Routing Table Report 21:00 +10GMT Fri 02 Apr, 2021 Report Website: https://bgp.nsrc.org Detailed Analysis: https://bgp.nsrc.org/RA/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 17941 Prefixes after maximum aggregation (per Origin AS): 9956 Deaggregation factor: 1.80 Unique aggregates announced (without unneeded subnets): 11169 Total ASes present in the Internet Routing Table: 2636 Prefixes per ASN: 6.81 Origin-only ASes present in the Internet Routing Table: 2250 Origin ASes announcing only one prefix: 1049 Transit ASes present in the Internet Routing Table: 386 Transit-only ASes present in the Internet Routing Table: 68 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 17 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: 35604 Number of 32-bit ASNs visible in the Routing Table: 541 Prefixes from 32-bit ASNs in the Routing Table: 1574 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 2 Number of addresses announced to Internet: 200170240 Equivalent to 11 /8s, 238 /16s and 91 /24s Percentage of available address space announced: 5.4 Percentage of allocated address space announced: 5.4 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: 2086 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4169 Total APNIC prefixes after maximum aggregation: 1987 APNIC Deaggregation factor: 2.10 Prefixes being announced from the APNIC address blocks: 4161 Unique aggregates announced from the APNIC address blocks: 2268 APNIC Region origin ASes present in the Internet Routing Table: 485 APNIC Prefixes per ASN: 8.58 APNIC Region origin ASes announcing only one prefix: 201 APNIC Region transit ASes present in the Internet Routing Table: 61 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 175 Number of APNIC addresses announced to Internet: 41882112 Equivalent to 2 /8s, 127 /16s and 18 /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: 7818 Total ARIN prefixes after maximum aggregation: 4470 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 7849 Unique aggregates announced from the ARIN address blocks: 5082 ARIN Region origin ASes present in the Internet Routing Table: 1192 ARIN Prefixes per ASN: 6.58 ARIN Region origin ASes announcing only one prefix: 436 ARIN Region transit ASes present in the Internet Routing Table: 161 Average ARIN Region AS path length visible: 3.9 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: 93834752 Equivalent to 5 /8s, 151 /16s and 206 /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: 3324 Total RIPE prefixes after maximum aggregation: 2720 RIPE Deaggregation factor: 1.22 Prefixes being announced from the RIPE address blocks: 3315 Unique aggregates announced from the RIPE address blocks: 2715 RIPE Region origin ASes present in the Internet Routing Table: 667 RIPE Prefixes per ASN: 4.97 RIPE Region origin ASes announcing only one prefix: 320 RIPE Region transit ASes present in the Internet Routing Table: 106 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 17 Number of RIPE region 32-bit ASNs visible in the Routing Table: 127 Number of RIPE addresses announced to Internet: 57582080 Equivalent to 3 /8s, 110 /16s and 162 /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: 1394 Total LACNIC prefixes after maximum aggregation: 576 LACNIC Deaggregation factor: 2.42 Prefixes being announced from the LACNIC address blocks: 1393 Unique aggregates announced from the LACNIC address blocks: 803 LACNIC Region origin ASes present in the Internet Routing Table: 173 LACNIC Prefixes per ASN: 8.05 LACNIC Region origin ASes announcing only one prefix: 71 LACNIC Region transit ASes present in the Internet Routing Table: 27 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 73 Number of LACNIC addresses announced to Internet: 4175872 Equivalent to 0 /8s, 63 /16s and 184 /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: 1221 Total AfriNIC prefixes after maximum aggregation: 189 AfriNIC Deaggregation factor: 6.46 Prefixes being announced from the AfriNIC address blocks: 1221 Unique aggregates announced from the AfriNIC address blocks: 299 AfriNIC Region origin ASes present in the Internet Routing Table: 48 AfriNIC Prefixes per ASN: 25.44 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 8 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 22 Number of AfriNIC addresses announced to Internet: 2694912 Equivalent to 0 /8s, 41 /16s and 31 /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 609 2157 457 SINET-AS Research Organization of Infor 7497 451 245 41 CSTNET-AS-AP Computer Network Informati 1237 184 75 132 KREONET-AS-KR KISTI, KR 58647 164 18 2 KAGAWAU-AS Kagawa University, JP 55824 128 19 22 NKN-CORE-NW NKN Core Network, IN 4538 123 4192 72 ERX-CERNET-BKB China Education and Rese 4621 82 37 10 UNINET-AS-AP UNINET-, TH 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 1659 57 1450 34 ERX-TANET-ASN1 Taiwan Academic Network 24151 55 4 21 CNNIC-CRITICAL-AP China Internet Networ Complete listing at https://bgp.nsrc.org/RA/AARNET/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 668 207 702 178 DNIC-AS-00668, US 5786 200 16 1 UPRENET, PR 2152 158 507 91 CSUNET-NW, US 18558 134 18 4 NETBLK-RCOEK, US 2920 109 34 6 LACOE, US 21976 86 51 18 NJEDGE-NET, US 22742 85 61 44 CT-EDU-NET, US 1736 80 16 1 MU-AS, US Complete listing at https://bgp.nsrc.org/RA/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 273 1996 235 DFN Verein zur Foerderung eines Deutsch 786 187 1787 185 JANET Jisc Services Limited, GB 8895 139 24 4 ISU Internet Services Unit (ISU), SA 559 116 550 107 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 66 615 61 FR-RENATER Reseau National de telecommu 2614 62 32 59 ROEDUNET, RO 1930 56 82 51 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/RA/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 177 215 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 4270 46 16 1 Red de Interconexion Universitaria, AR 19611 44 17 2 Associacao Antonio Vieira - Unisinos, B 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/RA/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 391 82 3 KENET-AS, KE 2018 324 319 74 TENET-1, ZA 327687 132 28 3 RENU, UG 327700 82 16 1 MoRENet, MZ 2561 74 5 34 EUN, EG 8094 55 48 4 PUKNET, ZA 37215 25 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37182 20 8 1 TERNET, TZ 37074 11 8 2 UG-AS, GH Complete listing at https://bgp.nsrc.org/RA/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 609 2157 457 SINET-AS Research Organization of Infor 7497 451 245 41 CSTNET-AS-AP Computer Network Informati 36914 391 82 3 KENET-AS, KE 2018 324 319 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 668 207 702 178 DNIC-AS-00668, US 5786 200 16 1 UPRENET, PR 786 187 1787 185 JANET Jisc Services Limited, GB Complete listing at https://bgp.nsrc.org/RA/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 451 410 CSTNET-AS-AP Computer Network Information Cente 36914 391 388 KENET-AS, KE 7896 261 254 NU-AS, US 2018 324 250 TENET-1, ZA 5786 200 199 UPRENET, PR 58647 164 162 KAGAWAU-AS Kagawa University, JP 1916 177 136 Associacao Rede Nacional de Ensino e Pesquisa, 8895 139 135 ISU Internet Services Unit (ISU), SA 18558 134 130 NETBLK-RCOEK, US 327687 132 129 RENU, UG Complete listing at https://bgp.nsrc.org/RA/AARNET/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/RA/AARNET/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/RA/AARNET/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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: 11537 INTERNET2-RESEARCH-EDU, US Complete listing at https://bgp.nsrc.org/RA/AARNET/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 /15:117 /16:1947 /17:377 /18:410 /19:562 /20:866 /21:913 /22:1367 /23:1453 /24:9862 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 365 391 KENET-AS, KE 8895 134 139 ISU Internet Services Unit (ISU), SA 327700 76 82 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 40326 29 33 ECKERD-COLLEGE, US Complete listing at https://bgp.nsrc.org/RA/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4 5:15 6:4 8:2 12:1 14:84 18:41 23:6 24:6 31:6 37:6 38:9 40:1 41:280 42:24 44:5 45:59 46:7 47:7 49:10 50:1 52:1 58:1 59:20 60:4 61:4 62:6 63:34 64:46 65:2 66:29 67:44 68:8 69:17 71:1 72:14 74:18 76:32 77:4 78:3 79:10 80:14 81:33 82:4 83:7 84:7 85:35 86:9 87:1 88:1 89:10 91:46 92:1 93:13 94:4 95:4 96:5 97:1 98:2 101:6 102:5 103:247 104:14 106:1 108:8 109:7 110:3 111:16 112:4 114:23 115:1 116:6 117:63 118:35 119:18 121:28 122:9 123:8 124:40 125:13 128:47 129:220 130:88 131:95 132:52 133:137 134:88 136:191 137:146 138:6 139:5 140:47 141:2 142:44 143:31 144:67 146:123 147:64 148:159 149:13 150:33 151:5 152:71 153:11 154:24 155:50 156:62 157:25 158:44 159:114 160:26 161:16 162:18 163:64 164:39 165:14 166:1 167:15 168:120 169:9 170:51 171:1 172:1 173:2 175:32 176:8 177:7 178:1 179:12 180:16 182:2 184:7 185:40 186:3 187:18 188:13 189:6 190:43 191:35 192:1294 193:248 194:140 195:99 196:168 197:185 198:476 199:272 200:250 201:39 202:576 203:252 204:349 205:174 206:187 207:172 208:55 209:112 210:173 211:14 212:159 213:4 214:7 216:66 217:16 218:26 219:8 220:24 222:4 223:1 End of report