IPv4 R&E Routing Table Report 22:15 GMT Fri 13 Jan, 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: 18514 Prefixes after maximum aggregation (per Origin AS): 10453 Deaggregation factor: 1.77 Unique aggregates announced (without unneeded subnets): 11641 Number of IPv4 prefixes with a valid ROA: 4409 Number of IPv4 prefixes with an invalid ROA: 62 Number of IPv4 prefixes with no ROA: 14043 Total ASes present in the Internet Routing Table: 2755 Prefixes per ASN: 6.72 Origin-only ASes present in the Internet Routing Table: 2386 Origin ASes announcing only one prefix: 1053 Transit ASes present in the Internet Routing Table: 369 Transit-only ASes present in the Internet Routing Table: 59 Paths with bogon ASNs present in the IPv4 Routing Table: 2 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 19 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 6 Number of instances of unregistered ASNs: 6 Number of 32-bit ASNs allocated by the RIRs: 41040 Number of 32-bit ASNs visible in the Routing Table: 642 Prefixes from 32-bit ASNs in the Routing Table: 1790 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: 202854449 Equivalent to 12 /8s, 23 /16s and 80 /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: 2191 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4718 Total APNIC prefixes after maximum aggregation: 2304 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4719 Unique aggregates announced from the APNIC address blocks: 2629 APNIC Region origin ASes present in the Internet Routing Table: 582 APNIC Prefixes per ASN: 8.11 APNIC Region origin ASes announcing only one prefix: 248 APNIC Region transit ASes present in the Internet Routing Table: 66 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 225 Number of APNIC addresses announced to Internet: 45837888 Equivalent to 2 /8s, 187 /16s and 110 /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: 7789 Total ARIN prefixes after maximum aggregation: 4515 ARIN Deaggregation factor: 1.73 Prefixes being announced from the ARIN address blocks: 7806 Unique aggregates announced from the ARIN address blocks: 5039 ARIN Region origin ASes present in the Internet Routing Table: 1214 ARIN Prefixes per ASN: 6.43 ARIN Region origin ASes announcing only one prefix: 421 ARIN Region transit ASes present in the Internet Routing Table: 155 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: 183 Number of ARIN addresses announced to Internet: 92264256 Equivalent to 5 /8s, 127 /16s and 215 /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: 3585 Total RIPE prefixes after maximum aggregation: 2836 RIPE Deaggregation factor: 1.26 Prefixes being announced from the RIPE address blocks: 3573 Unique aggregates announced from the RIPE address blocks: 2888 RIPE Region origin ASes present in the Internet Routing Table: 681 RIPE Prefixes per ASN: 5.25 RIPE Region origin ASes announcing only one prefix: 300 RIPE Region transit ASes present in the Internet Routing Table: 99 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: 141 Number of RIPE addresses announced to Internet: 57906944 Equivalent to 3 /8s, 115 /16s and 151 /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: 1415 Total LACNIC prefixes after maximum aggregation: 590 LACNIC Deaggregation factor: 2.40 Prefixes being announced from the LACNIC address blocks: 1414 Unique aggregates announced from the LACNIC address blocks: 795 LACNIC Region origin ASes present in the Internet Routing Table: 160 LACNIC Prefixes per ASN: 8.84 LACNIC Region origin ASes announcing only one prefix: 60 LACNIC Region transit ASes present in the Internet Routing Table: 24 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 10 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64 Number of LACNIC addresses announced to Internet: 4188081 Equivalent to 0 /8s, 63 /16s and 231 /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: 1001 Total AfriNIC prefixes after maximum aggregation: 202 AfriNIC Deaggregation factor: 4.96 Prefixes being announced from the AfriNIC address blocks: 1001 Unique aggregates announced from the AfriNIC address blocks: 289 AfriNIC Region origin ASes present in the Internet Routing Table: 53 AfriNIC Prefixes per ASN: 18.89 AfriNIC Region origin ASes announcing only one prefix: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29 Number of AfriNIC addresses announced to Internet: 2657024 Equivalent to 0 /8s, 40 /16s and 139 /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 592 2157 462 SINET-AS Research Organization of Infor 7497 434 182 24 CSTNET-AS-AP Computer Network Informati 1237 188 74 134 KREONET-AS-KR KISTI, KR 58647 175 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 118 AARNET-AS-AP Australian Academic and Re 4538 129 4192 73 ERX-CERNET-BKB China Education and Rese 55824 115 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/RedCLARA/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 376 200 178 149 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 2152 151 507 90 CSUNET-NW, US 18558 134 18 4 NETBLK-RCOEK, US 270 120 329 85 AS270, US 23024 113 7 17 OCDE, US 2920 109 34 7 LACOE, US 32440 92 18 16 LONI, US 32531 90 6 60 FORDHAM-UNIVERSITY, US 21976 87 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 1935 251 DFN Verein zur Foerderung eines Deutsch 786 186 1775 183 JANET Jisc Services Limited, GB 8895 176 24 4 ISU Internet Services Unit ISU, SA 559 114 550 105 SWITCH Peering requests: peering@switch 1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL 2614 95 27 75 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 177 208 44 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 95 24 54 Red Universitaria Nacional, CL 1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 61468 47 3 15 CEDIA, EC 4270 44 16 1 Red de Interconexion Universitaria, AR 19611 37 17 2 Associacao Antonio Vieira - Unisinos, B 28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA 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 365 319 67 TENET-1, ZA 36914 241 82 3 KENET-AS, KE 2561 67 4 34 EUN, EG 8094 48 48 15 PUKNET, ZA 327687 45 28 3 RENU, UG 3208 32 2 1 ARN, DZ 37182 31 8 1 TERNET, TZ 327700 30 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37074 13 8 2 UG-AS, GH 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 592 2157 462 SINET-AS Research Organization of Infor 7497 434 182 24 CSTNET-AS-AP Computer Network Informati 2018 365 319 67 TENET-1, ZA 680 283 1935 251 DFN Verein zur Foerderung eines Deutsch 36914 241 82 3 KENET-AS, KE 376 200 178 149 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 1237 188 74 134 KREONET-AS-KR KISTI, KR 786 186 1775 183 JANET Jisc Services Limited, GB 1916 177 208 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 365 298 TENET-1, ZA 36914 241 238 KENET-AS, KE 5786 199 198 UPRENET, PR 58647 175 173 KAGAWAU-AS Kagawa University, JP 8895 176 172 ISU Internet Services Unit ISU, SA 1916 177 133 Rede Nacional de Ensino e Pesquisa, BR 18558 134 130 NETBLK-RCOEK, US 55824 115 103 NKN-CORE-NW NKN Core Network, IN 2920 109 102 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 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 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/RedCLARA/data-badAS 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 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 /16:1979 /17:411 /18:437 /19:558 /20:838 /21:844 /22:1449 /23:1524 /24:10023 /25:88 /26:56 /27:81 /28:8 /29:14 /30:10 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 228 241 KENET-AS, KE 8895 171 176 ISU Internet Services Unit ISU, SA 32440 77 92 LONI, US 23024 52 113 OCDE, US 46115 32 35 LUTHER, US 25977 30 44 HCCS, US 28614 30 36 Fundacao Universidade Regional de Blumenau, BR 37182 30 31 TERNET, TZ 200521 30 52 SEAP-AGE, ES 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 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 14:85 18:44 23:8 24:3 31:7 35:6 38:9 40:1 41:139 42:10 44:5 45:36 46:5 47:1 49:10 50:3 52:1 58:1 59:20 60:4 61:3 62:10 63:33 64:51 65:1 66:32 67:42 68:8 69:21 70:2 71:1 72:7 74:50 76:37 77:9 78:3 79:10 80:17 81:28 82:8 83:6 84:5 85:42 86:5 87:1 89:10 91:46 92:1 93:4 94:4 95:4 96:5 97:2 98:2 101:6 102:16 103:316 104:72 108:8 109:10 110:2 111:16 114:23 116:6 117:61 118:32 119:22 121:26 122:8 123:8 124:39 125:4 128:86 129:42 130:88 131:63 132:62 133:149 134:97 136:199 137:75 138:9 139:6 140:42 141:1 142:39 143:30 144:23 145:2 146:130 147:56 148:194 149:12 150:130 151:7 152:77 153:14 154:29 155:52 156:68 157:29 158:40 159:116 160:26 161:20 162:20 163:73 164:10 165:51 166:1 167:16 168:124 169:10 170:57 171:1 172:2 173:7 175:31 176:8 177:10 179:10 180:17 181:1 182:1 184:3 185:47 186:3 187:19 188:13 189:3 190:18 191:36 192:1421 193:336 194:132 195:79 196:159 197:145 198:462 199:252 200:220 201:37 202:632 203:424 204:343 205:124 206:185 207:161 208:66 209:112 210:186 211:14 212:168 213:5 216:87 217:11 218:22 219:6 220:17 222:5 223:4 End of report