Global R&E Routing Table Report 17:15 GMT Sun 31 Oct, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Janet/ Analysis Summary ---------------- BGP routing table entries examined: 18159 Prefixes after maximum aggregation (per Origin AS): 10260 Deaggregation factor: 1.77 Unique aggregates announced (without unneeded subnets): 11450 Total ASes present in the Internet Routing Table: 2700 Prefixes per ASN: 6.73 Origin-only ASes present in the Internet Routing Table: 2330 Origin ASes announcing only one prefix: 1089 Transit ASes present in the Internet Routing Table: 370 Transit-only ASes present in the Internet Routing Table: 48 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 15 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 18 Number of instances of unregistered ASNs: 18 Number of 32-bit ASNs allocated by the RIRs: 37707 Number of 32-bit ASNs visible in the Routing Table: 606 Prefixes from 32-bit ASNs in the Routing Table: 1791 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: 4 Number of addresses announced to Internet: 204309504 Equivalent to 12 /8s, 45 /16s and 132 /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: 99.5 Total number of prefixes smaller than registry allocations: 1835 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4655 Total APNIC prefixes after maximum aggregation: 2317 APNIC Deaggregation factor: 2.01 Prefixes being announced from the APNIC address blocks: 4657 Unique aggregates announced from the APNIC address blocks: 2641 APNIC Region origin ASes present in the Internet Routing Table: 581 APNIC Prefixes per ASN: 8.02 APNIC Region origin ASes announcing only one prefix: 252 APNIC Region transit ASes present in the Internet Routing Table: 61 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 223 Number of APNIC addresses announced to Internet: 46017024 Equivalent to 2 /8s, 190 /16s and 42 /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: 7843 Total ARIN prefixes after maximum aggregation: 4476 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 7869 Unique aggregates announced from the ARIN address blocks: 5056 ARIN Region origin ASes present in the Internet Routing Table: 1192 ARIN Prefixes per ASN: 6.60 ARIN Region origin ASes announcing only one prefix: 435 ARIN Region transit ASes present in the Internet Routing Table: 153 Average ARIN Region AS path length visible: 5.1 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 154 Number of ARIN addresses announced to Internet: 93745664 Equivalent to 5 /8s, 150 /16s and 114 /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: 3307 Total RIPE prefixes after maximum aggregation: 2694 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3293 Unique aggregates announced from the RIPE address blocks: 2681 RIPE Region origin ASes present in the Internet Routing Table: 645 RIPE Prefixes per ASN: 5.11 RIPE Region origin ASes announcing only one prefix: 306 RIPE Region transit ASes present in the Internet Routing Table: 106 Average RIPE Region AS path length visible: 3.8 Max RIPE Region AS path length visible: 14 Number of RIPE region 32-bit ASNs visible in the Routing Table: 124 Number of RIPE addresses announced to Internet: 57817600 Equivalent to 3 /8s, 114 /16s and 58 /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: 1498 Total LACNIC prefixes after maximum aggregation: 610 LACNIC Deaggregation factor: 2.46 Prefixes being announced from the LACNIC address blocks: 1498 Unique aggregates announced from the LACNIC address blocks: 853 LACNIC Region origin ASes present in the Internet Routing Table: 180 LACNIC Prefixes per ASN: 8.32 LACNIC Region origin ASes announcing only one prefix: 73 LACNIC Region transit ASes present in the Internet Routing Table: 25 Average LACNIC Region AS path length visible: 5.8 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 80 Number of LACNIC addresses announced to Internet: 3992576 Equivalent to 0 /8s, 60 /16s and 236 /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: 838 Total AfriNIC prefixes after maximum aggregation: 158 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 838 Unique aggregates announced from the AfriNIC address blocks: 215 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 16.76 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: 4.6 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25 Number of AfriNIC addresses announced to Internet: 2735616 Equivalent to 0 /8s, 41 /16s and 190 /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 610 2157 457 SINET-AS Research Organization of Infor 7497 431 182 24 CSTNET-AS-AP Computer Network Informati 1237 185 74 135 KREONET-AS-KR KISTI, KR 7575 175 329 121 AARNET-AS-AP Australian Academic and Re 4538 173 4192 72 ERX-CERNET-BKB China Education and Rese 58647 164 18 2 KAGAWAU-AS Kagawa University, JP 55824 128 19 22 NKN-CORE-NW NKN Core Network, IN 4621 81 37 10 UNINET-AS-AP UNINET-, TH 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 2697 53 3 32 ERX-ERNET-AS Education and Research Net Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7896 250 51 7 NU-AS, US 376 233 180 157 RISQ-AS, CA 668 210 702 181 DNIC-AS-00668, US 5786 200 16 1 UPRENET, PR 2152 155 507 84 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 2920 109 34 6 LACOE, US 21976 85 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US 3 78 528 13 MIT-GATEWAYS, US Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 276 1998 238 DFN Verein zur Foerderung eines Deutsch 786 185 1772 180 JANET Jisc Services Limited, GB 8895 143 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL 137 81 676 76 ASGARR Consortium GARR, IT 553 72 449 72 BELWUE BelWue-Koordination, DE 2200 67 647 61 FR-RENATER Reseau National de telecommu 2614 59 33 57 ROEDUNET, RO 1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 177 207 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 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo 52286 53 4 31 Columbus Networks Guatemala, GT 19611 44 17 2 Associacao Antonio Vieira - Unisinos, B 4270 42 16 1 Red de Interconexion Universitaria, AR 61468 41 3 15 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 343 319 73 TENET-1, ZA 327687 135 28 3 RENU, UG 36914 99 82 3 KENET-AS, KE 8094 50 48 4 PUKNET, ZA 327700 40 16 1 MoRENet, MZ 37215 33 8 1 MAREN, MW 6879 19 1 12 ENSTINET-, EG 37182 14 8 1 TERNET, TZ 37074 11 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 610 2157 457 SINET-AS Research Organization of Infor 7497 431 182 24 CSTNET-AS-AP Computer Network Informati 2018 343 319 73 TENET-1, ZA 680 276 1998 238 DFN Verein zur Foerderung eines Deutsch 7896 250 51 7 NU-AS, US 376 233 180 157 RISQ-AS, CA 668 210 702 181 DNIC-AS-00668, US 5786 200 16 1 UPRENET, PR 786 185 1772 180 JANET Jisc Services Limited, GB 1237 185 74 135 KREONET-AS-KR KISTI, KR Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 431 407 CSTNET-AS-AP Computer Network Information Cente 2018 343 270 TENET-1, ZA 7896 250 243 NU-AS, US 5786 200 199 UPRENET, PR 58647 164 162 KAGAWAU-AS Kagawa University, JP 8895 143 139 ISU Internet Services Unit ISU, SA 1916 177 136 Associacao Rede Nacional de Ensino e Pesquisa, 18558 137 133 NETBLK-RCOEK, US 327687 135 132 RENU, UG 55824 128 106 NKN-CORE-NW NKN Core Network, IN Complete listing at https://bgp.nsrc.org/REN/Janet/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 14822 UNALLOCATED 140.163.0.0/16 10466 MAGPI, US 14822 UNALLOCATED 140.163.0.0/17 10466 MAGPI, US 14822 UNALLOCATED 140.163.6.0/24 10466 MAGPI, US 14822 UNALLOCATED 140.163.64.0/24 10466 MAGPI, US 14822 UNALLOCATED 140.163.70.0/24 10466 MAGPI, US 14822 UNALLOCATED 140.163.128.0/17 10466 MAGPI, US 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US 396334 UNALLOCATED 205.143.136.0/21 5078 ONENET-AS-1, US 396334 UNALLOCATED 205.143.136.0/24 5078 ONENET-AS-1, US Complete listing at https://bgp.nsrc.org/REN/Janet/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/REN/Janet/data-dsua 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 192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Transit: 20965 GEANT The GEANT IP Service, NL 192.107.242.0/24 Origin: 394784 UNASSIGNED 192.107.242.0/24 Transit: 40831 PHS, US 205.166.145.0/24 Origin: 394784 UNASSIGNED 205.166.145.0/24 Transit: 40831 PHS, US Complete listing at https://bgp.nsrc.org/REN/Janet/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 /13:19 /14:35 /15:123 /16:2001 /17:382 /18:434 /19:560 /20:871 /21:879 /22:1417 /23:1520 /24:9904 /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 8895 138 143 ISU Internet Services Unit ISU, SA 36914 85 99 KENET-AS, KE 23024 53 56 OCDE, US 327700 36 40 MoRENet, MZ 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 43 LONI, US 40326 29 33 ECKERD-COLLEGE, US Complete listing at https://bgp.nsrc.org/REN/Janet/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:5 5:7 6:4 8:2 12:1 14:84 18:41 23:8 24:5 31:6 37:6 38:9 40:1 41:150 42:13 44:5 45:65 46:7 47:1 49:10 50:1 52:1 58:3 59:20 60:4 61:3 62:7 63:34 64:46 66:36 67:43 68:8 69:21 71:1 72:12 74:20 76:32 77:6 78:3 79:10 80:13 81:27 82:4 83:7 84:9 85:33 86:9 87:1 88:1 89:10 91:42 92:1 93:19 94:4 95:4 96:5 97:1 98:2 101:8 102:15 103:308 104:15 106:1 108:8 109:9 110:3 111:20 112:4 114:23 116:5 117:61 118:32 119:20 121:27 122:8 123:8 124:39 125:5 128:83 129:174 130:93 131:88 132:61 133:138 134:99 136:192 137:138 138:8 139:5 140:47 141:2 142:43 143:35 144:54 146:124 147:61 148:159 149:13 150:39 151:5 152:79 153:11 154:24 155:50 156:68 157:25 158:42 159:117 160:25 161:16 162:20 163:63 164:42 165:54 166:2 167:16 168:162 169:10 170:51 172:2 173:2 175:31 176:8 177:10 178:1 179:12 180:21 181:12 182:6 184:3 185:41 186:3 187:18 188:13 189:3 190:54 191:36 192:1344 193:200 194:136 195:62 196:181 197:5 198:469 199:274 200:253 201:38 202:583 203:417 204:349 205:171 206:183 207:169 208:56 209:116 210:181 211:14 212:171 213:4 214:7 216:79 217:14 218:25 219:14 220:16 222:5 223:2 End of report