IPv4 R&E Routing Table Report 22:15 GMT Thu 27 Apr, 2023 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: 18450 Prefixes after maximum aggregation (per Origin AS): 10395 Deaggregation factor: 1.77 Unique aggregates announced (without unneeded subnets): 11500 Number of IPv4 prefixes with a valid ROA: 4568 Number of IPv4 prefixes with an invalid ROA: 109 Number of IPv4 prefixes with no ROA: 13773 Total ASes present in the Internet Routing Table: 2765 Prefixes per ASN: 6.67 Origin-only ASes present in the Internet Routing Table: 2384 Origin ASes announcing only one prefix: 1058 Transit ASes present in the Internet Routing Table: 381 Transit-only ASes present in the Internet Routing Table: 68 Paths with bogon ASNs present in the IPv4 Routing Table: 88 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 19 Max AS path prepend of ASN (395156) 12 Prefixes from unregistered ASNs in the Routing Table: 87 Number of instances of unregistered ASNs: 87 Number of 32-bit ASNs allocated by the RIRs: 41745 Number of 32-bit ASNs visible in the Routing Table: 652 Prefixes from 32-bit ASNs in the Routing Table: 1851 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: 2 Number of addresses announced to Internet: 202260121 Equivalent to 12 /8s, 14 /16s and 62 /24s Percentage of available address space announced: 5.5 Percentage of allocated address space announced: 5.5 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: 2202 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4664 Total APNIC prefixes after maximum aggregation: 2308 APNIC Deaggregation factor: 2.02 Prefixes being announced from the APNIC address blocks: 4665 Unique aggregates announced from the APNIC address blocks: 2629 APNIC Region origin ASes present in the Internet Routing Table: 576 APNIC Prefixes per ASN: 8.10 APNIC Region origin ASes announcing only one prefix: 245 APNIC Region transit ASes present in the Internet Routing Table: 61 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 225 Number of APNIC addresses announced to Internet: 45824064 Equivalent to 2 /8s, 187 /16s and 56 /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: 7698 Total ARIN prefixes after maximum aggregation: 4438 ARIN Deaggregation factor: 1.73 Prefixes being announced from the ARIN address blocks: 7716 Unique aggregates announced from the ARIN address blocks: 4936 ARIN Region origin ASes present in the Internet Routing Table: 1215 ARIN Prefixes per ASN: 6.35 ARIN Region origin ASes announcing only one prefix: 425 ARIN Region transit ASes present in the Internet Routing Table: 158 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 19 Number of ARIN region 32-bit ASNs visible in the Routing Table: 188 Number of ARIN addresses announced to Internet: 91772576 Equivalent to 5 /8s, 120 /16s and 86 /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: 3607 Total RIPE prefixes after maximum aggregation: 2843 RIPE Deaggregation factor: 1.27 Prefixes being announced from the RIPE address blocks: 3595 Unique aggregates announced from the RIPE address blocks: 2892 RIPE Region origin ASes present in the Internet Routing Table: 687 RIPE Prefixes per ASN: 5.23 RIPE Region origin ASes announcing only one prefix: 306 RIPE Region transit ASes present in the Internet Routing Table: 105 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 13 Number of RIPE region 32-bit ASNs visible in the Routing Table: 146 Number of RIPE addresses announced to Internet: 57942016 Equivalent to 3 /8s, 116 /16s and 32 /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: 1435 Total LACNIC prefixes after maximum aggregation: 585 LACNIC Deaggregation factor: 2.45 Prefixes being announced from the LACNIC address blocks: 1514 Unique aggregates announced from the LACNIC address blocks: 806 LACNIC Region origin ASes present in the Internet Routing Table: 160 LACNIC Prefixes per ASN: 9.46 LACNIC Region origin ASes announcing only one prefix: 57 LACNIC Region transit ASes present in the Internet Routing Table: 25 Average LACNIC Region AS path length visible: 3.8 Max LACNIC Region AS path length visible: 11 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65 Number of LACNIC addresses announced to Internet: 4048569 Equivalent to 0 /8s, 61 /16s and 198 /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: 959 Total AfriNIC prefixes after maximum aggregation: 178 AfriNIC Deaggregation factor: 5.39 Prefixes being announced from the AfriNIC address blocks: 958 Unique aggregates announced from the AfriNIC address blocks: 235 AfriNIC Region origin ASes present in the Internet Routing Table: 52 AfriNIC Prefixes per ASN: 18.42 AfriNIC Region origin ASes announcing only one prefix: 25 AfriNIC Region transit ASes present in the Internet Routing Table: 10 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28 Number of AfriNIC addresses announced to Internet: 2672128 Equivalent to 0 /8s, 40 /16s and 198 /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 608 2155 467 SINET-AS Research Organization of Infor 7497 434 182 24 CSTNET-AS-AP Computer Network Informati 1237 192 74 139 KREONET-AS-KR KISTI, KR 58647 178 18 2 KAGAWAU-AS Kagawa University, JP 7575 173 329 119 AARNET-AS-AP Australian Academic and Re 4538 130 4192 73 ERX-CERNET-BKB China Education and Rese 55824 117 18 10 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 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 376 201 178 150 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 2152 140 507 92 CSUNET-NW, US 18558 134 18 4 NETBLK-RCOEK, US 81 129 521 32 NCREN, US 270 120 329 85 AS270, US 23024 113 7 17 OCDE, US 2920 109 34 7 LACOE, US 32440 108 35 18 LONI, US 21976 85 51 18 NJEDGE-NET, 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 1919 249 DFN Verein zur Foerderung eines Deutsch 786 186 1775 183 JANET Jisc Services Limited, GB 8895 174 24 3 ISU Internet Services Unit ISU, SA 559 112 533 104 SWITCH Peering requests: peering@switch 1103 95 1518 84 SURFNET-NL SURFnet, The Netherlands, NL 2614 94 27 74 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 553 73 449 73 BELWUE BelWue-Koordination, DE 1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol 2200 64 599 59 FR-RENATER Reseau National de telecommu 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 184 208 44 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 102 24 46 Red Universitaria Nacional, CL 1251 60 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 61468 46 3 14 CEDIA, EC 4270 45 16 1 Red de Interconexion Universitaria, AR 28614 38 2 2 Fundacao Universidade Regional de Blume 19611 37 17 2 Associacao Antonio Vieira - Unisinos, B 28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR 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 381 319 72 TENET-1, ZA 36914 255 82 3 KENET-AS, KE 327687 61 28 3 RENU, UG 8094 48 48 15 PUKNET, ZA 327700 34 16 1 MoRENet, MZ 3208 32 2 1 ARN, DZ 6879 24 2 9 ENSTINET-, EG 37074 13 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA 37654 10 1 6 RwEdNet-AS, RW 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 608 2155 467 SINET-AS Research Organization of Infor 7497 434 182 24 CSTNET-AS-AP Computer Network Informati 2018 381 319 72 TENET-1, ZA 680 283 1919 249 DFN Verein zur Foerderung eines Deutsch 36914 255 82 3 KENET-AS, KE 376 201 178 150 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 1237 192 74 139 KREONET-AS-KR KISTI, KR 786 186 1775 183 JANET Jisc Services Limited, GB 1916 184 208 44 Rede Nacional de Ensino e Pesquisa, BR 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 434 410 CSTNET-AS-AP Computer Network Information Cente 2018 381 309 TENET-1, ZA 36914 255 252 KENET-AS, KE 5786 199 198 UPRENET, PR 58647 178 176 KAGAWAU-AS Kagawa University, JP 8895 174 171 ISU Internet Services Unit ISU, SA 1916 184 140 Rede Nacional de Ensino e Pesquisa, BR 18558 134 130 NETBLK-RCOEK, US 65085 158 123 UNASSIGNED 55824 117 107 NKN-CORE-NW NKN Core Network, IN 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, 33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US 18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US 18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US 64507 DOCUMENT 170.79.91.8/29 27817 Red Nacional Academica de Te 65085 PRIVATE 200.17.33.0/24 1916 Rede Nacional de Ensino e Pe 65085 PRIVATE 200.17.34.0/24 1916 Rede Nacional de Ensino e Pe 65085 PRIVATE 200.17.35.0/24 1916 Rede Nacional de Ensino e Pe 65085 PRIVATE 200.17.36.0/24 1916 Rede Nacional de Ensino e Pe Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 102.36.194.0/23 Origin: 2018 TENET-1, ZA 102.36.194.0/23 Transit: 27750 Cooperacion Latino Americana de Redes Av 192.31.196.0/24 Origin: 112 UNASSIGNED 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 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 /14:35 /15:121 /16:1967 /17:410 /18:435 /19:558 /20:842 /21:835 /22:1468 /23:1527 /24:9924 /25:93 /26:72 /27:91 /28:7 /29:15 /30:10 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 242 255 KENET-AS, KE 8895 169 174 ISU Internet Services Unit ISU, SA 32440 80 108 LONI, US 23024 52 113 OCDE, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 200521 31 53 SEAP-AGE, ES 25977 30 44 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 27609 29 45 USC-UNIVERSITY-HOSPITAL, US Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 5:15 8:2 12:1 14:89 23:8 24:3 31:7 35:6 38:9 40:1 41:109 42:10 44:5 45:40 46:5 47:1 49:6 50:1 52:1 58:1 59:20 60:4 61:3 62:11 63:33 64:52 65:1 66:33 67:41 68:8 69:19 70:2 71:1 72:7 74:50 76:40 77:9 78:3 79:10 80:17 81:28 82:7 83:6 84:8 85:42 86:5 87:1 89:10 91:47 92:2 93:4 94:4 95:2 96:5 97:1 98:2 101:6 102:15 103:301 104:77 108:8 109:9 110:2 111:16 114:23 116:6 117:61 118:32 119:21 121:28 122:8 123:8 124:39 125:4 128:86 129:41 130:87 131:58 132:60 133:157 134:99 136:199 137:90 138:9 139:6 140:38 141:1 142:39 143:29 144:23 145:2 146:131 147:54 148:160 149:12 150:40 151:10 152:144 153:14 154:34 155:55 156:67 157:35 158:36 159:115 160:27 161:21 162:19 163:73 164:10 165:51 166:1 167:16 168:124 169:7 170:63 171:1 172:3 173:7 175:31 176:8 177:9 179:10 180:15 181:1 182:1 184:3 185:49 186:3 187:19 188:13 189:3 190:18 191:36 192:1405 193:299 194:131 195:77 196:169 197:159 198:459 199:247 200:311 201:39 202:584 203:430 204:344 205:122 206:182 207:164 208:67 209:113 210:186 211:17 212:168 213:5 216:86 217:10 218:22 219:6 220:16 222:5 223:4 End of report