IPv4 R&E Routing Table Report 22:15 GMT Thu 20 Jul, 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: 18441 Prefixes after maximum aggregation (per Origin AS): 10311 Deaggregation factor: 1.79 Unique aggregates announced (without unneeded subnets): 11357 Number of IPv4 prefixes with a valid ROA: 4944 Number of IPv4 prefixes with an invalid ROA: 113 Number of IPv4 prefixes with no ROA: 13384 Total ASes present in the Internet Routing Table: 2717 Prefixes per ASN: 6.79 Origin-only ASes present in the Internet Routing Table: 2338 Origin ASes announcing only one prefix: 1028 Transit ASes present in the Internet Routing Table: 379 Transit-only ASes present in the Internet Routing Table: 72 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: 85 Number of instances of unregistered ASNs: 85 Number of 32-bit ASNs allocated by the RIRs: 42267 Number of 32-bit ASNs visible in the Routing Table: 622 Prefixes from 32-bit ASNs in the Routing Table: 1888 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: 3 Number of addresses announced to Internet: 202020377 Equivalent to 12 /8s, 10 /16s and 150 /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: 2223 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4617 Total APNIC prefixes after maximum aggregation: 2236 APNIC Deaggregation factor: 2.06 Prefixes being announced from the APNIC address blocks: 4617 Unique aggregates announced from the APNIC address blocks: 2549 APNIC Region origin ASes present in the Internet Routing Table: 532 APNIC Prefixes per ASN: 8.68 APNIC Region origin ASes announcing only one prefix: 221 APNIC Region transit ASes present in the Internet Routing Table: 57 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 200 Number of APNIC addresses announced to Internet: 45749056 Equivalent to 2 /8s, 186 /16s and 19 /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: 7680 Total ARIN prefixes after maximum aggregation: 4444 ARIN Deaggregation factor: 1.73 Prefixes being announced from the ARIN address blocks: 7692 Unique aggregates announced from the ARIN address blocks: 4899 ARIN Region origin ASes present in the Internet Routing Table: 1211 ARIN Prefixes per ASN: 6.35 ARIN Region origin ASes announcing only one prefix: 422 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: 186 Number of ARIN addresses announced to Internet: 91470880 Equivalent to 5 /8s, 115 /16s and 188 /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: 3581 Total RIPE prefixes after maximum aggregation: 2832 RIPE Deaggregation factor: 1.26 Prefixes being announced from the RIPE address blocks: 3570 Unique aggregates announced from the RIPE address blocks: 2883 RIPE Region origin ASes present in the Internet Routing Table: 680 RIPE Prefixes per ASN: 5.25 RIPE Region origin ASes announcing only one prefix: 299 RIPE Region transit ASes present in the Internet Routing Table: 106 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 12 Number of RIPE region 32-bit ASNs visible in the Routing Table: 142 Number of RIPE addresses announced to Internet: 57902080 Equivalent to 3 /8s, 115 /16s and 132 /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: 1392 Total LACNIC prefixes after maximum aggregation: 587 LACNIC Deaggregation factor: 2.37 Prefixes being announced from the LACNIC address blocks: 1474 Unique aggregates announced from the LACNIC address blocks: 800 LACNIC Region origin ASes present in the Internet Routing Table: 166 LACNIC Prefixes per ASN: 8.88 LACNIC Region origin ASes announcing only one prefix: 61 LACNIC Region transit ASes present in the Internet Routing Table: 28 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: 68 Number of LACNIC addresses announced to Internet: 4236729 Equivalent to 0 /8s, 64 /16s and 165 /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: 1086 Total AfriNIC prefixes after maximum aggregation: 171 AfriNIC Deaggregation factor: 6.35 Prefixes being announced from the AfriNIC address blocks: 1085 Unique aggregates announced from the AfriNIC address blocks: 223 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 25 AfriNIC Region transit ASes present in the Internet Routing Table: 9 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2660608 Equivalent to 0 /8s, 40 /16s and 153 /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 606 2147 466 SINET-AS Research Organization of Infor 7497 434 180 23 CSTNET-AS-AP Computer Network Informati 1237 193 74 139 KREONET-AS-KR KISTI, KR 58647 178 18 2 KAGAWAU-AS Kagawa University, JP 7575 177 329 120 AARNET-AS-AP Australian Academic and Re 4538 130 4192 73 ERX-CERNET-BKB China Education and Rese 55824 122 18 14 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/RedCLARA/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 376 202 178 150 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 2152 143 507 92 CSUNET-NW, US 18558 136 18 4 NETBLK-RCOEK, US 81 128 521 31 NCREN, US 270 117 329 82 AS270, US 23024 113 7 17 OCDE, US 2920 109 34 7 LACOE, US 32440 108 35 18 LONI, US 21976 84 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 1903 249 DFN Verein zur Foerderung eines Deutsch 786 186 1767 183 JANET Jisc Services Limited, GB 8895 163 24 5 ISU Internet Services Unit ISU, SA 559 111 533 103 SWITCH Peering requests: peering@switch 1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 94 27 74 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 553 74 465 74 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 179 176 42 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 102 24 46 Red Universitaria Nacional, CL 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 4270 48 16 1 Red de Interconexion Universitaria, AR 61468 46 3 14 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 19611 37 17 2 Associacao Antonio Vieira - Unisinos, B 3596 35 4 3 Universidad Autonoma Metropolitana, MX 263683 35 10 23 Universidad de Costa Rica, CR 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 372 319 72 TENET-1, ZA 36914 261 82 3 KENET-AS, KE 327687 162 28 3 RENU, UG 8094 48 48 15 PUKNET, ZA 327700 41 16 1 MoRENet, MZ 37215 37 8 1 MAREN, MW 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 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 606 2147 466 SINET-AS Research Organization of Infor 7497 434 180 23 CSTNET-AS-AP Computer Network Informati 2018 372 319 72 TENET-1, ZA 680 283 1903 249 DFN Verein zur Foerderung eines Deutsch 36914 261 82 3 KENET-AS, KE 376 202 178 150 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 1237 193 74 139 KREONET-AS-KR KISTI, KR 786 186 1767 183 JANET Jisc Services Limited, GB 1916 179 176 42 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 434 411 CSTNET-AS-AP Computer Network Information Cente 2018 372 300 TENET-1, ZA 36914 261 258 KENET-AS, KE 5786 197 196 UPRENET, PR 58647 178 176 KAGAWAU-AS Kagawa University, JP 327687 162 159 RENU, UG 8895 163 158 ISU Internet Services Unit ISU, SA 1916 179 137 Rede Nacional de Ensino e Pesquisa, BR 18558 136 132 NETBLK-RCOEK, US 65085 158 123 UNASSIGNED 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 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 65085 PRIVATE 200.17.37.0/24 1916 Rede Nacional de Ensino e Pe 65085 PRIVATE 200.17.39.0/26 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 202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU 202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 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 /16:1962 /17:415 /18:427 /19:561 /20:830 /21:824 /22:1446 /23:1510 /24:9995 /25:92 /26:72 /27:76 /28:7 /29:16 /30:10 /31:0 /32:10 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 249 261 KENET-AS, KE 8895 158 163 ISU Internet Services Unit ISU, SA 32440 79 108 LONI, US 23024 52 113 OCDE, US 327700 35 41 MoRENet, MZ 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 37215 31 37 MAREN, MW 25977 30 44 HCCS, US 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 23:6 24:3 31:7 35:2 38:9 40:1 41:145 42:10 44:6 45:38 46:5 47:1 49:9 50:1 52:1 58:1 59:19 60:4 61:3 62:10 63:33 64:57 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 80:13 81:26 82:7 83:6 84:8 85:41 86:10 87:1 89:10 91:48 92:2 93:4 94:4 95:2 96:5 97:1 98:2 101:2 102:31 103:251 104:80 108:8 109:9 111:16 114:23 116:6 117:61 118:32 119:18 121:28 122:8 123:8 124:38 125:4 128:87 129:42 130:87 131:54 132:60 133:155 134:102 136:197 137:132 138:11 139:5 140:35 141:1 142:38 143:21 144:23 145:2 146:132 147:55 148:192 149:12 150:43 151:11 152:136 153:14 154:31 155:63 156:67 157:23 158:37 159:115 160:27 161:24 162:20 163:76 164:10 165:46 166:1 167:13 168:122 169:8 170:66 171:1 172:3 173:6 175:19 176:8 177:4 179:12 180:15 181:1 182:1 184:3 185:53 186:3 187:18 188:13 189:3 190:19 191:13 192:1415 193:288 194:126 195:78 196:203 197:167 198:463 199:254 200:287 201:39 202:627 203:429 204:345 205:123 206:184 207:165 208:70 209:113 210:184 211:3 212:165 213:5 216:86 217:11 218:22 219:6 220:14 222:1 223:14 End of report