IPv4 R&E Routing Table Report 22:15 GMT Wed 13 Jul, 2022 IPv4 BGP Table (R&E) as seen at RedCLARA. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RedCLARA/ Analysis Summary ---------------- BGP routing table entries examined: 18300 Prefixes after maximum aggregation (per Origin AS): 10332 Deaggregation factor: 1.77 Unique aggregates announced (without unneeded subnets): 11412 Number of IPv4 prefixes with a valid ROA: 4076 Number of IPv4 prefixes with an invalid ROA: 41 Number of IPv4 prefixes with no ROA: 14183 Total ASes present in the Internet Routing Table: 2750 Prefixes per ASN: 6.65 Origin-only ASes present in the Internet Routing Table: 2371 Origin ASes announcing only one prefix: 1075 Transit ASes present in the Internet Routing Table: 379 Transit-only ASes present in the Internet Routing Table: 63 Paths with bogon ASNs present in the IPv4 Routing Table: 8 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 18 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 14 Number of instances of unregistered ASNs: 14 Number of 32-bit ASNs allocated by the RIRs: 39782 Number of 32-bit ASNs visible in the Routing Table: 635 Prefixes from 32-bit ASNs in the Routing Table: 1722 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: 200451056 Equivalent to 11 /8s, 242 /16s and 163 /24s Percentage of available address space announced: 5.4 Percentage of allocated address space announced: 5.4 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: 2149 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4734 Total APNIC prefixes after maximum aggregation: 2312 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4735 Unique aggregates announced from the APNIC address blocks: 2619 APNIC Region origin ASes present in the Internet Routing Table: 587 APNIC Prefixes per ASN: 8.07 APNIC Region origin ASes announcing only one prefix: 256 APNIC Region transit ASes present in the Internet Routing Table: 70 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 231 Number of APNIC addresses announced to Internet: 46039872 Equivalent to 2 /8s, 190 /16s and 131 /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: 7632 Total ARIN prefixes after maximum aggregation: 4403 ARIN Deaggregation factor: 1.73 Prefixes being announced from the ARIN address blocks: 7651 Unique aggregates announced from the ARIN address blocks: 4910 ARIN Region origin ASes present in the Internet Routing Table: 1195 ARIN Prefixes per ASN: 6.40 ARIN Region origin ASes announcing only one prefix: 423 ARIN Region transit ASes present in the Internet Routing Table: 154 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 174 Number of ARIN addresses announced to Internet: 89574000 Equivalent to 5 /8s, 86 /16s and 202 /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: 3529 Total RIPE prefixes after maximum aggregation: 2831 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3513 Unique aggregates announced from the RIPE address blocks: 2823 RIPE Region origin ASes present in the Internet Routing Table: 681 RIPE Prefixes per ASN: 5.16 RIPE Region origin ASes announcing only one prefix: 306 RIPE Region transit ASes present in the Internet Routing Table: 98 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 14 Number of RIPE region 32-bit ASNs visible in the Routing Table: 136 Number of RIPE addresses announced to Internet: 57938944 Equivalent to 3 /8s, 116 /16s and 20 /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: 1446 Total LACNIC prefixes after maximum aggregation: 569 LACNIC Deaggregation factor: 2.54 Prefixes being announced from the LACNIC address blocks: 1454 Unique aggregates announced from the LACNIC address blocks: 767 LACNIC Region origin ASes present in the Internet Routing Table: 165 LACNIC Prefixes per ASN: 8.81 LACNIC Region origin ASes announcing only one prefix: 64 LACNIC Region transit ASes present in the Internet Routing Table: 26 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67 Number of LACNIC addresses announced to Internet: 4238144 Equivalent to 0 /8s, 64 /16s and 171 /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: 945 Total AfriNIC prefixes after maximum aggregation: 203 AfriNIC Deaggregation factor: 4.66 Prefixes being announced from the AfriNIC address blocks: 945 Unique aggregates announced from the AfriNIC address blocks: 291 AfriNIC Region origin ASes present in the Internet Routing Table: 51 AfriNIC Prefixes per ASN: 18.53 AfriNIC Region origin ASes announcing only one prefix: 26 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 3.2 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27 Number of AfriNIC addresses announced to Internet: 2659584 Equivalent to 0 /8s, 40 /16s and 149 /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 621 2140 456 SINET-AS Research Organization of Infor 7497 433 182 24 CSTNET-AS-AP Computer Network Informati 1237 190 74 135 KREONET-AS-KR KISTI, KR 7575 176 330 122 AARNET-AS-AP Australian Academic and Re 58647 175 18 2 KAGAWAU-AS Kagawa University, JP 4538 128 4192 73 ERX-CERNET-BKB China Education and Rese 55824 115 18 10 NKN-CORE-NW NKN Core Network, IN 4621 77 37 10 UNINET-AS-AP UNINET-, TH 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 2152 155 507 88 CSUNET-NW, US 18558 134 18 4 NETBLK-RCOEK, US 23024 114 7 17 OCDE, US 2920 111 34 7 LACOE, US 32531 90 6 60 FORDHAM-UNIVERSITY, US 32440 89 18 19 LONI, US 21976 87 51 18 NJEDGE-NET, US 3 82 496 16 MIT-GATEWAYS, US Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 283 1951 250 DFN Verein zur Foerderung eines Deutsch 786 187 1775 184 JANET Jisc Services Limited, GB 8895 179 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 98 1520 86 SURFNET-NL SURFnet, The Netherlands, NL 2614 96 27 76 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 553 73 449 73 BELWUE BelWue-Koordination, DE 2200 64 599 59 FR-RENATER Reseau National de telecommu 1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 177 208 45 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 93 24 53 Red Universitaria Nacional, CL 2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo 1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 61468 45 3 15 CEDIA, EC 4270 43 16 1 Red de Interconexion Universitaria, AR 28571 41 40 18 UNIVERSIDADE DE SAO PAULO, BR 19611 37 17 2 Associacao Antonio Vieira - Unisinos, B 28614 37 2 2 Fundacao Universidade Regional de Blume Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 377 319 73 TENET-1, ZA 36914 226 82 3 KENET-AS, KE 2561 67 4 32 EUN, EG 8094 48 48 15 PUKNET, ZA 327687 38 28 3 RENU, UG 327700 34 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 18 8 1 TERNET, TZ 37074 13 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 621 2140 456 SINET-AS Research Organization of Infor 7497 433 182 24 CSTNET-AS-AP Computer Network Informati 2018 377 319 73 TENET-1, ZA 680 283 1951 250 DFN Verein zur Foerderung eines Deutsch 36914 226 82 3 KENET-AS, KE 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 1237 190 74 135 KREONET-AS-KR KISTI, KR 786 187 1775 184 JANET Jisc Services Limited, GB 8895 179 24 4 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 433 409 CSTNET-AS-AP Computer Network Information Cente 2018 377 304 TENET-1, ZA 36914 226 223 KENET-AS, KE 5786 200 199 UPRENET, PR 8895 179 175 ISU Internet Services Unit ISU, SA 58647 175 173 KAGAWAU-AS Kagawa University, JP 1916 177 132 Rede Nacional de Ensino e Pesquisa, BR 18558 134 130 NETBLK-RCOEK, US 55824 115 105 NKN-CORE-NW NKN Core Network, IN 2920 111 104 LACOE, US Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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 65248 PRIVATE 134.171.169.0/24 11340 Red Universitaria Nacional, 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US 65105 PRIVATE 165.98.8.0/24 27750 Cooperacion Latino Americana 65105 PRIVATE 165.98.16.0/24 27750 Cooperacion Latino Americana 65105 PRIVATE 165.98.18.0/24 27750 Cooperacion Latino Americana 65105 PRIVATE 165.98.34.0/24 27750 Cooperacion Latino Americana 65105 PRIVATE 165.98.43.0/24 27750 Cooperacion Latino Americana 65105 PRIVATE 165.98.90.0/24 27750 Cooperacion Latino Americana Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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/RedCLARA/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/RedCLARA/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 /12:10 /13:18 /14:33 /15:121 /16:1952 /17:395 /18:431 /19:550 /20:839 /21:845 /22:1396 /23:1527 /24:9877 /25:87 /26:56 /27:85 /28:11 /29:15 /30:7 /31:0 /32:41 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 213 226 KENET-AS, KE 8895 174 179 ISU Internet Services Unit ISU, SA 32440 74 89 LONI, US 23024 53 114 OCDE, US 25977 31 45 HCCS, US 28614 31 37 Fundacao Universidade Regional de Blumenau, BR 46115 31 34 LUTHER, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 40326 29 33 ECKERD-COLLEGE, US Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:3 5:15 8:2 12:1 14:86 18:46 23:9 24:3 31:7 35:4 37:6 38:9 40:1 41:127 42:10 44:5 45:38 46:5 47:1 49:10 50:1 52:1 58:1 59:20 60:4 61:3 62:8 63:34 64:51 65:1 66:35 67:43 68:8 69:19 70:2 71:1 72:8 74:50 76:34 77:7 78:3 79:10 80:18 81:28 82:7 83:6 84:5 85:43 86:6 87:1 88:1 89:10 91:45 92:1 93:10 94:4 95:4 96:5 97:1 98:2 101:6 102:13 103:321 104:75 108:8 109:10 110:4 111:16 114:23 116:6 117:61 118:32 119:24 121:27 122:8 123:8 124:39 125:4 128:86 129:38 130:92 131:65 132:58 133:145 134:96 136:200 137:74 138:9 139:5 140:37 141:1 142:41 143:31 144:23 145:2 146:128 147:56 148:191 149:12 150:130 151:6 152:79 153:13 154:29 155:51 156:67 157:32 158:44 159:111 160:26 161:21 162:20 163:58 164:15 165:57 166:1 167:16 168:123 169:10 170:52 172:2 173:7 175:31 176:8 177:11 179:10 180:19 181:1 182:4 184:3 185:43 186:3 187:19 188:13 189:3 190:33 191:36 192:1313 193:304 194:128 195:77 196:162 197:131 198:450 199:249 200:228 201:38 202:627 203:432 204:328 205:165 206:185 207:167 208:66 209:114 210:184 211:13 212:150 213:5 216:86 217:11 218:22 219:6 220:17 222:5 223:3 End of report