IPv4 R&E Routing Table Report 18:45 GMT Fri 09 Dec, 2022 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: 16151 Prefixes after maximum aggregation (per Origin AS): 8502 Deaggregation factor: 1.90 Unique aggregates announced (without unneeded subnets): 9739 Number of IPv4 prefixes with a valid ROA: 3068 Number of IPv4 prefixes with an invalid ROA: 38 Number of IPv4 prefixes with no ROA: 13045 Total ASes present in the Internet Routing Table: 2291 Prefixes per ASN: 7.05 Origin-only ASes present in the Internet Routing Table: 1984 Origin ASes announcing only one prefix: 842 Transit ASes present in the Internet Routing Table: 307 Transit-only ASes present in the Internet Routing Table: 61 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: 19 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 5 Number of instances of unregistered ASNs: 5 Number of 32-bit ASNs allocated by the RIRs: 40845 Number of 32-bit ASNs visible in the Routing Table: 508 Prefixes from 32-bit ASNs in the Routing Table: 1531 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 2 Number of addresses announced to Internet: 162539776 Equivalent to 9 /8s, 176 /16s and 41 /24s Percentage of available address space announced: 4.4 Percentage of allocated address space announced: 4.4 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: 1654 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4684 Total APNIC prefixes after maximum aggregation: 2301 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4685 Unique aggregates announced from the APNIC address blocks: 2625 APNIC Region origin ASes present in the Internet Routing Table: 582 APNIC Prefixes per ASN: 8.05 APNIC Region origin ASes announcing only one prefix: 251 APNIC Region transit ASes present in the Internet Routing Table: 65 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 226 Number of APNIC addresses announced to Internet: 45908480 Equivalent to 2 /8s, 188 /16s and 130 /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, 131072-151865 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: 8199 Total ARIN prefixes after maximum aggregation: 4814 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 8211 Unique aggregates announced from the ARIN address blocks: 5423 ARIN Region origin ASes present in the Internet Routing Table: 1255 ARIN Prefixes per ASN: 6.54 ARIN Region origin ASes announcing only one prefix: 445 ARIN Region transit ASes present in the Internet Routing Table: 166 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 19 Number of ARIN region 32-bit ASNs visible in the Routing Table: 185 Number of ARIN addresses announced to Internet: 96731136 Equivalent to 5 /8s, 196 /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, 393216-401308 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: 630 RIPE Deaggregation factor: 1.47 Prefixes being announced from the RIPE address blocks: 919 Unique aggregates announced from the RIPE address blocks: 637 RIPE Region origin ASes present in the Internet Routing Table: 204 RIPE Prefixes per ASN: 4.50 RIPE Region origin ASes announcing only one prefix: 81 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: 12 Number of RIPE region 32-bit ASNs visible in the Routing Table: 25 Number of RIPE addresses announced to Internet: 13186816 Equivalent to 0 /8s, 201 /16s and 55 /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 196608-213403 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: 1404 Total LACNIC prefixes after maximum aggregation: 575 LACNIC Deaggregation factor: 2.44 Prefixes being announced from the LACNIC address blocks: 1402 Unique aggregates announced from the LACNIC address blocks: 789 LACNIC Region origin ASes present in the Internet Routing Table: 158 LACNIC Prefixes per ASN: 8.87 LACNIC Region origin ASes announcing only one prefix: 59 LACNIC Region transit ASes present in the Internet Routing Table: 22 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 11 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64 Number of LACNIC addresses announced to Internet: 4219648 Equivalent to 0 /8s, 64 /16s and 99 /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: 932 Total AfriNIC prefixes after maximum aggregation: 177 AfriNIC Deaggregation factor: 5.27 Prefixes being announced from the AfriNIC address blocks: 932 Unique aggregates announced from the AfriNIC address blocks: 263 AfriNIC Region origin ASes present in the Internet Routing Table: 26 AfriNIC Prefixes per ASN: 35.85 AfriNIC Region origin ASes announcing only one prefix: 6 AfriNIC Region transit ASes present in the Internet Routing Table: 9 Average AfriNIC Region AS path length visible: 2.7 Max AfriNIC Region AS path length visible: 9 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8 Number of AfriNIC addresses announced to Internet: 2493184 Equivalent to 0 /8s, 38 /16s and 11 /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 574 2156 461 SINET-AS Research Organization of Infor 7497 434 182 24 CSTNET-AS-AP Computer Network Informati 1237 186 74 134 KREONET-AS-KR KISTI, KR 58647 175 18 2 KAGAWAU-AS Kagawa University, JP 7575 173 329 119 AARNET-AS-AP Australian Academic and Re 4538 129 4192 73 ERX-CERNET-BKB China Education and Rese 55824 116 18 12 NKN-CORE-NW NKN Core Network, IN 4621 70 37 10 UNINET-AS-AP UNINET-, TH 9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol 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 668 219 702 180 DNIC-AS-00668, US 376 200 178 149 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 2152 148 507 92 CSUNET-NW, US 18558 134 18 4 NETBLK-RCOEK, US 270 120 329 85 AS270, US 23024 113 7 17 OCDE, US 2920 108 34 7 LACOE, US 32531 90 6 60 FORDHAM-UNIVERSITY, US 21976 85 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 134 24 4 ISU Internet Services Unit ISU, SA 1103 100 1520 87 SURFNET-NL SURFnet, The Netherlands, NL 3267 57 63 42 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 17 2 11 NETNOD-IX Netnod AB, SE 224 13 256 13 UNINETT UNINETT, The Norwegian Universi 1101 13 481 13 IP-EEND-AS IP-EEND BV, NL 47862 12 1 4 ANKABUT, AE 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 151 207 39 Rede Nacional de Ensino e Pesquisa, BR 11340 97 24 55 Red Universitaria Nacional, CL 1251 64 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 4270 44 16 1 Red de Interconexion Universitaria, AR 61468 42 3 15 CEDIA, EC 28571 40 40 18 UNIVERSIDADE DE SAO PAULO, BR 28614 38 2 2 Fundacao Universidade Regional de Blume 19611 37 17 2 Associacao Antonio Vieira - Unisinos, B 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 373 319 72 TENET-1, ZA 36914 244 82 3 KENET-AS, KE 2561 68 4 33 EUN, EG 8094 48 48 15 PUKNET, ZA 327687 41 28 3 RENU, UG 327700 34 16 1 MoRENet, MZ 37182 33 8 1 TERNET, TZ 6879 24 2 9 ENSTINET-, EG 37501 11 49 6 UOFS, ZA 37654 10 1 6 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 574 2156 461 SINET-AS Research Organization of Infor 7497 434 182 24 CSTNET-AS-AP Computer Network Informati 2018 373 319 72 TENET-1, ZA 36914 244 82 3 KENET-AS, KE 668 219 702 180 DNIC-AS-00668, US 376 200 178 149 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 1237 186 74 134 KREONET-AS-KR KISTI, KR 58647 175 18 2 KAGAWAU-AS Kagawa University, JP 7575 173 329 119 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 434 410 CSTNET-AS-AP Computer Network Information Cente 2018 373 301 TENET-1, ZA 36914 244 241 KENET-AS, KE 5786 199 198 UPRENET, PR 58647 175 173 KAGAWAU-AS Kagawa University, JP 8895 134 130 ISU Internet Services Unit ISU, SA 18558 134 130 NETBLK-RCOEK, US 1916 151 112 Rede Nacional de Ensino e Pesquisa, BR 55824 116 104 NKN-CORE-NW NKN Core Network, IN 2920 108 101 LACOE, 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 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US 395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US 394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/REN/TENET/data-spar 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 192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US 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 /10:2 /11:1 /12:9 /13:17 /14:31 /15:88 /16:1501 /17:361 /18:401 /19:484 /20:766 /21:716 /22:1199 /23:1326 /24:9248 /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 231 244 KENET-AS, KE 8895 129 134 ISU Internet Services Unit ISU, SA 23024 52 113 OCDE, US 18632 34 65 VOLCANO-VISION, US 32440 34 49 LONI, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 37182 32 33 TERNET, TZ 46115 32 35 LUTHER, US 25977 30 44 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4 4:2 6:4 8:2 12:1 14:86 18:43 23:10 24:3 35:6 37:1 38:9 40:1 41:143 42:10 44:3 45:31 47:1 49:9 50:3 52:1 58:1 59:20 60:4 61:3 62:5 63:37 64:53 65:5 66:49 67:44 68:9 69:21 70:2 71:1 72:7 74:50 76:37 77:6 80:8 81:1 82:6 84:1 85:18 86:6 87:1 89:2 91:15 92:1 93:1 96:5 97:3 98:2 101:6 102:3 103:320 104:72 107:16 108:11 109:7 110:4 111:16 114:23 116:6 117:61 118:32 119:23 121:27 122:8 123:8 124:39 125:4 128:83 129:34 130:88 131:56 132:61 133:146 134:97 136:198 137:68 138:9 139:5 140:55 141:3 142:40 143:29 144:23 146:130 147:56 148:186 149:12 150:130 151:11 152:77 153:2 154:28 155:52 156:67 157:23 158:39 159:115 160:26 161:38 162:26 163:79 164:10 165:57 166:1 167:16 168:123 169:10 170:73 171:1 172:2 173:7 175:31 176:8 177:10 179:10 180:17 181:1 182:6 184:3 185:15 186:3 187:19 188:3 189:3 190:18 191:36 192:1067 193:82 194:57 195:47 196:159 197:146 198:515 199:281 200:230 201:39 202:622 203:430 204:349 205:135 206:194 207:168 208:69 209:122 210:185 211:14 212:127 213:3 214:8 216:86 217:1 218:22 219:6 220:17 222:5 223:4 End of report