Global R&E Routing Table Report 11:15 GMT Tue 13 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/GEANT/ Analysis Summary ---------------- BGP routing table entries examined: 19477 Prefixes after maximum aggregation (per Origin AS): 10578 Deaggregation factor: 1.84 Unique aggregates announced (without unneeded subnets): 11831 Total ASes present in the Internet Routing Table: 2739 Prefixes per ASN: 7.11 Origin-only ASes present in the Internet Routing Table: 2352 Origin ASes announcing only one prefix: 1090 Transit ASes present in the Internet Routing Table: 387 Transit-only ASes present in the Internet Routing Table: 60 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 14 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 15 Number of instances of unregistered ASNs: 15 Number of 32-bit ASNs allocated by the RIRs: 35676 Number of 32-bit ASNs visible in the Routing Table: 586 Prefixes from 32-bit ASNs in the Routing Table: 1699 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 31 Prefixes being announced from unallocated address space: 22 Number of addresses announced to Internet: 207749182 Equivalent to 12 /8s, 98 /16s and 0 /24s Percentage of available address space announced: 5.6 Percentage of allocated address space announced: 5.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 2835 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4706 Total APNIC prefixes after maximum aggregation: 2348 APNIC Deaggregation factor: 2.00 Prefixes being announced from the APNIC address blocks: 4715 Unique aggregates announced from the APNIC address blocks: 2685 APNIC Region origin ASes present in the Internet Routing Table: 568 APNIC Prefixes per ASN: 8.30 APNIC Region origin ASes announcing only one prefix: 247 APNIC Region transit ASes present in the Internet Routing Table: 64 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 215 Number of APNIC addresses announced to Internet: 46452800 Equivalent to 2 /8s, 196 /16s and 208 /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, 131072-143673 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: 8071 Total ARIN prefixes after maximum aggregation: 4620 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 8100 Unique aggregates announced from the ARIN address blocks: 5225 ARIN Region origin ASes present in the Internet Routing Table: 1208 ARIN Prefixes per ASN: 6.71 ARIN Region origin ASes announcing only one prefix: 431 ARIN Region transit ASes present in the Internet Routing Table: 161 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 144 Number of ARIN addresses announced to Internet: 96395540 Equivalent to 5 /8s, 190 /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, 393216-401308 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: 4019 Total RIPE prefixes after maximum aggregation: 2828 RIPE Deaggregation factor: 1.42 Prefixes being announced from the RIPE address blocks: 3966 Unique aggregates announced from the RIPE address blocks: 2786 RIPE Region origin ASes present in the Internet Routing Table: 675 RIPE Prefixes per ASN: 5.88 RIPE Region origin ASes announcing only one prefix: 317 RIPE Region transit ASes present in the Internet Routing Table: 109 Average RIPE Region AS path length visible: 2.6 Max RIPE Region AS path length visible: 13 Number of RIPE region 32-bit ASNs visible in the Routing Table: 128 Number of RIPE addresses announced to Internet: 58068176 Equivalent to 3 /8s, 118 /16s and 12 /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: 1414 Total LACNIC prefixes after maximum aggregation: 577 LACNIC Deaggregation factor: 2.45 Prefixes being announced from the LACNIC address blocks: 1412 Unique aggregates announced from the LACNIC address blocks: 803 LACNIC Region origin ASes present in the Internet Routing Table: 175 LACNIC Prefixes per ASN: 8.07 LACNIC Region origin ASes announcing only one prefix: 72 LACNIC Region transit ASes present in the Internet Routing Table: 27 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 75 Number of LACNIC addresses announced to Internet: 4118720 Equivalent to 0 /8s, 62 /16s and 216 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 1252 Total AfriNIC prefixes after maximum aggregation: 191 AfriNIC Deaggregation factor: 6.55 Prefixes being announced from the AfriNIC address blocks: 1252 Unique aggregates announced from the AfriNIC address blocks: 301 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 25.04 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 6 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24 Number of AfriNIC addresses announced to Internet: 2711296 Equivalent to 0 /8s, 41 /16s and 95 /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 620 2156 457 SINET-AS Research Organization of Infor 7497 443 233 33 CSTNET-AS-AP Computer Network Informati 1237 187 75 132 KREONET-AS-KR KISTI, KR 7575 186 347 132 AARNET-AS-AP Australian Academic and Re 58647 176 18 2 KAGAWAU-AS Kagawa University, JP 4538 158 4192 72 ERX-CERNET-BKB China Education and Rese 55824 127 18 21 NKN-CORE-NW NKN Core Network, IN 4621 82 37 10 UNINET-AS-AP UNINET-, TH 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 1659 55 1450 34 ERX-TANET-ASN1 Taiwan Academic Network 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 7896 261 51 7 NU-AS, US 376 236 180 158 RISQ-AS, CA 668 209 718 175 DNIC-AS-00668, US 5786 201 16 1 UPRENET, PR 2152 155 506 88 CSUNET-NW, US 18558 134 18 4 NETBLK-RCOEK, US 270 118 297 88 AS270, US 2920 112 34 6 LACOE, US 21976 86 51 18 NJEDGE-NET, US 22742 84 61 45 CT-EDU-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 20965 590 3 65 GEANT The GEANT IP Service, NL 680 273 1996 235 DFN Verein zur Foerderung eines Deutsch 786 187 1787 185 JANET Jisc Services Limited, GB 8895 173 24 4 ISU Internet Services Unit (ISU), SA 559 115 550 106 SWITCH Peering requests: (peering@switc 1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL 137 82 677 77 ASGARR Consortium GARR, IT 553 72 449 72 BELWUE BelWue-Koordination, DE 2200 68 647 62 FR-RENATER Reseau National de telecommu 2614 62 32 59 ROEDUNET, RO 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 196 215 41 Associacao Rede Nacional de Ensino e Pe 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 94 24 54 Red Universitaria Nacional, CL 1251 67 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo 19611 45 17 2 Associacao Antonio Vieira - Unisinos, B 4270 44 16 1 Red de Interconexion Universitaria, AR 61468 41 3 15 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 28571 37 26 15 UNIVERSIDADE DE SAO PAULO, BR 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 410 82 3 KENET-AS, KE 2018 325 319 74 TENET-1, ZA 327687 132 28 3 RENU, UG 327700 86 16 1 MoRENet, MZ 2561 74 5 34 EUN, EG 8094 55 48 4 PUKNET, ZA 37215 29 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37182 21 8 1 TERNET, TZ 37074 11 8 2 UG-AS, GH 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 620 2156 457 SINET-AS Research Organization of Infor 20965 590 3 65 GEANT The GEANT IP Service, NL 7497 443 233 33 CSTNET-AS-AP Computer Network Informati 36914 410 82 3 KENET-AS, KE 2018 325 319 74 TENET-1, ZA 680 273 1996 235 DFN Verein zur Foerderung eines Deutsch 7896 261 51 7 NU-AS, US 376 236 180 158 RISQ-AS, CA 668 209 718 175 DNIC-AS-00668, US 5786 201 16 1 UPRENET, PR Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 20965 590 525 GEANT The GEANT IP Service, NL 7497 443 410 CSTNET-AS-AP Computer Network Information Cente 36914 410 407 KENET-AS, KE 7896 261 254 NU-AS, US 2018 325 251 TENET-1, ZA 5786 201 200 UPRENET, PR 58647 176 174 KAGAWAU-AS Kagawa University, JP 8895 173 169 ISU Internet Services Unit (ISU), SA 1916 196 155 Associacao Rede Nacional de Ensino e Pesquisa, 18558 134 130 NETBLK-RCOEK, US 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 36843 UNALLOCATED 64.56.80.0/23 11096 FLORIDANET, US 19658 UNALLOCATED 65.205.131.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 108.59.20.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 108.59.23.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 131.91.183.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 131.91.252.0/22 11096 FLORIDANET, US 36843 UNALLOCATED 146.201.218.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 146.201.219.0/24 11096 FLORIDANET, US 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 36843 UNALLOCATED 162.223.23.0/24 11096 FLORIDANET, US Complete listing at https://bgp.nsrc.org/REN/GEANT/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 0.0.0.0/0 20965 GEANT The GEANT IP Service, NL 10.0.0.4/31 20965 GEANT The GEANT IP Service, NL 10.0.101.100/30 20965 GEANT The GEANT IP Service, NL 10.1.62.0/30 20965 GEANT The GEANT IP Service, NL 10.1.63.0/30 20965 GEANT The GEANT IP Service, NL 10.10.10.0/30 20965 GEANT The GEANT IP Service, NL 10.10.10.10/32 20965 GEANT The GEANT IP Service, NL 10.11.12.0/24 20965 GEANT The GEANT IP Service, NL 10.150.150.0/29 20965 GEANT The GEANT IP Service, NL 10.151.151.0/29 20965 GEANT The GEANT IP Service, NL Complete listing at https://bgp.nsrc.org/REN/GEANT/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 172.16.14.0/24 Origin: 20965 GEANT The GEANT IP Service, NL Transit: 0 UNALLOCATED 192.31.196.0/24 Origin: 112 UNASSIGNED Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL Transit: 20965 GEANT The GEANT IP Service, NL 192.168.5.0/24 Origin: 20965 GEANT The GEANT IP Service, NL Transit: 0 UNALLOCATED 192.168.8.1/32 Origin: 20965 GEANT The GEANT IP Service, NL Transit: 0 UNALLOCATED Complete listing at https://bgp.nsrc.org/REN/GEANT/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:1 /10:2 /11:1 /12:10 /13:19 /14:37 /15:118 /16:2043 /17:389 /18:420 /19:586 /20:880 /21:929 /22:1406 /23:1504 /24:10342 /25:78 /26:59 /27:57 /28:13 /29:46 /30:157 /31:291 /32:88 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 20965 564 590 GEANT The GEANT IP Service, NL 36914 384 410 KENET-AS, KE 8895 168 173 ISU Internet Services Unit (ISU), SA 327700 80 86 MoRENet, MZ 23024 53 56 OCDE, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 32440 29 44 LONI, US Complete listing at https://bgp.nsrc.org/REN/GEANT/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4 5:15 6:4 8:2 10:1 12:1 14:84 18:41 23:5 24:5 31:6 37:6 38:9 40:1 41:294 42:28 44:5 45:57 46:7 47:1 49:10 50:1 52:1 58:4 59:20 60:4 61:4 62:12 63:34 64:46 65:2 66:29 67:44 68:8 69:17 71:1 72:11 74:18 76:32 77:4 78:3 79:10 80:14 81:33 82:3 83:7 84:5 85:35 86:9 87:1 88:1 89:10 91:48 92:1 93:13 94:4 95:4 96:5 97:1 98:2 101:7 102:7 103:294 104:14 106:1 108:8 109:8 110:3 111:16 112:4 114:23 115:1 116:6 117:63 118:35 119:18 121:30 122:9 123:8 124:40 125:13 128:77 129:220 130:91 131:99 132:58 133:137 134:88 136:192 137:145 138:13 139:5 140:45 141:2 142:43 143:35 144:67 146:125 147:64 148:158 149:13 150:36 151:5 152:77 153:11 154:24 155:53 156:65 157:25 158:44 159:114 160:26 161:15 162:18 163:63 164:39 165:14 166:1 167:15 168:120 169:9 170:50 172:2 173:2 175:32 176:8 177:7 178:1 179:12 180:21 182:5 184:3 185:40 186:3 187:17 188:13 189:6 190:43 191:35 192:1435 193:249 194:142 195:100 196:170 197:199 198:489 199:274 200:247 201:38 202:594 203:403 204:345 205:179 206:185 207:168 208:55 209:113 210:170 211:14 212:166 213:4 214:7 216:65 217:16 218:26 219:14 220:24 222:4 223:1 End of report