This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Erdemnet's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 20:20 GMT Sat 05 Mar, 2022 BGP Table (R&E) as seen at Erdemnet. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Erdemnet/ Analysis Summary ---------------- BGP routing table entries examined: 19184 Prefixes after maximum aggregation (per Origin AS): 10729 Deaggregation factor: 1.79 Unique aggregates announced (without unneeded subnets): 12149 Number of IPv4 prefixes with a valid ROA: 4134 Number of IPv4 prefixes with an invalid ROA: 121 Number of IPv4 prefixes with no ROA: 14929 Total ASes present in the Internet Routing Table: 2811 Prefixes per ASN: 6.82 Origin-only ASes present in the Internet Routing Table: 2429 Origin ASes announcing only one prefix: 1123 Transit ASes present in the Internet Routing Table: 382 Transit-only ASes present in the Internet Routing Table: 53 Average AS path length visible in the Internet Routing Table: 6.3 Max AS path length visible: 17 Max AS path prepend of ASN (211089) 11 Prefixes from unregistered ASNs in the Routing Table: 8 Number of instances of unregistered ASNs: 8 Number of 32-bit ASNs allocated by the RIRs: 38730 Number of 32-bit ASNs visible in the Routing Table: 633 Prefixes from 32-bit ASNs in the Routing Table: 1710 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 90 Prefixes being announced from unallocated address space: 40 Number of addresses announced to Internet: 205487956 Equivalent to 12 /8s, 63 /16s and 127 /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: 2175 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5276 Total APNIC prefixes after maximum aggregation: 2530 APNIC Deaggregation factor: 2.09 Prefixes being announced from the APNIC address blocks: 5191 Unique aggregates announced from the APNIC address blocks: 2958 APNIC Region origin ASes present in the Internet Routing Table: 627 APNIC Prefixes per ASN: 8.28 APNIC Region origin ASes announcing only one prefix: 267 APNIC Region transit ASes present in the Internet Routing Table: 70 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 239 Number of APNIC addresses announced to Internet: 46199296 Equivalent to 2 /8s, 192 /16s and 242 /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: 8143 Total ARIN prefixes after maximum aggregation: 4653 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 8160 Unique aggregates announced from the ARIN address blocks: 5292 ARIN Region origin ASes present in the Internet Routing Table: 1230 ARIN Prefixes per ASN: 6.63 ARIN Region origin ASes announcing only one prefix: 449 ARIN Region transit ASes present in the Internet Routing Table: 160 Average ARIN Region AS path length visible: 7.2 Max ARIN Region AS path length visible: 17 Number of ARIN region 32-bit ASNs visible in the Routing Table: 168 Number of ARIN addresses announced to Internet: 94486017 Equivalent to 5 /8s, 161 /16s and 190 /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: 3430 Total RIPE prefixes after maximum aggregation: 2792 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3416 Unique aggregates announced from the RIPE address blocks: 2761 RIPE Region origin ASes present in the Internet Routing Table: 679 RIPE Prefixes per ASN: 5.03 RIPE Region origin ASes announcing only one prefix: 316 RIPE Region transit ASes present in the Internet Routing Table: 101 Average RIPE Region AS path length visible: 6.0 Max RIPE Region AS path length visible: 17 Number of RIPE region 32-bit ASNs visible in the Routing Table: 135 Number of RIPE addresses announced to Internet: 57980416 Equivalent to 3 /8s, 116 /16s and 182 /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: 1410 Total LACNIC prefixes after maximum aggregation: 561 LACNIC Deaggregation factor: 2.51 Prefixes being announced from the LACNIC address blocks: 1408 Unique aggregates announced from the LACNIC address blocks: 758 LACNIC Region origin ASes present in the Internet Routing Table: 164 LACNIC Prefixes per ASN: 8.59 LACNIC Region origin ASes announcing only one prefix: 68 LACNIC Region transit ASes present in the Internet Routing Table: 22 Average LACNIC Region AS path length visible: 8.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64 Number of LACNIC addresses announced to Internet: 4079616 Equivalent to 0 /8s, 62 /16s and 64 /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: 917 Total AfriNIC prefixes after maximum aggregation: 185 AfriNIC Deaggregation factor: 4.96 Prefixes being announced from the AfriNIC address blocks: 917 Unique aggregates announced from the AfriNIC address blocks: 289 AfriNIC Region origin ASes present in the Internet Routing Table: 51 AfriNIC Prefixes per ASN: 17.98 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 14 Average AfriNIC Region AS path length visible: 6.4 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27 Number of AfriNIC addresses announced to Internet: 2738176 Equivalent to 0 /8s, 41 /16s and 200 /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 583 2156 457 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 1237 186 74 135 KREONET-AS-KR KISTI, KR 7575 175 330 122 AARNET-AS-AP Australian Academic and Re 58647 167 18 2 KAGAWAU-AS Kagawa University, JP 17882 162 10 31 ASN-MCS-AP # AS-MCS-AP CONVERTED TO ASN 9934 140 3 86 MICOM-MN-AS Mongolia Telecom, MN 4538 128 4192 72 ERX-CERNET-BKB China Education and Rese 55824 128 19 23 NKN-CORE-NW NKN Core Network, IN 4621 78 37 10 UNINET-AS-AP UNINET-, TH Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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 151 507 91 CSUNET-NW, US 18558 135 18 4 NETBLK-RCOEK, US 23024 114 7 17 OCDE, US 2920 108 34 6 LACOE, US 21976 85 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 278 1950 245 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 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 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL 137 82 677 77 ASGARR Consortium GARR, IT 553 73 449 73 BELWUE BelWue-Koordination, DE 2200 66 647 61 FR-RENATER Reseau National de telecommu 2614 61 30 59 ROEDUNET, RO 1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 174 208 45 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 95 24 54 Red Universitaria Nacional, CL 1251 60 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 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 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 357 319 71 TENET-1, ZA 36914 207 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 40 28 3 RENU, UG 327700 36 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 20 8 1 TERNET, TZ 37074 13 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 583 2156 457 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 357 319 71 TENET-1, ZA 680 278 1950 245 DFN Verein zur Foerderung eines Deutsch 7896 251 51 7 NU-AS, US 668 212 702 180 DNIC-AS-00668, US 36914 207 82 3 KENET-AS, KE 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 786 186 1774 183 JANET Jisc Services Limited, GB Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 432 408 CSTNET-AS-AP Computer Network Information Cente 2018 357 286 TENET-1, ZA 7896 251 244 NU-AS, US 36914 207 204 KENET-AS, KE 5786 200 199 UPRENET, PR 58647 167 165 KAGAWAU-AS Kagawa University, JP 8895 143 139 ISU Internet Services Unit ISU, SA 17882 162 131 ASN-MCS-AP # AS-MCS-AP CONVERTED TO ASN-MCS-AP 18558 135 131 NETBLK-RCOEK, US 1916 174 129 Rede Nacional de Ensino e Pesquisa, BR Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US 65101 PRIVATE 202.21.123.0/24 9484 MOBINET-AS-MN Mobinet LLC. A 65512 PRIVATE 202.126.89.0/24 55805 MOBICOM-AS-MN MobiCom Corpor 65512 PRIVATE 202.126.90.0/24 55805 MOBICOM-AS-MN MobiCom Corpor 65250 PRIVATE 202.126.91.0/24 55805 MOBICOM-AS-MN MobiCom Corpor 395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 10.0.10.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 10.0.30.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 10.10.11.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 10.10.12.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 10.10.13.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 10.10.54.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 10.10.100.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.130.215/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.139.176/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.142.246/32 9934 MICOM-MN-AS Mongolia Telecom, MN Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 172.16.179.112/30 Origin: 9934 MICOM-MN-AS Mongolia Telecom, MN 172.16.179.112/30 Transit: 10076 ASN-ERDEMNET # AS-ERDEMNET CONVERTED TO 172.16.179.148/30 Origin: 9934 MICOM-MN-AS Mongolia Telecom, MN 172.16.179.148/30 Transit: 10076 ASN-ERDEMNET # AS-ERDEMNET CONVERTED TO 172.16.180.0/30 Origin: 9934 MICOM-MN-AS Mongolia Telecom, MN 172.16.180.0/30 Transit: 10076 ASN-ERDEMNET # AS-ERDEMNET CONVERTED TO 172.16.200.0/26 Origin: 9934 MICOM-MN-AS Mongolia Telecom, MN 172.16.200.0/26 Transit: 10076 ASN-ERDEMNET # AS-ERDEMNET CONVERTED TO 172.16.200.72/29 Origin: 9934 MICOM-MN-AS Mongolia Telecom, MN 172.16.200.72/29 Transit: 10076 ASN-ERDEMNET # AS-ERDEMNET CONVERTED TO Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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 /13:17 /14:34 /15:123 /16:2010 /17:389 /18:439 /19:567 /20:881 /21:922 /22:1453 /23:1583 /24:10574 /25:0 /26:2 /27:3 /28:7 /29:7 /30:57 /31:1 /32:100 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 194 207 KENET-AS, KE 8895 138 143 ISU Internet Services Unit ISU, SA 9934 75 140 MICOM-MN-AS Mongolia Telecom, MN 4850 70 71 DIGICOM-AS-AP Digicom LLC, MN 23024 53 114 OCDE, US 17882 47 162 ASN-MCS-AP # AS-MCS-AP CONVERTED TO ASN-MCS-AP 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 327700 32 36 MoRENet, MZ 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4 5:15 6:4 8:2 10:9 12:1 14:84 18:42 23:10 24:3 27:4 31:6 37:6 38:9 40:1 41:131 42:9 43:11 44:5 45:36 46:6 47:1 49:10 50:4 52:1 59:24 60:4 61:3 62:7 63:38 64:73 65:4 66:81 67:44 68:8 69:20 70:2 71:1 72:10 74:20 76:34 77:7 78:3 79:10 80:15 81:28 82:4 83:6 84:9 85:35 86:4 87:1 88:1 89:10 91:43 92:1 93:24 94:4 95:6 96:5 97:1 98:2 101:6 102:13 103:368 104:76 106:1 107:17 108:8 109:10 110:3 111:20 112:19 114:23 116:5 117:61 118:32 119:22 121:27 122:24 123:8 124:39 125:4 128:81 129:178 130:92 131:90 132:58 133:141 134:100 136:193 137:88 138:8 139:9 140:50 141:1 142:41 143:31 144:52 145:2 146:127 147:59 148:192 149:13 150:46 151:6 152:71 153:13 154:26 155:51 156:68 157:26 158:42 159:116 160:25 161:22 162:21 163:64 164:43 165:55 166:1 167:16 168:124 169:10 170:68 171:1 172:5 173:7 175:31 176:8 177:12 179:11 180:21 182:6 184:2 185:39 186:3 187:19 188:13 189:5 190:33 191:33 192:1387 193:265 194:139 195:85 196:153 197:112 198:493 199:284 200:248 201:39 202:791 203:436 204:331 205:169 206:199 207:174 208:70 209:122 210:185 211:13 212:151 213:5 214:7 216:86 217:11 218:26 219:6 220:18 222:5 223:3 End of report