Global R&E Routing Table Report 22:00 GMT Mon 08 Nov, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Internet2/ Analysis Summary ---------------- BGP routing table entries examined: 21886 Prefixes after maximum aggregation (per Origin AS): 11951 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 14199 Total ASes present in the Internet Routing Table: 2711 Prefixes per ASN: 8.07 Origin-only ASes present in the Internet Routing Table: 2340 Origin ASes announcing only one prefix: 1079 Transit ASes present in the Internet Routing Table: 371 Transit-only ASes present in the Internet Routing Table: 51 Average AS path length visible in the Internet Routing Table: 3.3 Max AS path length visible: 14 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 19 Number of instances of unregistered ASNs: 19 Number of 32-bit ASNs allocated by the RIRs: 37784 Number of 32-bit ASNs visible in the Routing Table: 593 Prefixes from 32-bit ASNs in the Routing Table: 1741 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: 7 Number of addresses announced to Internet: 242573912 Equivalent to 14 /8s, 117 /16s and 98 /24s Percentage of available address space announced: 6.6 Percentage of allocated address space announced: 6.6 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: 2908 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4722 Total APNIC prefixes after maximum aggregation: 2330 APNIC Deaggregation factor: 2.03 Prefixes being announced from the APNIC address blocks: 4767 Unique aggregates announced from the APNIC address blocks: 2690 APNIC Region origin ASes present in the Internet Routing Table: 581 APNIC Prefixes per ASN: 8.20 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: 4.0 Max APNIC Region AS path length visible: 12 Number of APNIC region 32-bit ASNs visible in the Routing Table: 224 Number of APNIC addresses announced to Internet: 46032192 Equivalent to 2 /8s, 190 /16s and 101 /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: 11583 Total ARIN prefixes after maximum aggregation: 6195 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 11501 Unique aggregates announced from the ARIN address blocks: 7685 ARIN Region origin ASes present in the Internet Routing Table: 1221 ARIN Prefixes per ASN: 9.42 ARIN Region origin ASes announcing only one prefix: 431 ARIN Region transit ASes present in the Internet Routing Table: 160 Average ARIN Region AS path length visible: 3.0 Max ARIN Region AS path length visible: 13 Number of ARIN region 32-bit ASNs visible in the Routing Table: 157 Number of ARIN addresses announced to Internet: 131885624 Equivalent to 7 /8s, 220 /16s and 106 /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: 3423 Total RIPE prefixes after maximum aggregation: 2748 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3469 Unique aggregates announced from the RIPE address blocks: 2848 RIPE Region origin ASes present in the Internet Routing Table: 670 RIPE Prefixes per ASN: 5.18 RIPE Region origin ASes announcing only one prefix: 321 RIPE Region transit ASes present in the Internet Routing Table: 104 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 14 Number of RIPE region 32-bit ASNs visible in the Routing Table: 130 Number of RIPE addresses announced to Internet: 58138304 Equivalent to 3 /8s, 119 /16s and 30 /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: 1238 Total LACNIC prefixes after maximum aggregation: 487 LACNIC Deaggregation factor: 2.54 Prefixes being announced from the LACNIC address blocks: 1241 Unique aggregates announced from the LACNIC address blocks: 678 LACNIC Region origin ASes present in the Internet Routing Table: 135 LACNIC Prefixes per ASN: 9.19 LACNIC Region origin ASes announcing only one prefix: 59 LACNIC Region transit ASes present in the Internet Routing Table: 18 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: 57 Number of LACNIC addresses announced to Internet: 3801376 Equivalent to 0 /8s, 58 /16s and 1 /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: 901 Total AfriNIC prefixes after maximum aggregation: 185 AfriNIC Deaggregation factor: 4.87 Prefixes being announced from the AfriNIC address blocks: 901 Unique aggregates announced from the AfriNIC address blocks: 291 AfriNIC Region origin ASes present in the Internet Routing Table: 48 AfriNIC Prefixes per ASN: 18.77 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 3.1 Max AfriNIC Region AS path length visible: 9 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25 Number of AfriNIC addresses announced to Internet: 2714624 Equivalent to 0 /8s, 41 /16s and 108 /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 622 2157 458 SINET-AS Research Organization of Infor 7497 430 182 24 CSTNET-AS-AP Computer Network Informati 1237 188 74 135 KREONET-AS-KR KISTI, KR 7575 176 329 122 AARNET-AS-AP Australian Academic and Re 58647 176 18 2 KAGAWAU-AS Kagawa University, JP 55824 128 19 22 NKN-CORE-NW NKN Core Network, IN 4538 127 4192 72 ERX-CERNET-BKB China Education and Rese 4621 80 37 10 UNINET-AS-AP UNINET-, TH 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 2680 4480 993 AMAZON-02, US 14618 541 3985 412 AMAZON-AES, US 7896 250 51 7 NU-AS, US 668 211 702 182 DNIC-AS-00668, US 376 205 179 154 RISQ-AS, CA 5786 201 16 1 UPRENET, PR 2152 157 507 85 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 1 120 1 41 LVLT-1, US 270 119 329 88 AS270, US Complete listing at https://bgp.nsrc.org/REN/Internet2/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 786 186 1774 183 JANET Jisc Services Limited, GB 8895 177 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 82 677 77 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/Internet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 204 207 42 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 19611 45 17 2 Associacao Antonio Vieira - Unisinos, B 61468 45 3 15 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 28571 37 26 15 UNIVERSIDADE DE SAO PAULO, BR 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 340 319 73 TENET-1, ZA 327687 138 28 3 RENU, UG 36914 99 82 3 KENET-AS, KE 2561 73 5 32 EUN, EG 8094 50 48 4 PUKNET, ZA 327700 41 16 1 MoRENet, MZ 37215 33 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37074 11 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 2680 4480 993 AMAZON-02, US 2907 622 2157 458 SINET-AS Research Organization of Infor 14618 541 3985 412 AMAZON-AES, US 7497 430 182 24 CSTNET-AS-AP Computer Network Informati 2018 340 319 73 TENET-1, ZA 680 276 1998 238 DFN Verein zur Foerderung eines Deutsch 7896 250 51 7 NU-AS, US 668 211 702 182 DNIC-AS-00668, US 376 205 179 154 RISQ-AS, CA 1916 204 207 42 Associacao Rede Nacional de Ensino e Pe Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 430 406 CSTNET-AS-AP Computer Network Information Cente 2018 340 267 TENET-1, ZA 7896 250 243 NU-AS, US 5786 201 200 UPRENET, PR 58647 176 174 KAGAWAU-AS Kagawa University, JP 8895 177 173 ISU Internet Services Unit ISU, SA 2907 622 164 SINET-AS Research Organization of Information a 1916 204 162 Associacao Rede Nacional de Ensino e Pesquisa, 327687 138 135 RENU, UG 18558 137 133 NETBLK-RCOEK, US Complete listing at https://bgp.nsrc.org/REN/Internet2/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 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US 396334 UNALLOCATED 205.143.136.0/21 5078 ONENET-AS-1, US Complete listing at https://bgp.nsrc.org/REN/Internet2/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/Internet2/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 103.151.24.0/24 Origin: 16509 AMAZON-02, US 103.151.24.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US 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: 11537 INTERNET2-RESEARCH-EDU, US 192.107.242.0/24 Origin: 394784 UNASSIGNED 192.107.242.0/24 Transit: 40831 PHS, US 198.135.168.0/24 Origin: 14618 AMAZON-AES, US 198.135.168.0/24 Transit: 16509 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Internet2/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 /11:3 /12:17 /13:25 /14:60 /15:173 /16:2093 /17:444 /18:462 /19:595 /20:960 /21:977 /22:1550 /23:1703 /24:12499 /25:80 /26:68 /27:124 /28:1 /29:49 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 706 2680 AMAZON-02, US 14618 178 541 AMAZON-AES, US 8895 172 177 ISU Internet Services Unit ISU, SA 36914 85 99 KENET-AS, KE 23024 53 56 OCDE, US 1 35 120 LVLT-1, US 327700 35 41 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 Complete listing at https://bgp.nsrc.org/REN/Internet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:5 3:79 4:2 5:16 6:4 8:2 12:1 13:165 14:84 15:33 16:2 18:44 23:34 24:3 31:6 37:6 38:9 40:1 41:136 42:8 44:5 45:45 46:8 47:1 49:10 50:6 52:666 54:175 58:1 59:20 60:4 61:3 62:7 63:38 64:125 65:5 66:54 67:60 68:18 69:47 70:9 71:17 72:17 74:40 75:128 76:164 77:8 78:3 79:10 80:17 81:27 82:6 83:7 84:9 85:37 86:9 87:1 88:1 89:12 91:54 92:1 93:19 94:4 95:5 96:6 97:1 98:11 99:181 101:6 102:16 103:330 104:47 106:1 107:8 108:19 109:11 110:3 111:20 112:4 114:23 116:5 117:61 118:32 119:20 121:26 122:11 123:8 124:39 125:5 128:83 129:181 130:119 131:93 132:61 133:138 134:101 135:1 136:204 137:154 138:9 139:16 140:50 141:3 142:61 143:33 144:70 146:126 147:80 148:167 149:20 150:39 151:7 152:79 153:11 154:23 155:59 156:70 157:29 158:45 159:120 160:32 161:20 162:51 163:70 164:52 165:61 166:1 167:22 168:144 169:10 170:56 171:1 172:10 173:15 174:1 175:31 176:12 177:10 178:3 179:11 180:21 182:6 184:4 185:55 186:3 187:18 188:14 189:3 190:18 191:33 192:1486 193:259 194:123 195:87 196:178 197:5 198:505 199:310 200:208 201:39 202:637 203:427 204:347 205:199 206:204 207:191 208:83 209:134 210:184 211:14 212:172 213:13 214:7 216:139 217:14 218:25 219:8 220:17 222:5 223:2 End of report