IPv4 R&E Routing Table Report 17:00 GMT Sat 05 Oct, 2024 IPv4 BGP Table (R&E) as seen at GEANT. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/GEANT/ Analysis Summary ---------------- BGP routing table entries examined: 19794 Prefixes after maximum aggregation (per Origin AS): 10852 Deaggregation factor: 1.82 Unique aggregates announced (without unneeded subnets): 11943 Number of IPv4 prefixes with a valid ROA: 7185 Number of IPv4 prefixes with an invalid ROA: 9 Number of IPv4 prefixes with no ROA: 12600 Total ASes present in the Internet Routing Table: 2807 Prefixes per ASN: 7.05 Origin-only ASes present in the Internet Routing Table: 2440 Origin ASes announcing only one prefix: 1080 Transit ASes present in the Internet Routing Table: 367 Transit-only ASes present in the Internet Routing Table: 57 Paths with bogon ASNs present in the IPv4 Routing Table: 2 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 17 Max AS path prepend of ASN (395156) 12 Prefixes from unregistered ASNs in the Routing Table: 3 Number of instances of unregistered ASNs: 3 Number of 32-bit ASNs allocated by the RIRs: 45489 Number of 32-bit ASNs visible in the Routing Table: 685 Prefixes from 32-bit ASNs in the Routing Table: 1928 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: 5 Number of addresses announced to Internet: 204628592 Equivalent to 12 /8s, 50 /16s and 98 /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: 2446 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4711 Total APNIC prefixes after maximum aggregation: 2301 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4707 Unique aggregates announced from the APNIC address blocks: 2636 APNIC Region origin ASes present in the Internet Routing Table: 582 APNIC Prefixes per ASN: 8.09 APNIC Region origin ASes announcing only one prefix: 246 APNIC Region transit ASes present in the Internet Routing Table: 61 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 229 Number of APNIC addresses announced to Internet: 45769792 Equivalent to 2 /8s, 186 /16s and 100 /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: 8722 Total ARIN prefixes after maximum aggregation: 4906 ARIN Deaggregation factor: 1.78 Prefixes being announced from the ARIN address blocks: 8737 Unique aggregates announced from the ARIN address blocks: 5376 ARIN Region origin ASes present in the Internet Routing Table: 1267 ARIN Prefixes per ASN: 6.90 ARIN Region origin ASes announcing only one prefix: 442 ARIN Region transit ASes present in the Internet Routing Table: 152 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 206 Number of ARIN addresses announced to Internet: 92397984 Equivalent to 5 /8s, 129 /16s and 225 /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, 393216-402332 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: 3669 Total RIPE prefixes after maximum aggregation: 2921 RIPE Deaggregation factor: 1.26 Prefixes being announced from the RIPE address blocks: 3660 Unique aggregates announced from the RIPE address blocks: 2971 RIPE Region origin ASes present in the Internet Routing Table: 691 RIPE Prefixes per ASN: 5.30 RIPE Region origin ASes announcing only one prefix: 309 RIPE Region transit ASes present in the Internet Routing Table: 107 Average RIPE Region AS path length visible: 2.9 Max RIPE Region AS path length visible: 12 Number of RIPE region 32-bit ASNs visible in the Routing Table: 156 Number of RIPE addresses announced to Internet: 59756688 Equivalent to 3 /8s, 143 /16s and 208 /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: 1528 Total LACNIC prefixes after maximum aggregation: 548 LACNIC Deaggregation factor: 2.79 Prefixes being announced from the LACNIC address blocks: 1525 Unique aggregates announced from the LACNIC address blocks: 732 LACNIC Region origin ASes present in the Internet Routing Table: 157 LACNIC Prefixes per ASN: 9.71 LACNIC Region origin ASes announcing only one prefix: 53 LACNIC Region transit ASes present in the Internet Routing Table: 23 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65 Number of LACNIC addresses announced to Internet: 4201984 Equivalent to 0 /8s, 64 /16s and 30 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 1161 Total AfriNIC prefixes after maximum aggregation: 173 AfriNIC Deaggregation factor: 6.71 Prefixes being announced from the AfriNIC address blocks: 1160 Unique aggregates announced from the AfriNIC address blocks: 224 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 23.20 AfriNIC Region origin ASes announcing only one prefix: 30 AfriNIC Region transit ASes present in the Internet Routing Table: 10 Average AfriNIC Region AS path length visible: 2.9 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29 Number of AfriNIC addresses announced to Internet: 2491648 Equivalent to 0 /8s, 38 /16s and 5 /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 600 2170 465 SINET-AS Research Organization of Informa 7497 451 212 25 CSTNET-AS-AP Computer Network Information 1237 194 74 145 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Rese 55824 132 18 19 NKN-CORE-NW NKN Core Network, IN 4538 130 4192 72 ERX-CERNET-BKB China Education and Resear 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha 4621 69 37 10 UNINET-AS-AP UNINET-, TH 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2152 448 507 97 CENIC-2152, US 2920 224 44 45 LACOE, US 668 204 632 173 DNIC-AS-00668, US 376 200 162 149 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 270 162 345 88 AS270, US 18558 140 18 4 NETBLK-RCOEK, US 81 134 517 33 NCREN, US 23024 95 7 21 OCDE, US 21976 87 50 17 NJEDGE-NET, US Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 282 1899 249 DFN Verein zur Foerderung eines Deutschen 786 185 1767 182 JANET Jisc Services Limited, GB 8895 135 24 5 ISU Internet Services Unit ISU, SA 559 114 533 104 SWITCH Peering requests: peering@switch.c 1103 98 2015 84 SURFNET-NL SURFnet, The Netherlands, NL 2614 92 26 72 ROEDUNET, RO 3267 89 27 71 NIKS, RU 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog 553 78 462 78 BELWUE BelWue-Koordination, DE Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 281 180 43 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 11340 109 25 52 Red Universitaria Nacional, CL 271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 61468 51 5 17 CEDIA, EC 2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 4270 45 16 1 Red de Interconexion Universitaria, AR 3596 40 8 4 Universidad Autonoma Metropolitana, MX 28614 38 2 2 Fundacao Universidade Regional de Blumena Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 523 82 3 KENET-AS, KE 2018 378 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 327700 38 16 1 MoRENet, MZ 37215 33 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37074 15 8 2 UG-AS, GH 30983 12 4 2 MARWAN-AS, MA 37661 12 8 4 NRaE1-AS, NG 37501 11 49 6 UOFS, ZA Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 600 2170 465 SINET-AS Research Organization of Informa 36914 523 82 3 KENET-AS, KE 7497 451 212 25 CSTNET-AS-AP Computer Network Information 2152 448 507 97 CENIC-2152, US 2018 378 319 71 TENET-1, ZA 680 282 1899 249 DFN Verein zur Foerderung eines Deutschen 1916 281 180 43 Rede Nacional de Ensino e Pesquisa, BR 2920 224 44 45 LACOE, US 668 204 632 173 DNIC-AS-00668, US 376 200 162 149 RISQ-AS, CA Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 523 520 KENET-AS, KE 7497 451 426 CSTNET-AS-AP Computer Network Information Cente 2152 448 351 CENIC-2152, US 2018 378 307 TENET-1, ZA 1916 281 238 Rede Nacional de Ensino e Pesquisa, BR 5786 198 197 UPRENET, PR 2920 224 179 LACOE, US 58647 180 178 KAGAWAU-AS Kagawa University, JP 18558 140 136 NETBLK-RCOEK, US 8895 135 130 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/GEANT/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65111 PRIVATE 62.40.99.40/29 20965 GEANT The GEANT IP Serv 64500 DOCUMENT 62.40.99.56/32 20965 GEANT The GEANT IP Serv 26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US Complete listing at https://bgp.nsrc.org/REN/GEANT/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 164.160.192.0/21 Origin: 37661 NRaE1-AS, NG 164.160.192.0/21 Transit: 37288 WACREN, SN 202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese 202.46.240.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.240.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese 202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese 203.9.156.0/24 Origin: 1851 ADELAIDE-UNIVERSITY-AS-AP The University 203.9.156.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res Complete listing at https://bgp.nsrc.org/REN/GEANT/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 /11:2 /12:11 /13:18 /14:35 /15:119 /16:2011 /17:429 /18:461 /19:587 /20:871 /21:918 /22:1482 /23:1620 /24:11028 /25:56 /26:69 /27:38 /28:8 /29:14 /30:10 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 502 523 KENET-AS, KE 8895 130 135 ISU Internet Services Unit ISU, SA 1916 70 281 Rede Nacional de Ensino e Pesquisa, BR 2152 43 448 CENIC-2152, US 3267 42 89 NIKS, RU 23024 37 95 OCDE, US 32440 37 64 LONI, US 327700 33 38 MoRENet, MZ 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US Complete listing at https://bgp.nsrc.org/REN/GEANT/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 5:15 6:4 8:2 12:1 14:92 23:5 24:3 31:1 35:3 37:8 38:10 40:1 41:242 42:10 44:5 45:46 46:4 47:1 49:11 50:3 52:1 58:1 59:19 60:6 61:3 62:15 63:33 64:44 65:4 66:42 67:41 68:12 69:19 70:2 71:1 72:7 74:53 76:42 77:10 78:3 79:10 80:15 81:25 82:7 83:7 84:11 85:46 86:10 87:1 89:11 91:44 92:2 93:13 94:2 95:2 96:5 97:1 98:2 101:1 102:13 103:319 104:79 108:8 109:4 111:16 113:2 114:24 116:9 117:61 118:34 119:25 121:27 122:8 123:8 124:42 125:5 128:52 129:37 130:95 131:63 132:65 133:154 134:108 136:198 137:83 138:57 139:6 140:36 141:3 142:52 143:26 144:28 145:2 146:135 147:63 148:194 149:13 150:40 151:9 152:139 153:14 154:37 155:63 156:138 157:26 158:31 159:121 160:30 161:17 162:22 163:61 164:14 165:49 166:1 167:26 168:119 169:7 170:87 172:2 173:7 175:16 177:17 179:13 180:16 181:1 182:9 184:7 185:54 186:3 187:21 188:13 189:3 190:18 191:13 192:1484 193:280 194:145 195:94 196:147 197:316 198:550 199:278 200:331 201:37 202:635 203:437 204:402 205:164 206:210 207:294 208:66 209:138 210:216 211:3 212:168 213:7 214:8 216:89 217:9 218:21 219:5 220:17 222:2 223:15 End of report