IPv4 R&E Routing Table Report 19:05 GMT Fri 03 Mar, 2023 IPv4 BGP Table (R&E) as seen at BDREN. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/BDREN/ Analysis Summary ---------------- BGP routing table entries examined: 24764 Prefixes after maximum aggregation (per Origin AS): 12554 Deaggregation factor: 1.97 Unique aggregates announced (without unneeded subnets): 15028 Number of IPv4 prefixes with a valid ROA: 10477 Number of IPv4 prefixes with an invalid ROA: 227 Number of IPv4 prefixes with no ROA: 14060 Total ASes present in the Internet Routing Table: 3916 Prefixes per ASN: 6.32 Origin-only ASes present in the Internet Routing Table: 3363 Origin ASes announcing only one prefix: 1302 Transit ASes present in the Internet Routing Table: 553 Transit-only ASes present in the Internet Routing Table: 102 Paths with bogon ASNs present in the IPv4 Routing Table: 106 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 20 Max AS path prepend of ASN (134403) 13 Prefixes from unregistered ASNs in the Routing Table: 99 Number of instances of unregistered ASNs: 99 Number of 32-bit ASNs allocated by the RIRs: 41344 Number of 32-bit ASNs visible in the Routing Table: 1580 Prefixes from 32-bit ASNs in the Routing Table: 4802 Number of bogon 32-bit ASNs visible in the Routing Table: 27 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 2 Number of addresses announced to Internet: 205992448 Equivalent to 12 /8s, 71 /16s and 50 /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: 99.6 Total number of prefixes smaller than registry allocations: 2206 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 10715 Total APNIC prefixes after maximum aggregation: 4182 APNIC Deaggregation factor: 2.56 Prefixes being announced from the APNIC address blocks: 10804 Unique aggregates announced from the APNIC address blocks: 5878 APNIC Region origin ASes present in the Internet Routing Table: 1632 APNIC Prefixes per ASN: 6.62 APNIC Region origin ASes announcing only one prefix: 470 APNIC Region transit ASes present in the Internet Routing Table: 204 Average APNIC Region AS path length visible: 3.9 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1158 Number of APNIC addresses announced to Internet: 47266560 Equivalent to 2 /8s, 209 /16s and 59 /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: 8128 Total ARIN prefixes after maximum aggregation: 4750 ARIN Deaggregation factor: 1.71 Prefixes being announced from the ARIN address blocks: 8142 Unique aggregates announced from the ARIN address blocks: 5332 ARIN Region origin ASes present in the Internet Routing Table: 1258 ARIN Prefixes per ASN: 6.47 ARIN Region origin ASes announcing only one prefix: 452 ARIN Region transit ASes present in the Internet Routing Table: 170 Average ARIN Region AS path length visible: 5.6 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 188 Number of ARIN addresses announced to Internet: 94222080 Equivalent to 5 /8s, 157 /16s and 183 /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: 3574 Total RIPE prefixes after maximum aggregation: 2867 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3568 Unique aggregates announced from the RIPE address blocks: 2895 RIPE Region origin ASes present in the Internet Routing Table: 685 RIPE Prefixes per ASN: 5.21 RIPE Region origin ASes announcing only one prefix: 302 RIPE Region transit ASes present in the Internet Routing Table: 101 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 13 Number of RIPE region 32-bit ASNs visible in the Routing Table: 144 Number of RIPE addresses announced to Internet: 57921792 Equivalent to 3 /8s, 115 /16s and 209 /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: 1205 Total LACNIC prefixes after maximum aggregation: 495 LACNIC Deaggregation factor: 2.43 Prefixes being announced from the LACNIC address blocks: 1205 Unique aggregates announced from the LACNIC address blocks: 629 LACNIC Region origin ASes present in the Internet Routing Table: 154 LACNIC Prefixes per ASN: 7.82 LACNIC Region origin ASes announcing only one prefix: 55 LACNIC Region transit ASes present in the Internet Routing Table: 21 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62 Number of LACNIC addresses announced to Internet: 3927552 Equivalent to 0 /8s, 59 /16s and 238 /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: 1043 Total AfriNIC prefixes after maximum aggregation: 206 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 1043 Unique aggregates announced from the AfriNIC address blocks: 292 AfriNIC Region origin ASes present in the Internet Routing Table: 52 AfriNIC Prefixes per ASN: 20.06 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: 5.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28 Number of AfriNIC addresses announced to Internet: 2653696 Equivalent to 0 /8s, 40 /16s and 126 /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 591 2157 463 SINET-AS Research Organization of Infor 7497 435 182 24 CSTNET-AS-AP Computer Network Informati 23688 254 13 6 LINK3-TECH-AS-BD-AP Link3 Technologies 24342 229 15 4 BRAC-BDMAIL-AS-BD BRACNet Limited, BD 1237 185 74 134 KREONET-AS-KR KISTI, KR 58647 178 18 2 KAGAWAU-AS Kagawa University, JP 23956 175 14 15 AMBERIT-BD-AS AmberIT Limited, BD 7575 173 329 119 AARNET-AS-AP Australian Academic and Re 4758 161 16 1 NICNET-VSNL-BOARDER-AP National Informa 55824 141 19 30 NKN-CORE-NW NKN Core Network, IN Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 668 215 686 183 DNIC-AS-00668, US 2152 213 507 93 CSUNET-NW, US 376 199 178 149 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 18558 134 18 4 NETBLK-RCOEK, US 23024 113 7 17 OCDE, US 2920 107 34 7 LACOE, US 32531 90 6 60 FORDHAM-UNIVERSITY, US 21976 85 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 283 1919 249 DFN Verein zur Foerderung eines Deutsch 786 186 1775 183 JANET Jisc Services Limited, GB 8895 136 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL 2614 94 27 74 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 553 73 449 73 BELWUE BelWue-Koordination, DE 1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol 2200 64 599 59 FR-RENATER Reseau National de telecommu Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 158 208 43 Rede Nacional de Ensino e Pesquisa, BR 11340 104 24 47 Red Universitaria Nacional, CL 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 1251 57 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 4270 45 16 1 Red de Interconexion Universitaria, AR 61468 42 3 14 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 19611 37 17 2 Associacao Antonio Vieira - Unisinos, B 28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 379 319 72 TENET-1, ZA 36914 253 82 3 KENET-AS, KE 2561 67 4 34 EUN, EG 327687 61 28 3 RENU, UG 8094 48 48 15 PUKNET, ZA 327700 34 16 1 MoRENet, MZ 3208 32 2 1 ARN, DZ 37182 32 8 1 TERNET, TZ 6879 24 2 9 ENSTINET-, EG 37074 13 8 2 UG-AS, GH Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 591 2157 463 SINET-AS Research Organization of Infor 7497 435 182 24 CSTNET-AS-AP Computer Network Informati 2018 379 319 72 TENET-1, ZA 680 283 1919 249 DFN Verein zur Foerderung eines Deutsch 23688 254 13 6 LINK3-TECH-AS-BD-AP Link3 Technologies 36914 253 82 3 KENET-AS, KE 24342 229 15 4 BRAC-BDMAIL-AS-BD BRACNet Limited, BD 668 215 686 183 DNIC-AS-00668, US 2152 213 507 93 CSUNET-NW, US 376 199 178 149 RISQ-AS, CA Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 435 411 CSTNET-AS-AP Computer Network Information Cente 2018 379 307 TENET-1, ZA 36914 253 250 KENET-AS, KE 23688 254 248 LINK3-TECH-AS-BD-AP Link3 Technologies Ltd., BD 24342 229 225 BRAC-BDMAIL-AS-BD BRACNet Limited, BD 5786 199 198 UPRENET, PR 58647 178 176 KAGAWAU-AS Kagawa University, JP 23956 175 160 AMBERIT-BD-AS AmberIT Limited, BD 4758 161 160 NICNET-VSNL-BOARDER-AP National Informatics Cen 8895 136 132 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/BDREN/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65200 PRIVATE 43.224.124.0/22 132124 ICTA-LK Information and Comm 38192 UNALLOCATED 43.245.244.0/24 63961 BDREN-UGC-AS-AP Bangladesh R 38192 UNALLOCATED 43.245.245.0/24 63961 BDREN-UGC-AS-AP Bangladesh R 38192 UNALLOCATED 43.245.246.0/24 63961 BDREN-UGC-AS-AP Bangladesh R 65568 UNALLOCATED 103.7.112.0/22 17471 CYBERNET-BD-AS Grameen Cyber 65568 UNALLOCATED 103.7.112.0/24 17471 CYBERNET-BD-AS Grameen Cyber 65568 UNALLOCATED 103.7.113.0/24 17471 CYBERNET-BD-AS Grameen Cyber 65568 UNALLOCATED 103.7.114.0/24 17471 CYBERNET-BD-AS Grameen Cyber 65568 UNALLOCATED 103.7.115.0/24 17471 CYBERNET-BD-AS Grameen Cyber 65200 PRIVATE 103.11.32.0/22 132124 ICTA-LK Information and Comm Complete listing at https://bgp.nsrc.org/REN/BDREN/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 102.36.194.0/23 Origin: 2018 TENET-1, ZA 102.36.194.0/23 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 Complete listing at https://bgp.nsrc.org/REN/BDREN/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 /13:18 /14:34 /15:122 /16:1997 /17:417 /18:455 /19:595 /20:930 /21:940 /22:1726 /23:2062 /24:15454 /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 36914 240 253 KENET-AS, KE 8895 131 136 ISU Internet Services Unit ISU, SA 24389 56 77 GRAMEENPHONE-AS-AP GrameenPhone Ltd., BD 23024 52 113 OCDE, US 32440 35 56 LONI, US 18632 34 65 VOLCANO-VISION, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 37182 31 32 TERNET, TZ 25977 30 44 HCCS, US Complete listing at https://bgp.nsrc.org/REN/BDREN/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 5:15 6:4 8:2 9:1 12:1 14:94 23:9 24:3 27:139 31:7 35:6 36:11 37:56 38:11 40:1 41:139 42:14 43:52 44:5 45:132 46:5 47:1 49:35 50:3 52:1 58:24 59:66 60:4 61:19 62:11 63:37 64:61 65:5 66:48 67:44 68:8 69:21 70:2 71:1 72:39 74:51 76:41 77:9 78:3 79:10 80:17 81:28 82:6 83:6 84:7 85:42 86:5 87:1 89:10 91:46 92:2 93:4 94:4 95:2 96:5 97:2 98:2 101:15 102:16 103:3099 104:80 106:5 107:16 108:10 109:10 110:5 111:24 113:37 114:115 115:203 116:95 117:76 118:218 119:135 120:43 121:33 122:40 123:102 124:57 125:4 128:86 129:41 130:86 131:61 132:50 133:157 134:101 136:199 137:99 138:9 139:6 140:54 141:1 142:39 143:30 144:42 145:4 146:132 147:56 148:40 149:14 150:132 151:9 152:79 153:14 154:35 155:55 156:68 157:34 158:36 159:115 160:36 161:21 162:31 163:100 164:156 165:51 166:1 167:16 168:124 169:10 170:80 171:1 172:3 173:7 175:86 176:8 177:9 179:10 180:106 181:1 182:104 184:3 185:48 186:3 187:19 188:13 189:3 190:18 191:36 192:1371 193:346 194:153 195:89 196:167 197:157 198:526 199:289 200:221 201:38 202:914 203:626 204:358 205:131 206:199 207:183 208:73 209:131 210:214 211:17 212:169 213:5 214:8 216:87 217:11 218:22 219:6 220:36 221:8 222:5 223:27 End of report