IPv4 R&E Routing Table Report 20:20 GMT Fri 28 Apr, 2023 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: 19134 Prefixes after maximum aggregation (per Origin AS): 10693 Deaggregation factor: 1.79 Unique aggregates announced (without unneeded subnets): 12103 Number of IPv4 prefixes with a valid ROA: 4948 Number of IPv4 prefixes with an invalid ROA: 120 Number of IPv4 prefixes with no ROA: 14066 Total ASes present in the Internet Routing Table: 2822 Prefixes per ASN: 6.78 Origin-only ASes present in the Internet Routing Table: 2433 Origin ASes announcing only one prefix: 1103 Transit ASes present in the Internet Routing Table: 389 Transit-only ASes present in the Internet Routing Table: 73 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 6.3 Max AS path length visible: 22 Max AS path prepend of ASN (395156) 12 Prefixes from unregistered ASNs in the Routing Table: 9 Number of instances of unregistered ASNs: 9 Number of 32-bit ASNs allocated by the RIRs: 41755 Number of 32-bit ASNs visible in the Routing Table: 661 Prefixes from 32-bit ASNs in the Routing Table: 1849 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 2 Number of addresses announced to Internet: 204217344 Equivalent to 12 /8s, 44 /16s and 28 /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: 2211 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5165 Total APNIC prefixes after maximum aggregation: 2431 APNIC Deaggregation factor: 2.12 Prefixes being announced from the APNIC address blocks: 5170 Unique aggregates announced from the APNIC address blocks: 2993 APNIC Region origin ASes present in the Internet Routing Table: 620 APNIC Prefixes per ASN: 8.34 APNIC Region origin ASes announcing only one prefix: 267 APNIC Region transit ASes present in the Internet Routing Table: 67 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 240 Number of APNIC addresses announced to Internet: 45989120 Equivalent to 2 /8s, 189 /16s and 189 /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: 8105 Total ARIN prefixes after maximum aggregation: 4711 ARIN Deaggregation factor: 1.72 Prefixes being announced from the ARIN address blocks: 8121 Unique aggregates announced from the ARIN address blocks: 5263 ARIN Region origin ASes present in the Internet Routing Table: 1258 ARIN Prefixes per ASN: 6.46 ARIN Region origin ASes announcing only one prefix: 454 ARIN Region transit ASes present in the Internet Routing Table: 166 Average ARIN Region AS path length visible: 7.2 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 195 Number of ARIN addresses announced to Internet: 93759744 Equivalent to 5 /8s, 150 /16s and 169 /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: 3591 Total RIPE prefixes after maximum aggregation: 2869 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3580 Unique aggregates announced from the RIPE address blocks: 2892 RIPE Region origin ASes present in the Internet Routing Table: 686 RIPE Prefixes per ASN: 5.22 RIPE Region origin ASes announcing only one prefix: 306 RIPE Region transit ASes present in the Internet Routing Table: 106 Average RIPE Region AS path length visible: 6.1 Max RIPE Region AS path length visible: 16 Number of RIPE region 32-bit ASNs visible in the Routing Table: 145 Number of RIPE addresses announced to Internet: 57944576 Equivalent to 3 /8s, 116 /16s and 42 /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: 1307 Total LACNIC prefixes after maximum aggregation: 497 LACNIC Deaggregation factor: 2.63 Prefixes being announced from the LACNIC address blocks: 1304 Unique aggregates announced from the LACNIC address blocks: 719 LACNIC Region origin ASes present in the Internet Routing Table: 129 LACNIC Prefixes per ASN: 10.11 LACNIC Region origin ASes announcing only one prefix: 52 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: 54 Number of LACNIC addresses announced to Internet: 3855104 Equivalent to 0 /8s, 58 /16s and 211 /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: 957 Total AfriNIC prefixes after maximum aggregation: 176 AfriNIC Deaggregation factor: 5.44 Prefixes being announced from the AfriNIC address blocks: 956 Unique aggregates announced from the AfriNIC address blocks: 234 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 19.12 AfriNIC Region origin ASes announcing only one prefix: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 10 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27 Number of AfriNIC addresses announced to Internet: 2668032 Equivalent to 0 /8s, 40 /16s and 182 /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 596 2155 466 SINET-AS Research Organization of Infor 7497 434 182 24 CSTNET-AS-AP Computer Network Informati 17882 203 12 38 UNIVISION-AS-AP UNIVISION LLC, MN 1237 189 74 139 KREONET-AS-KR KISTI, KR 58647 178 18 2 KAGAWAU-AS Kagawa University, JP 7575 173 329 119 AARNET-AS-AP Australian Academic and Re 4538 130 4192 73 ERX-CERNET-BKB China Education and Rese 55824 118 18 12 NKN-CORE-NW NKN Core Network, IN 4850 98 0 1 DIGICOM-AS-AP Digicom LLC, MN 9484 72 5 5 MOBINET-AS-MN Mobinet LLC. AS Mobinet I 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 2152 247 507 94 CSUNET-NW, US 668 216 636 179 DNIC-AS-00668, US 376 201 178 150 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 18558 134 18 4 NETBLK-RCOEK, US 81 129 521 32 NCREN, 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 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 680 283 1919 249 DFN Verein zur Foerderung eines Deutsch 786 186 1775 183 JANET Jisc Services Limited, GB 8895 135 24 3 ISU Internet Services Unit ISU, SA 559 112 533 104 SWITCH Peering requests: peering@switch 1103 95 1518 84 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/Erdemnet/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 223 208 43 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 103 24 47 Red Universitaria Nacional, CL 1251 60 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 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/Erdemnet/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 258 82 3 KENET-AS, KE 327687 63 28 3 RENU, UG 8094 48 48 15 PUKNET, ZA 327700 34 16 1 MoRENet, MZ 3208 32 2 1 ARN, DZ 6879 24 2 9 ENSTINET-, EG 37074 13 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA 37654 10 1 6 RwEdNet-AS, RW 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 596 2155 466 SINET-AS Research Organization of Infor 7497 434 182 24 CSTNET-AS-AP Computer Network Informati 2018 379 319 72 TENET-1, ZA 680 283 1919 249 DFN Verein zur Foerderung eines Deutsch 36914 258 82 3 KENET-AS, KE 2152 247 507 94 CSUNET-NW, US 1916 223 208 43 Rede Nacional de Ensino e Pesquisa, BR 668 216 636 179 DNIC-AS-00668, US 17882 203 12 38 UNIVISION-AS-AP UNIVISION LLC, MN 376 201 178 150 RISQ-AS, CA 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 434 410 CSTNET-AS-AP Computer Network Information Cente 2018 379 307 TENET-1, ZA 36914 258 255 KENET-AS, KE 5786 199 198 UPRENET, PR 1916 223 180 Rede Nacional de Ensino e Pesquisa, BR 58647 178 176 KAGAWAU-AS Kagawa University, JP 17882 203 165 UNIVISION-AS-AP UNIVISION LLC, MN 2152 247 153 CSUNET-NW, US 8895 135 132 ISU Internet Services Unit ISU, SA 18558 134 130 NETBLK-RCOEK, US 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 394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US 33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US 18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US 18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, 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 394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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/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 /14:33 /15:122 /16:1990 /17:413 /18:448 /19:573 /20:874 /21:858 /22:1505 /23:1583 /24:10597 /25:0 /26:0 /27:2 /28:4 /29:1 /30:5 /31:1 /32:92 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 245 258 KENET-AS, KE 8895 130 135 ISU Internet Services Unit ISU, SA 4850 97 98 DIGICOM-AS-AP Digicom LLC, MN 17882 53 203 UNIVISION-AS-AP UNIVISION LLC, MN 23024 52 113 OCDE, US 32440 37 59 LONI, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 200521 31 53 SEAP-AGE, ES 25977 30 44 HCCS, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 5:15 6:4 8:2 12:1 14:88 23:7 24:3 27:4 31:7 35:6 38:9 40:1 41:109 42:10 43:8 44:5 45:38 46:5 47:1 49:6 50:4 52:1 58:1 59:24 60:4 61:3 62:11 63:37 64:74 65:1 66:79 67:43 68:8 69:19 70:2 71:1 72:7 74:50 76:41 77:9 78:3 79:10 80:17 81:28 82:7 83:6 84:12 85:42 86:5 87:1 89:10 91:47 92:2 93:4 94:4 95:2 96:5 97:2 98:2 101:6 102:16 103:376 104:77 108:10 109:9 110:2 111:16 112:15 114:23 116:6 117:61 118:32 119:29 121:29 122:24 123:24 124:39 125:4 128:86 129:41 130:87 131:59 132:60 133:157 134:102 136:199 137:91 138:9 139:10 140:54 141:1 142:39 143:29 144:26 145:2 146:130 147:57 148:193 149:12 150:134 151:10 152:144 153:14 154:33 155:55 156:67 157:35 158:37 159:115 160:27 161:21 162:26 163:77 164:10 165:51 166:1 167:16 168:104 169:7 170:18 171:1 172:3 173:7 175:31 176:8 177:9 179:9 180:15 181:1 182:1 184:3 185:49 186:3 187:18 188:13 189:3 190:18 191:36 192:1385 193:309 194:146 195:86 196:166 197:162 198:526 199:280 200:266 201:38 202:752 203:443 204:361 205:136 206:188 207:187 208:68 209:131 210:186 211:17 212:168 213:5 214:8 216:87 217:10 218:23 219:6 220:17 222:5 223:4 End of report