IPv4 R&E Routing Table Report 22:15 GMT Thu 04 Jan, 2024 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: 18579 Prefixes after maximum aggregation (per Origin AS): 10268 Deaggregation factor: 1.81 Unique aggregates announced (without unneeded subnets): 11303 Number of IPv4 prefixes with a valid ROA: 5927 Number of IPv4 prefixes with an invalid ROA: 98 Number of IPv4 prefixes with no ROA: 12554 Total ASes present in the Internet Routing Table: 2716 Prefixes per ASN: 6.84 Origin-only ASes present in the Internet Routing Table: 2349 Origin ASes announcing only one prefix: 1052 Transit ASes present in the Internet Routing Table: 367 Transit-only ASes present in the Internet Routing Table: 64 Paths with bogon ASNs present in the IPv4 Routing Table: 87 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 15 Max AS path prepend of ASN ( 47805) 11 Prefixes from unregistered ASNs in the Routing Table: 91 Number of instances of unregistered ASNs: 91 Number of 32-bit ASNs allocated by the RIRs: 43299 Number of 32-bit ASNs visible in the Routing Table: 644 Prefixes from 32-bit ASNs in the Routing Table: 1986 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: 196444648 Equivalent to 11 /8s, 181 /16s and 129 /24s Percentage of available address space announced: 5.3 Percentage of allocated address space announced: 5.3 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: 2425 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4620 Total APNIC prefixes after maximum aggregation: 2256 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4620 Unique aggregates announced from the APNIC address blocks: 2561 APNIC Region origin ASes present in the Internet Routing Table: 535 APNIC Prefixes per ASN: 8.64 APNIC Region origin ASes announcing only one prefix: 232 APNIC Region transit ASes present in the Internet Routing Table: 57 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 205 Number of APNIC addresses announced to Internet: 45478720 Equivalent to 2 /8s, 181 /16s and 243 /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: 7529 Total ARIN prefixes after maximum aggregation: 4324 ARIN Deaggregation factor: 1.74 Prefixes being announced from the ARIN address blocks: 7558 Unique aggregates announced from the ARIN address blocks: 4794 ARIN Region origin ASes present in the Internet Routing Table: 1206 ARIN Prefixes per ASN: 6.27 ARIN Region origin ASes announcing only one prefix: 424 ARIN Region transit ASes present in the Internet Routing Table: 156 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: 191 Number of ARIN addresses announced to Internet: 86437504 Equivalent to 5 /8s, 38 /16s and 238 /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: 3620 Total RIPE prefixes after maximum aggregation: 2887 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3606 Unique aggregates announced from the RIPE address blocks: 2950 RIPE Region origin ASes present in the Internet Routing Table: 685 RIPE Prefixes per ASN: 5.26 RIPE Region origin ASes announcing only one prefix: 306 RIPE Region transit ASes present in the Internet Routing Table: 101 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: 149 Number of RIPE addresses announced to Internet: 57711872 Equivalent to 3 /8s, 112 /16s and 157 /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, 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: 1417 Total LACNIC prefixes after maximum aggregation: 580 LACNIC Deaggregation factor: 2.44 Prefixes being announced from the LACNIC address blocks: 1492 Unique aggregates announced from the LACNIC address blocks: 773 LACNIC Region origin ASes present in the Internet Routing Table: 170 LACNIC Prefixes per ASN: 8.78 LACNIC Region origin ASes announcing only one prefix: 64 LACNIC Region transit ASes present in the Internet Routing Table: 27 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: 71 Number of LACNIC addresses announced to Internet: 4164136 Equivalent to 0 /8s, 63 /16s and 138 /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: 1302 Total AfriNIC prefixes after maximum aggregation: 173 AfriNIC Deaggregation factor: 7.53 Prefixes being announced from the AfriNIC address blocks: 1302 Unique aggregates announced from the AfriNIC address blocks: 224 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 26.04 AfriNIC Region origin ASes announcing only one prefix: 26 AfriNIC Region transit ASes present in the Internet Routing Table: 8 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 8 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28 Number of AfriNIC addresses announced to Internet: 2652160 Equivalent to 0 /8s, 40 /16s and 120 /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 602 2162 466 SINET-AS Research Organization of Infor 7497 437 180 23 CSTNET-AS-AP Computer Network Informati 1237 196 74 142 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 176 329 119 AARNET-AS-AP Australian Academic and Re 4538 130 4192 73 ERX-CERNET-BKB China Education and Rese 55824 127 19 17 NKN-CORE-NW NKN Core Network, IN 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 70 37 10 UNINET-AS-AP UNINET-, TH 9411 66 16 2 NONTRINET-AS-AP Kasetsart 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 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 2152 146 507 94 CSUNET-NW, US 18558 141 18 4 NETBLK-RCOEK, US 81 127 521 30 NCREN, US 32440 113 35 18 LONI, US 23024 109 7 22 OCDE, US 2920 104 34 7 LACOE, US 21976 80 51 18 NJEDGE-NET, US 1736 79 16 1 MU-AS, 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 1899 249 DFN Verein zur Foerderung eines Deutsch 786 185 1767 182 JANET Jisc Services Limited, GB 8895 157 24 5 ISU Internet Services Unit ISU, SA 559 114 533 104 SWITCH Peering requests: peering@switch 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 94 27 74 ROEDUNET, RO 137 81 676 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol 3267 79 44 68 RUNNET, RU 553 77 462 77 BELWUE BelWue-Koordination, DE 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 173 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 67 Universidad Juarez Autonoma de Tabasco, 11340 105 24 49 Red Universitaria Nacional, CL 271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 51 17 4 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 61468 47 3 14 CEDIA, EC 2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo 28614 38 2 2 Fundacao Universidade Regional de Blume 1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 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 36914 522 82 3 KENET-AS, KE 2018 375 318 66 TENET-1, ZA 327687 162 28 3 RENU, UG 8094 47 48 18 PUKNET, ZA 327700 43 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37074 14 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA 37654 11 1 6 RwEdNet-AS, RW 37215 10 8 1 MAREN, MW 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 602 2162 466 SINET-AS Research Organization of Infor 36914 522 82 3 KENET-AS, KE 7497 437 180 23 CSTNET-AS-AP Computer Network Informati 2018 375 318 66 TENET-1, ZA 680 283 1899 249 DFN Verein zur Foerderung eines Deutsch 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 1237 196 74 142 KREONET-AS-KR KISTI, KR 786 185 1767 182 JANET Jisc Services Limited, GB 58647 180 18 2 KAGAWAU-AS Kagawa University, JP Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 522 519 KENET-AS, KE 7497 437 414 CSTNET-AS-AP Computer Network Information Cente 2018 375 309 TENET-1, ZA 5786 197 196 UPRENET, PR 58647 180 178 KAGAWAU-AS Kagawa University, JP 327687 162 159 RENU, UG 8895 157 152 ISU Internet Services Unit ISU, SA 18558 141 137 NETBLK-RCOEK, US 1916 173 130 Rede Nacional de Ensino e Pesquisa, BR 65085 154 118 -Private Use AS-, ZZ 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, 65101 PRIVATE 137.54.122.0/23 225 VIRGINIA-AS, US 65200 PRIVATE 170.140.99.0/24 10490 SOUTHERN-CROSSROADS-SOX, US 11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US 11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, 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 RESERVED, ZZ 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 /10:1 /11:1 /12:10 /13:18 /14:33 /15:120 /16:1935 /17:415 /18:436 /19:563 /20:835 /21:847 /22:1481 /23:1505 /24:10128 /25:84 /26:65 /27:71 /28:7 /29:15 /30:5 /31:0 /32:3 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 507 522 KENET-AS, KE 8895 152 157 ISU Internet Services Unit ISU, SA 32440 81 113 LONI, US 23024 52 109 OCDE, US 327700 37 43 MoRENet, MZ 3267 36 79 RUNNET, RU 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 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 23:5 24:3 31:7 35:6 38:9 40:1 41:223 42:10 44:7 45:43 46:5 47:1 49:9 50:1 52:1 58:1 59:19 60:5 61:3 62:11 63:32 64:48 65:1 66:39 67:41 68:10 69:17 70:2 71:1 72:7 74:51 76:41 77:9 78:3 79:10 80:12 81:26 82:7 83:7 84:8 85:44 86:4 87:1 89:10 91:50 92:2 93:4 94:4 95:2 96:5 97:1 98:2 101:2 102:38 103:265 104:73 108:8 109:7 111:16 114:23 116:8 117:61 118:32 119:18 121:27 122:8 123:8 124:40 125:5 128:86 129:44 130:83 131:64 132:59 133:155 134:106 136:196 137:137 138:9 139:5 140:35 141:3 142:39 143:23 144:23 145:2 146:132 147:54 148:193 149:12 150:44 151:12 152:133 153:14 154:29 155:63 156:66 157:18 158:30 159:115 160:30 161:15 162:20 163:79 164:13 165:47 166:1 167:13 168:119 169:7 170:86 171:1 172:3 173:7 175:18 176:8 177:6 179:11 180:15 181:1 182:1 184:2 185:58 186:3 187:18 188:14 189:3 190:19 191:13 192:1324 193:263 194:125 195:83 196:203 197:324 198:423 199:248 200:325 201:37 202:619 203:419 204:346 205:125 206:186 207:143 208:72 209:110 210:193 211:14 212:158 213:5 216:82 217:9 218:22 219:5 220:15 222:2 223:14 End of report