IPv4 R&E Routing Table Report 18:45 GMT Thu 19 Dec, 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: 10530 Prefixes after maximum aggregation (per Origin AS): 5571 Deaggregation factor: 1.89 Unique aggregates announced (without unneeded subnets): 6378 Number of IPv4 prefixes with a valid ROA: 3951 Number of IPv4 prefixes with an invalid ROA: 1 Number of IPv4 prefixes with no ROA: 6578 Total ASes present in the Internet Routing Table: 1228 Prefixes per ASN: 8.57 Origin-only ASes present in the Internet Routing Table: 1016 Origin ASes announcing only one prefix: 417 Transit ASes present in the Internet Routing Table: 212 Transit-only ASes present in the Internet Routing Table: 67 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 28 Max AS path prepend of ASN (138136) 20 Prefixes from unregistered ASNs in the Routing Table: 1 Number of instances of unregistered ASNs: 1 Number of 32-bit ASNs allocated by the RIRs: 45976 Number of 32-bit ASNs visible in the Routing Table: 268 Prefixes from 32-bit ASNs in the Routing Table: 595 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: 135664128 Equivalent to 8 /8s, 22 /16s and 18 /24s Percentage of available address space announced: 3.7 Percentage of allocated address space announced: 3.7 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: 1412 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 3398 Total APNIC prefixes after maximum aggregation: 1716 APNIC Deaggregation factor: 1.98 Prefixes being announced from the APNIC address blocks: 3398 Unique aggregates announced from the APNIC address blocks: 1951 APNIC Region origin ASes present in the Internet Routing Table: 353 APNIC Prefixes per ASN: 9.63 APNIC Region origin ASes announcing only one prefix: 159 APNIC Region transit ASes present in the Internet Routing Table: 49 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 151 Number of APNIC addresses announced to Internet: 42007808 Equivalent to 2 /8s, 128 /16s and 253 /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: 5137 Total ARIN prefixes after maximum aggregation: 3021 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 5142 Unique aggregates announced from the ARIN address blocks: 3469 ARIN Region origin ASes present in the Internet Routing Table: 639 ARIN Prefixes per ASN: 8.05 ARIN Region origin ASes announcing only one prefix: 187 ARIN Region transit ASes present in the Internet Routing Table: 116 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 10 Number of ARIN region 32-bit ASNs visible in the Routing Table: 76 Number of ARIN addresses announced to Internet: 77068544 Equivalent to 4 /8s, 151 /16s and 249 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 680 Total RIPE prefixes after maximum aggregation: 529 RIPE Deaggregation factor: 1.29 Prefixes being announced from the RIPE address blocks: 674 Unique aggregates announced from the RIPE address blocks: 584 RIPE Region origin ASes present in the Internet Routing Table: 118 RIPE Prefixes per ASN: 5.71 RIPE Region origin ASes announcing only one prefix: 49 RIPE Region transit ASes present in the Internet Routing Table: 17 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 11 Number of RIPE region 32-bit ASNs visible in the Routing Table: 20 Number of RIPE addresses announced to Internet: 12457984 Equivalent to 0 /8s, 190 /16s and 24 /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, 53/8, 57/8, 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: 304 Total LACNIC prefixes after maximum aggregation: 182 LACNIC Deaggregation factor: 1.67 Prefixes being announced from the LACNIC address blocks: 305 Unique aggregates announced from the LACNIC address blocks: 223 LACNIC Region origin ASes present in the Internet Routing Table: 34 LACNIC Prefixes per ASN: 8.97 LACNIC Region origin ASes announcing only one prefix: 16 LACNIC Region transit ASes present in the Internet Routing Table: 13 Average LACNIC Region AS path length visible: 3.3 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 16 Number of LACNIC addresses announced to Internet: 1861888 Equivalent to 0 /8s, 28 /16s and 105 /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: 1010 Total AfriNIC prefixes after maximum aggregation: 122 AfriNIC Deaggregation factor: 8.28 Prefixes being announced from the AfriNIC address blocks: 1010 Unique aggregates announced from the AfriNIC address blocks: 150 AfriNIC Region origin ASes present in the Internet Routing Table: 16 AfriNIC Prefixes per ASN: 63.12 AfriNIC Region origin ASes announcing only one prefix: 6 AfriNIC Region transit ASes present in the Internet Routing Table: 5 Average AfriNIC Region AS path length visible: 2.8 Max AfriNIC Region AS path length visible: 5 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5 Number of AfriNIC addresses announced to Internet: 2267648 Equivalent to 0 /8s, 34 /16s and 154 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 568 2087 443 SINET-AS Research Organization of Informa 7497 440 180 24 CSTNET-AS-AP Computer Network Information 1237 191 74 145 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 168 313 111 AARNET-AS-AP Australian Academic and Rese 55824 146 19 20 NKN-CORE-NW NKN Core Network, IN 4538 135 4192 71 ERX-CERNET-BKB China Education and Resear 4621 69 37 10 UNINET-AS-AP UNINET-, TH 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Sunw 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 668 202 642 172 DNIC-AS-00668, US 5786 198 16 1 UPRENET, PR 376 182 160 133 RISQ-AS, CA 2152 149 507 97 CENIC-2152, US 81 131 502 32 NCREN, US 270 115 328 79 AS270, US 23024 97 7 19 OCDE, US 21976 91 50 17 NJEDGE-NET, US 237 80 525 46 MERIT-AS-14, 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 118 8 64 ISU Internet Services Unit ISU, SA 1103 90 1662 79 SURFNET-NL SURFnet, The Netherlands, NL 3267 76 27 66 NIKS, RU 1653 52 150 49 SUNET SUNET Swedish University Network, E 1741 38 133 17 FUNETAS, FI 1880 14 1 7 STUPI, SE 8674 14 2 11 NETNOD-IX Netnod AB, SE 1101 12 465 12 IP-EEND-AS IP-EEND BV, NL 224 11 240 11 UNINETT UNINETT, The Norwegian University 29384 11 3 8 QATAR-FOUNDATION, QA 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 11340 89 23 50 Red Universitaria Nacional, CL 61468 43 4 15 CEDIA, EC 1916 42 167 28 Rede Nacional de Ensino e Pesquisa, BR 1251 34 31 27 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S 278 22 32 4 Universidad Nacional Autonoma de Mexico, 2715 14 97 12 Fundacao Carlos Chagas Filho de Amparo a 28571 12 37 12 UNIVERSIDADE DE SAO PAULO, BR 269224 7 0 1 Universidade La Salle, BR 53187 3 25 3 UNIVERSIDADE ESTADUAL DE CAMPINAS, BR 61496 3 1 2 UNIVERSIDAD NACIONAL DEL CENTRO DE LA PRO 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 540 82 3 KENET-AS, KE 2018 342 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 37215 32 8 1 MAREN, MW 327700 16 16 1 MoRENet, MZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37182 3 0 3 TERNET, TZ 37520 3 16 3 Rhodes-Univ, ZA 37532 2 20 2 ZAMREN, ZM 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 568 2087 443 SINET-AS Research Organization of Informa 36914 540 82 3 KENET-AS, KE 7497 440 180 24 CSTNET-AS-AP Computer Network Information 2018 342 319 71 TENET-1, ZA 668 202 642 172 DNIC-AS-00668, US 5786 198 16 1 UPRENET, PR 1237 191 74 145 KREONET-AS-KR KISTI, KR 376 182 160 133 RISQ-AS, CA 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 168 313 111 AARNET-AS-AP Australian Academic and Rese 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 540 537 KENET-AS, KE 7497 440 416 CSTNET-AS-AP Computer Network Information Cente 2018 342 271 TENET-1, ZA 5786 198 197 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 55824 146 126 NKN-CORE-NW NKN Core Network, IN 81 131 99 NCREN, US 23024 97 78 OCDE, US 1736 79 78 MU-AS, US 21976 91 74 NJEDGE-NET, 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 26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 203.9.156.0/24 Origin: 1851 ADELAIDE-UNIVERSITY-AS-AP The University 203.9.156.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 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 /12:10 /13:17 /14:27 /15:86 /16:1220 /17:268 /18:284 /19:332 /20:459 /21:439 /22:751 /23:837 /24:5797 /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 516 540 KENET-AS, KE 8895 115 118 ISU Internet Services Unit ISU, SA 23024 37 97 OCDE, US 32440 35 60 LONI, US 3267 34 76 NIKS, RU 46115 32 33 LUTHER, US 25977 30 44 HCCS, US 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 37215 26 32 MAREN, MW 26898 24 32 LNOCA-ORG, 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 12:2 14:93 23:6 24:3 35:8 38:11 41:226 42:11 44:3 45:44 47:1 49:10 50:2 52:1 59:19 60:5 61:3 62:2 63:32 64:43 65:5 66:43 67:39 68:12 69:18 70:2 71:1 72:7 74:49 76:39 77:8 80:5 81:1 82:4 83:1 84:2 85:20 86:5 87:1 89:2 91:6 92:2 93:1 96:5 97:1 98:2 101:1 102:2 103:291 104:78 108:10 109:4 111:21 113:1 114:24 116:9 117:61 118:33 119:23 121:27 122:8 123:8 124:41 125:5 128:53 129:29 130:94 131:58 132:65 133:155 134:106 136:198 137:46 138:57 139:5 140:36 141:3 142:38 143:18 144:1 146:85 147:11 148:1 149:4 150:16 151:4 152:88 154:24 155:18 156:1 157:3 158:12 159:99 160:28 161:5 162:13 163:29 164:1 165:1 168:30 169:2 170:4 171:1 173:5 175:1 180:16 182:1 184:5 185:2 187:3 188:3 190:14 192:639 193:24 194:30 195:2 196:129 197:325 198:278 199:109 200:27 202:332 203:184 204:94 205:56 206:108 207:79 208:32 209:60 210:144 211:2 212:104 214:6 216:32 218:23 219:5 220:14 223:4 End of report