IPv4 R&E Routing Table Report 20:20 GMT Mon 18 Apr, 2022 IPv4 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: 18749 Prefixes after maximum aggregation (per Origin AS): 10672 Deaggregation factor: 1.76 Unique aggregates announced (without unneeded subnets): 12066 Number of IPv4 prefixes with a valid ROA: 4130 Number of IPv4 prefixes with an invalid ROA: 123 Number of IPv4 prefixes with no ROA: 14496 Total ASes present in the Internet Routing Table: 2779 Prefixes per ASN: 6.75 Origin-only ASes present in the Internet Routing Table: 2387 Origin ASes announcing only one prefix: 1104 Transit ASes present in the Internet Routing Table: 392 Transit-only ASes present in the Internet Routing Table: 60 Average AS path length visible in the Internet Routing Table: 6.3 Max AS path length visible: 21 Max AS path prepend of ASN (211089) 11 Prefixes from unregistered ASNs in the Routing Table: 14 Number of instances of unregistered ASNs: 14 Number of 32-bit ASNs allocated by the RIRs: 39125 Number of 32-bit ASNs visible in the Routing Table: 620 Prefixes from 32-bit ASNs in the Routing Table: 1670 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 107 Prefixes being announced from unallocated address space: 48 Number of addresses announced to Internet: 205308779 Equivalent to 12 /8s, 60 /16s and 195 /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: 99.6 Total number of prefixes smaller than registry allocations: 2150 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5260 Total APNIC prefixes after maximum aggregation: 2512 APNIC Deaggregation factor: 2.09 Prefixes being announced from the APNIC address blocks: 5158 Unique aggregates announced from the APNIC address blocks: 2929 APNIC Region origin ASes present in the Internet Routing Table: 626 APNIC Prefixes per ASN: 8.24 APNIC Region origin ASes announcing only one prefix: 268 APNIC Region transit ASes present in the Internet Routing Table: 76 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 240 Number of APNIC addresses announced to Internet: 46119168 Equivalent to 2 /8s, 191 /16s and 185 /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: 7911 Total ARIN prefixes after maximum aggregation: 4662 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 7934 Unique aggregates announced from the ARIN address blocks: 5300 ARIN Region origin ASes present in the Internet Routing Table: 1237 ARIN Prefixes per ASN: 6.41 ARIN Region origin ASes announcing only one prefix: 453 ARIN Region transit ASes present in the Internet Routing Table: 162 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: 174 Number of ARIN addresses announced to Internet: 94588673 Equivalent to 5 /8s, 163 /16s and 79 /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: 3494 Total RIPE prefixes after maximum aggregation: 2836 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3480 Unique aggregates announced from the RIPE address blocks: 2807 RIPE Region origin ASes present in the Internet Routing Table: 674 RIPE Prefixes per ASN: 5.16 RIPE Region origin ASes announcing only one prefix: 308 RIPE Region transit ASes present in the Internet Routing Table: 102 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: 134 Number of RIPE addresses announced to Internet: 57939968 Equivalent to 3 /8s, 116 /16s and 24 /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: 1150 Total LACNIC prefixes after maximum aggregation: 459 LACNIC Deaggregation factor: 2.51 Prefixes being announced from the LACNIC address blocks: 1147 Unique aggregates announced from the LACNIC address blocks: 635 LACNIC Region origin ASes present in the Internet Routing Table: 123 LACNIC Prefixes per ASN: 9.33 LACNIC Region origin ASes announcing only one prefix: 52 LACNIC Region transit ASes present in the Internet Routing Table: 20 Average LACNIC Region AS path length visible: 8.2 Max LACNIC Region AS path length visible: 16 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 47 Number of LACNIC addresses announced to Internet: 3932928 Equivalent to 0 /8s, 60 /16s and 3 /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: 920 Total AfriNIC prefixes after maximum aggregation: 189 AfriNIC Deaggregation factor: 4.87 Prefixes being announced from the AfriNIC address blocks: 920 Unique aggregates announced from the AfriNIC address blocks: 286 AfriNIC Region origin ASes present in the Internet Routing Table: 49 AfriNIC Prefixes per ASN: 18.78 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 12 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: 25 Number of AfriNIC addresses announced to Internet: 2713856 Equivalent to 0 /8s, 41 /16s and 105 /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 578 2092 455 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 176 330 123 AARNET-AS-AP Australian Academic and Re 58647 167 18 2 KAGAWAU-AS Kagawa University, JP 17882 163 10 32 ASN-MCS-AP # AS-MCS-AP CONVERTED TO ASN 9934 159 4 103 MICOM-MN-AS Mongolia Telecom, MN 4538 129 4192 73 ERX-CERNET-BKB China Education and Rese 55824 115 18 11 NKN-CORE-NW NKN Core Network, IN 4621 79 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 668 210 702 178 DNIC-AS-00668, US 376 202 178 151 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 2152 153 507 91 CSUNET-NW, US 18558 135 18 4 NETBLK-RCOEK, US 23024 114 7 17 OCDE, US 2920 107 34 6 LACOE, US 21976 85 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US 3477 78 71 47 NOAA-NWAVE, 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 680 279 1967 245 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 138 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 2614 95 27 75 ROEDUNET, RO 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 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 157 208 45 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 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 28614 38 2 2 Fundacao Universidade Regional de Blume 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA 28571 35 26 15 UNIVERSIDADE DE SAO PAULO, BR 3596 33 2 2 Universidad Autonoma Metropolitana, MX 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 373 319 74 TENET-1, ZA 36914 210 82 3 KENET-AS, KE 2561 67 4 32 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 38 28 3 RENU, UG 327700 36 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 18 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 578 2092 455 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 373 319 74 TENET-1, ZA 680 279 1967 245 DFN Verein zur Foerderung eines Deutsch 668 210 702 178 DNIC-AS-00668, US 36914 210 82 3 KENET-AS, KE 376 202 178 151 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 786 186 1774 183 JANET Jisc Services Limited, GB 1237 186 74 135 KREONET-AS-KR KISTI, KR 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 373 299 TENET-1, ZA 36914 210 207 KENET-AS, KE 5786 200 199 UPRENET, PR 58647 167 165 KAGAWAU-AS Kagawa University, JP 8895 138 134 ISU Internet Services Unit ISU, SA 17882 163 131 ASN-MCS-AP # AS-MCS-AP CONVERTED TO ASN-MCS-AP 18558 135 131 NETBLK-RCOEK, US 1916 157 112 Rede Nacional de Ensino e Pesquisa, BR 55824 115 104 NKN-CORE-NW NKN Core Network, IN 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 31766 UNALLOCATED 192.124.98.0/24 10430 WA-K20, US 14212 UNALLOCATED 198.189.240.0/24 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 14212 UNALLOCATED 205.155.0.0/19 2152 CSUNET-NW, 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 10.0.40.0/24 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 10.10.80.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 10.10.100.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.129.232/32 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 /13:18 /14:35 /15:122 /16:2012 /17:399 /18:443 /19:565 /20:868 /21:866 /22:1419 /23:1539 /24:10259 /25:0 /26:2 /27:3 /28:7 /29:7 /30:61 /31:1 /32:108 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 197 210 KENET-AS, KE 8895 133 138 ISU Internet Services Unit ISU, SA 9934 86 159 MICOM-MN-AS Mongolia Telecom, MN 4850 71 72 DIGICOM-AS-AP Digicom LLC, MN 23024 53 114 OCDE, US 17882 47 163 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) ---------------------------------------------- 1:3 5:15 6:4 8:2 10:12 12:1 14:85 18:42 23:10 24:3 27:4 31:6 35:4 37:6 38:9 40:1 41:127 42:10 43:11 44:5 45:33 46:6 47:1 49:10 50:4 52:1 59:24 60:4 61:3 62:7 63:38 64:72 65:4 66:81 67:44 68:8 69:19 70:2 71:1 72:9 74:18 76:34 77:7 78:3 79:10 80:17 81:28 82:5 83:6 84:9 85:39 86:4 87:1 88:1 89:10 91:44 93:23 94:4 95:5 96:5 97:1 98:2 101:6 102:13 103:369 104:76 107:17 108:10 109:10 110:4 111:16 112:15 114:23 116:7 117:61 118:32 119:23 121:27 122:24 123:8 124:39 125:4 128:88 129:39 130:93 131:85 132:58 133:140 134:98 136:200 137:74 138:8 139:9 140:51 141:1 142:41 143:27 144:23 145:2 146:127 147:59 148:192 149:12 150:44 151:6 152:71 153:13 154:26 155:51 156:67 157:36 158:42 159:116 160:25 161:22 162:23 163:67 164:18 165:55 166:1 167:16 168:104 169:10 170:26 171:1 172:8 173:7 175:31 176:8 177:12 179:8 180:21 182:6 184:6 185:37 186:3 187:19 188:13 189:5 190:3 191:33 192:1369 193:308 194:141 195:86 196:160 197:117 198:494 199:286 200:181 201:35 202:789 203:438 204:335 205:165 206:199 207:175 208:70 209:123 210:184 211:15 212:149 213:5 214:7 216:85 217:11 218:23 219:6 220:17 222:5 223:3 End of report