901120 Equivalent to 5 /8s, 137 /16s and 143 /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: 929 Total RIPE prefixes after maximum aggregation: 653 RIPE Deaggregation factor: 1.42 Prefixes being announced from the RIPE address blocks: 924 Unique aggregates announced from the RIPE address blocks: 678 RIPE Region origin ASes present in the Internet Routing Table: 204 RIPE Prefixes per ASN: 4.53 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: 29 Number of RIPE addresses announced to Internet: 12912896 Equivalent to 0 /8s, 197 /16s and 9 /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: 1374 Total LACNIC prefixes after maximum aggregation: 573 LACNIC Deaggregation factor: 2.40 Prefixes being announced from the LACNIC address blocks: 1370 Unique aggregates announced from the LACNIC address blocks: 766 LACNIC Region origin ASes present in the Internet Routing Table: 167 LACNIC Prefixes per ASN: 8.20 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: 4.7 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 71 Number of LACNIC addresses announced to Internet: 4149504 Equivalent to 0 /8s, 63 /16s and 81 /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: 676 Total AfriNIC prefixes after maximum aggregation: 133 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 676 Unique aggregates announced from the AfriNIC address blocks: 180 AfriNIC Region origin ASes present in the Internet Routing Table: 16 AfriNIC Prefixes per ASN: 42.25 AfriNIC Region origin ASes announcing only one prefix: 3 AfriNIC Region transit ASes present in the Internet Routing Table: 4 Average AfriNIC Region AS path length visible: 2.1 Max AfriNIC Region AS path length visible: 5 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 2086400 Equivalent to 0 /8s, 31 /16s and 214 /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 438 180 23 CSTNET-AS-AP Computer Network Informati 1237 193 74 142 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 176 329 119 AARNET-AS-AP Australian Academic and Re 55824 128 19 18 NKN-CORE-NW NKN Core Network, IN 4538 125 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 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 668 204 652 173 DNIC-AS-00668, US 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 2152 142 507 94 CSUNET-NW, US 18558 141 18 4 NETBLK-RCOEK, US 81 126 521 30 NCREN, US 270 118 329 82 AS270, US 23024 109 7 22 OCDE, US 2920 103 34 7 LACOE, US 21976 80 51 18 NJEDGE-NET, 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 131 24 5 ISU Internet Services Unit ISU, SA 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 3267 75 44 68 RUNNET, RU 1653 50 151 47 SUNET SUNET Swedish University Network, 1741 39 149 18 FUNETAS, FI 3218 20 4 17 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 149 176 42 Rede Nacional de Ensino e Pesquisa, BR 11340 106 24 50 Red Universitaria Nacional, CL 271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 50 17 3 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 378 319 71 TENET-1, ZA 327687 157 28 3 RENU, UG 8094 47 48 18 PUKNET, ZA 6879 24 2 9 ENSTINET-, EG 37501 11 49 6 UOFS, ZA 37654 11 1 6 RwEdNet-AS, RW 327700 11 16 1 MoRENet, MZ 37215 10 8 1 MAREN, MW 36982 8 33 8 UCT, ZA 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 590 2162 464 SINET-AS Research Organization of Infor 7497 438 180 23 CSTNET-AS-AP Computer Network Informati 2018 378 319 71 TENET-1, ZA 668 204 652 173 DNIC-AS-00668, US 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 1237 193 74 142 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 176 329 119 AARNET-AS-AP Australian Academic and Re 327687 157 28 3 RENU, UG 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 438 415 CSTNET-AS-AP Computer Network Information Cente 2018 378 307 TENET-1, ZA 5786 197 196 UPRENET, PR 58647 180 178 KAGAWAU-AS Kagawa University, JP 327687 157 154 RENU, UG 18558 141 137 NETBLK-RCOEK, US 8895 131 126 ISU Internet Services Unit ISU, SA 55824 128 110 NKN-CORE-NW NKN Core Network, IN 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 /14:29 /15:86 /16:1435 /17:365 /18:396 /19:461 /20:700 /21:671 /22:1193 /23:1253 /24:8680 /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 126 131 ISU Internet Services Unit ISU, SA 23024 52 109 OCDE, US 32440 38 62 LONI, US 3267 32 75 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 40326 29 33 ECKERD-COLLEGE, US 30220 25 26 SWWC-SERVICE-COOPERATIVE, 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 14:89 23:6 24:3 35:6 38:8 40:1 41:19 42:10 44:4 45:38 47:1 49:9 50:1 52:1 59:18 60:5 61:3 62:5 63:32 64:49 65:1 66:39 67:41 68:10 69:17 70:2 71:1 72:7 74:48 76:41 77:6 80:3 81:1 82:4 83:1 84:4 85:19 86:4 87:1 89:2 91:17 92:2 93:1 96:5 97:1 98:2 101:2 102:23 103:265 104:73 108:10 109:6 111:16 114:24 116:8 117:61 118:32 119:19 121:18 122:8 123:8 124:40 125:5 128:83 129:35 130:83 131:59 132:52 133:155 134:106 136:196 137:131 138:58 139:5 140:39 141:3 142:39 143:20 144:23 146:132 147:54 148:187 149:12 150:43 151:12 152:132 153:2 154:28 155:63 156:66 157:18 158:32 159:114 160:30 161:14 162:22 163:85 164:13 165:47 166:1 167:13 168:119 169:6 170:86 171:1 172:3 173:7 175:18 176:8 177:6 179:12 180:14 181:1 182:1 184:2 185:17 186:3 187:17 188:4 189:3 190:18 191:13 192:1056 193:37 194:56 195:32 196:192 198:465 199:275 200:270 201:37 202:578 203:422 204:354 205:130 206:189 207:146 208:72 209:113 210:192 211:14 212:117 213:3 214:8 216:82 218:22 219:5 220:15 222:1 223:14 End of report