IPv4 R&E Routing Table Report 22:30 GMT Mon 24 Jan, 2022 BGP Table (R&E) as seen at CANARIE. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/CANARIE/ Analysis Summary ---------------- BGP routing table entries examined: 18961 Prefixes after maximum aggregation (per Origin AS): 10717 Deaggregation factor: 1.77 Unique aggregates announced (without unneeded subnets): 11972 Number of IPv4 prefixes with a valid ROA: 3645 Number of IPv4 prefixes with an invalid ROA: 46 Number of IPv4 prefixes with no ROA: 15270 Total ASes present in the Internet Routing Table: 2777 Prefixes per ASN: 6.83 Origin-only ASes present in the Internet Routing Table: 2397 Origin ASes announcing only one prefix: 1104 Transit ASes present in the Internet Routing Table: 380 Transit-only ASes present in the Internet Routing Table: 53 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 14 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 10 Number of instances of unregistered ASNs: 10 Number of 32-bit ASNs allocated by the RIRs: 38382 Number of 32-bit ASNs visible in the Routing Table: 618 Prefixes from 32-bit ASNs in the Routing Table: 1721 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: 208309789 Equivalent to 12 /8s, 106 /16s and 142 /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: 2256 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4641 Total APNIC prefixes after maximum aggregation: 2312 APNIC Deaggregation factor: 2.01 Prefixes being announced from the APNIC address blocks: 4643 Unique aggregates announced from the APNIC address blocks: 2577 APNIC Region origin ASes present in the Internet Routing Table: 564 APNIC Prefixes per ASN: 8.23 APNIC Region origin ASes announcing only one prefix: 248 APNIC Region transit ASes present in the Internet Routing Table: 59 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 216 Number of APNIC addresses announced to Internet: 45951852 Equivalent to 2 /8s, 189 /16s and 43 /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: 8399 Total ARIN prefixes after maximum aggregation: 4833 ARIN Deaggregation factor: 1.74 Prefixes being announced from the ARIN address blocks: 8410 Unique aggregates announced from the ARIN address blocks: 5462 ARIN Region origin ASes present in the Internet Routing Table: 1251 ARIN Prefixes per ASN: 6.72 ARIN Region origin ASes announcing only one prefix: 443 ARIN Region transit ASes present in the Internet Routing Table: 164 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 169 Number of ARIN addresses announced to Internet: 97204849 Equivalent to 5 /8s, 203 /16s and 58 /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: 3421 Total RIPE prefixes after maximum aggregation: 2746 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3406 Unique aggregates announced from the RIPE address blocks: 2774 RIPE Region origin ASes present in the Internet Routing Table: 671 RIPE Prefixes per ASN: 5.08 RIPE Region origin ASes announcing only one prefix: 317 RIPE Region transit ASes present in the Internet Routing Table: 101 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 14 Number of RIPE region 32-bit ASNs visible in the Routing Table: 134 Number of RIPE addresses announced to Internet: 58197952 Equivalent to 3 /8s, 120 /16s and 7 /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: 1579 Total LACNIC prefixes after maximum aggregation: 626 LACNIC Deaggregation factor: 2.52 Prefixes being announced from the LACNIC address blocks: 1589 Unique aggregates announced from the LACNIC address blocks: 861 LACNIC Region origin ASes present in the Internet Routing Table: 179 LACNIC Prefixes per ASN: 8.88 LACNIC Region origin ASes announcing only one prefix: 74 LACNIC Region transit ASes present in the Internet Routing Table: 25 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 11 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 73 Number of LACNIC addresses announced to Internet: 4198528 Equivalent to 0 /8s, 64 /16s and 16 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 911 Total AfriNIC prefixes after maximum aggregation: 190 AfriNIC Deaggregation factor: 4.79 Prefixes being announced from the AfriNIC address blocks: 911 Unique aggregates announced from the AfriNIC address blocks: 296 AfriNIC Region origin ASes present in the Internet Routing Table: 52 AfriNIC Prefixes per ASN: 17.52 AfriNIC Region origin ASes announcing only one prefix: 22 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 2.9 Max AfriNIC Region AS path length visible: 8 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2756096 Equivalent to 0 /8s, 42 /16s and 14 /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 619 2157 458 SINET-AS Research Organization of Infor 7497 431 182 24 CSTNET-AS-AP Computer Network Informati 58647 200 18 2 KAGAWAU-AS Kagawa University, JP 1237 192 74 135 KREONET-AS-KR KISTI, KR 7575 176 330 123 AARNET-AS-AP Australian Academic and Re 55824 130 19 23 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/CANARIE/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7896 251 51 7 NU-AS, US 668 212 702 180 DNIC-AS-00668, US 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 2152 148 507 90 CSUNET-NW, US 18558 136 18 4 NETBLK-RCOEK, US 270 115 289 85 AS270, US 23024 114 7 17 OCDE, US 2920 111 34 6 LACOE, US 21976 87 51 18 NJEDGE-NET, US Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 279 1950 245 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 182 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 58 32 55 ROEDUNET, RO 1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 202 207 42 Rede Nacional de Ensino e Pesquisa, BR 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 58 102 38 Fundacao Carlos Chagas Filho de Amparo 52286 53 4 31 Columbus Networks Guatemala, GT 19611 45 17 2 Associacao Antonio Vieira - Unisinos, B 61468 45 3 15 CEDIA, EC 4270 44 16 1 Red de Interconexion Universitaria, AR 28614 38 2 2 Fundacao Universidade Regional de Blume Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 350 319 74 TENET-1, ZA 36914 205 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 50 48 4 PUKNET, ZA 327700 42 16 1 MoRENet, MZ 327687 37 28 3 RENU, UG 6879 24 2 9 ENSTINET-, EG 37074 13 8 2 UG-AS, GH 37182 12 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 619 2157 458 SINET-AS Research Organization of Infor 7497 431 182 24 CSTNET-AS-AP Computer Network Informati 2018 350 319 74 TENET-1, ZA 680 279 1950 245 DFN Verein zur Foerderung eines Deutsch 7896 251 51 7 NU-AS, US 668 212 702 180 DNIC-AS-00668, US 36914 205 82 3 KENET-AS, KE 376 203 178 152 RISQ-AS, CA 1916 202 207 42 Rede Nacional de Ensino e Pesquisa, BR 5786 200 16 1 UPRENET, PR Complete listing at https://bgp.nsrc.org/REN/CANARIE/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 350 276 TENET-1, ZA 7896 251 244 NU-AS, US 36914 205 202 KENET-AS, KE 5786 200 199 UPRENET, PR 58647 200 198 KAGAWAU-AS Kagawa University, JP 8895 182 178 ISU Internet Services Unit ISU, SA 1916 202 160 Rede Nacional de Ensino e Pesquisa, BR 18558 136 132 NETBLK-RCOEK, US 55824 130 107 NKN-CORE-NW NKN Core Network, IN Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65248 PRIVATE 134.171.169.0/24 11340 Red Universitaria Nacional, 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US 65105 PRIVATE 165.98.16.0/24 27750 Cooperacion Latino Americana 65105 PRIVATE 165.98.18.0/24 27750 Cooperacion Latino Americana 65105 PRIVATE 165.98.43.0/24 27750 Cooperacion Latino Americana 65105 PRIVATE 165.98.90.0/24 27750 Cooperacion Latino Americana 64507 DOCUMENT 170.79.91.8/29 27817 Red Nacional Academica de Te 64663 PRIVATE 181.114.14.0/24 52286 Columbus Networks Guatemala, 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-badAS Prefixes from the Special Purpose Address Registry (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/CANARIE/data-spar 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: 2603 NORDUNET, DK Complete listing at https://bgp.nsrc.org/REN/CANARIE/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 /13:17 /14:36 /15:124 /16:2043 /17:391 /18:440 /19:571 /20:864 /21:903 /22:1425 /23:1550 /24:10229 /25:77 /26:62 /27:59 /28:43 /29:34 /30:25 /31:3 /32:51 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 192 205 KENET-AS, KE 8895 177 182 ISU Internet Services Unit ISU, SA 23024 53 114 OCDE, US 327700 38 42 MoRENet, MZ 58647 34 200 KAGAWAU-AS Kagawa University, JP 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 18632 29 55 VOLCANO-VISION, US 27609 29 45 USC-UNIVERSITY-HOSPITAL, US Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4 5:15 6:4 8:2 12:1 14:85 18:42 23:10 24:3 31:6 37:6 38:9 40:1 41:126 42:8 44:5 45:43 46:6 47:1 49:8 50:4 52:1 59:4 60:4 61:3 62:7 63:38 64:50 65:4 66:50 67:44 68:8 69:20 71:1 72:13 74:20 76:34 77:7 78:3 79:10 80:16 81:28 82:5 83:6 84:5 85:33 86:4 87:1 88:1 89:10 91:45 92:1 93:19 94:4 95:5 96:5 97:1 98:2 101:6 102:13 103:292 104:76 106:1 107:21 108:8 109:10 110:3 111:20 112:4 114:23 116:5 117:61 119:21 121:26 123:8 124:39 125:4 128:86 129:176 130:94 131:84 132:58 133:140 134:101 136:193 137:79 138:8 139:5 140:50 141:2 142:41 143:35 144:52 145:2 146:128 147:60 148:192 149:13 150:36 151:6 152:77 153:11 154:25 155:51 156:67 157:26 158:42 159:116 160:25 161:17 162:21 163:66 164:42 165:55 166:1 167:16 168:162 169:10 170:69 171:1 172:2 173:7 175:31 176:8 177:13 178:1 179:11 180:21 181:12 182:6 184:10 185:42 186:3 187:18 188:13 189:5 190:44 191:33 192:1449 193:239 194:124 195:84 196:149 197:116 198:521 199:283 200:254 201:39 202:607 203:415 204:334 205:163 206:196 207:173 208:63 209:122 210:182 211:13 212:172 213:4 214:7 216:86 217:15 218:25 219:6 220:17 222:5 223:3 End of report