IPv4 R&E Routing Table Report 20:20 GMT Thu 06 Jul, 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: 19259 Prefixes after maximum aggregation (per Origin AS): 10597 Deaggregation factor: 1.82 Unique aggregates announced (without unneeded subnets): 11896 Number of IPv4 prefixes with a valid ROA: 5292 Number of IPv4 prefixes with an invalid ROA: 118 Number of IPv4 prefixes with no ROA: 13849 Total ASes present in the Internet Routing Table: 2803 Prefixes per ASN: 6.87 Origin-only ASes present in the Internet Routing Table: 2413 Origin ASes announcing only one prefix: 1074 Transit ASes present in the Internet Routing Table: 390 Transit-only ASes present in the Internet Routing Table: 81 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: 21 Max AS path prepend of ASN (395156) 12 Prefixes from unregistered ASNs in the Routing Table: 11 Number of instances of unregistered ASNs: 11 Number of 32-bit ASNs allocated by the RIRs: 42238 Number of 32-bit ASNs visible in the Routing Table: 640 Prefixes from 32-bit ASNs in the Routing Table: 1887 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: 5 Number of addresses announced to Internet: 204238080 Equivalent to 12 /8s, 44 /16s and 109 /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: 2272 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5086 Total APNIC prefixes after maximum aggregation: 2354 APNIC Deaggregation factor: 2.16 Prefixes being announced from the APNIC address blocks: 5090 Unique aggregates announced from the APNIC address blocks: 2895 APNIC Region origin ASes present in the Internet Routing Table: 575 APNIC Prefixes per ASN: 8.85 APNIC Region origin ASes announcing only one prefix: 243 APNIC Region transit ASes present in the Internet Routing Table: 61 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 214 Number of APNIC addresses announced to Internet: 45911552 Equivalent to 2 /8s, 188 /16s and 142 /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, 131072-153913 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: 8045 Total ARIN prefixes after maximum aggregation: 4658 ARIN Deaggregation factor: 1.73 Prefixes being announced from the ARIN address blocks: 8061 Unique aggregates announced from the ARIN address blocks: 5152 ARIN Region origin ASes present in the Internet Routing Table: 1249 ARIN Prefixes per ASN: 6.45 ARIN Region origin ASes announcing only one prefix: 447 ARIN Region transit ASes present in the Internet Routing Table: 168 Average ARIN Region AS path length visible: 7.1 Max ARIN Region AS path length visible: 18 Number of ARIN region 32-bit ASNs visible in the Routing Table: 193 Number of ARIN addresses announced to Internet: 93577984 Equivalent to 5 /8s, 147 /16s and 227 /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: 3584 Total RIPE prefixes after maximum aggregation: 2860 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3572 Unique aggregates announced from the RIPE address blocks: 2891 RIPE Region origin ASes present in the Internet Routing Table: 680 RIPE Prefixes per ASN: 5.25 RIPE Region origin ASes announcing only one prefix: 298 RIPE Region transit ASes present in the Internet Routing Table: 107 Average RIPE Region AS path length visible: 6.0 Max RIPE Region AS path length visible: 14 Number of RIPE region 32-bit ASNs visible in the Routing Table: 142 Number of RIPE addresses announced to Internet: 57905408 Equivalent to 3 /8s, 115 /16s and 145 /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: 1435 Total LACNIC prefixes after maximum aggregation: 541 LACNIC Deaggregation factor: 2.65 Prefixes being announced from the LACNIC address blocks: 1433 Unique aggregates announced from the LACNIC address blocks: 728 LACNIC Region origin ASes present in the Internet Routing Table: 160 LACNIC Prefixes per ASN: 8.96 LACNIC Region origin ASes announcing only one prefix: 60 LACNIC Region transit ASes present in the Internet Routing Table: 25 Average LACNIC Region AS path length visible: 8.1 Max LACNIC Region AS path length visible: 16 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64 Number of LACNIC addresses announced to Internet: 4169728 Equivalent to 0 /8s, 63 /16s and 160 /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: 1098 Total AfriNIC prefixes after maximum aggregation: 173 AfriNIC Deaggregation factor: 6.35 Prefixes being announced from the AfriNIC address blocks: 1097 Unique aggregates announced from the AfriNIC address blocks: 225 AfriNIC Region origin ASes present in the Internet Routing Table: 51 AfriNIC Prefixes per ASN: 21.51 AfriNIC Region origin ASes announcing only one prefix: 26 AfriNIC Region transit ASes present in the Internet Routing Table: 9 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 590 2147 465 SINET-AS Research Organization of Infor 7497 434 180 23 CSTNET-AS-AP Computer Network Informati 1237 189 74 139 KREONET-AS-KR KISTI, KR 17882 178 11 34 UNIVISION-AS-AP UNIVISION LLC, MN 58647 178 18 2 KAGAWAU-AS Kagawa University, JP 7575 177 329 120 AARNET-AS-AP Australian Academic and Re 4538 130 4192 73 ERX-CERNET-BKB China Education and Rese 55824 121 18 14 NKN-CORE-NW NKN Core Network, IN 4850 96 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 269 507 94 CSUNET-NW, US 668 217 636 180 DNIC-AS-00668, US 376 202 178 150 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 18558 134 18 4 NETBLK-RCOEK, US 81 128 521 31 NCREN, US 23024 113 7 17 OCDE, US 2920 107 34 7 LACOE, US 21976 85 51 18 NJEDGE-NET, US 1736 79 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 680 284 1919 250 DFN Verein zur Foerderung eines Deutsch 786 186 1767 183 JANET Jisc Services Limited, GB 8895 136 24 5 ISU Internet Services Unit ISU, SA 559 112 533 104 SWITCH Peering requests: peering@switch 1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 94 27 74 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 553 74 465 74 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 219 192 42 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 103 24 47 Red Universitaria Nacional, CL 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 1251 57 36 15 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 4270 48 16 1 Red de Interconexion Universitaria, AR 61468 42 3 14 CEDIA, EC 28571 40 39 18 UNIVERSIDADE DE SAO PAULO, BR 28614 38 2 2 Fundacao Universidade Regional de Blume 19611 37 17 2 Associacao Antonio Vieira - Unisinos, B 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 382 319 72 TENET-1, ZA 36914 259 82 3 KENET-AS, KE 327687 164 28 3 RENU, UG 8094 48 48 15 PUKNET, ZA 327700 41 16 1 MoRENet, MZ 37215 37 8 1 MAREN, MW 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 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 590 2147 465 SINET-AS Research Organization of Infor 7497 434 180 23 CSTNET-AS-AP Computer Network Informati 2018 382 319 72 TENET-1, ZA 680 284 1919 250 DFN Verein zur Foerderung eines Deutsch 2152 269 507 94 CSUNET-NW, US 36914 259 82 3 KENET-AS, KE 1916 219 192 42 Rede Nacional de Ensino e Pesquisa, BR 668 217 636 180 DNIC-AS-00668, US 376 202 178 150 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 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 434 411 CSTNET-AS-AP Computer Network Information Cente 2018 382 310 TENET-1, ZA 36914 259 256 KENET-AS, KE 5786 198 197 UPRENET, PR 1916 219 177 Rede Nacional de Ensino e Pesquisa, BR 58647 178 176 KAGAWAU-AS Kagawa University, JP 2152 269 175 CSUNET-NW, US 327687 164 161 RENU, UG 17882 178 144 UNIVISION-AS-AP UNIVISION LLC, MN 8895 136 131 ISU Internet Services Unit ISU, SA 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 29867 UNALLOCATED 64.202.80.0/20 22742 CT-EDU-NET, US 138933 UNALLOCATED 103.137.86.0/24 24490 TEIN2-SG-AP Trans-Eurasia In 394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US 33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US 29867 UNALLOCATED 192.160.243.0/24 22742 CT-EDU-NET, US 29867 UNALLOCATED 192.160.244.0/24 22742 CT-EDU-NET, 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 Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 64.202.80.0/20 Origin: 29867 UNASSIGNED 64.202.80.0/20 Transit: 22742 CT-EDU-NET, US 102.36.194.0/23 Origin: 2018 TENET-1, ZA 102.36.194.0/23 Transit: 11537 INTERNET2-RESEARCH-EDU, US 103.137.86.0/24 Origin: 138933 UNASSIGNED 103.137.86.0/24 Transit: 24490 TEIN2-SG-AP Trans-Eurasia Information Ne 192.31.196.0/24 Origin: 112 UNASSIGNED 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU 202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 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 /17:421 /18:438 /19:576 /20:866 /21:877 /22:1508 /23:1592 /24:10701 /25:0 /26:0 /27:2 /28:4 /29:1 /30:4 /31:1 /32:90 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 247 259 KENET-AS, KE 8895 131 136 ISU Internet Services Unit ISU, SA 4850 95 96 DIGICOM-AS-AP Digicom LLC, MN 17882 53 178 UNIVISION-AS-AP UNIVISION LLC, MN 23024 52 113 OCDE, US 32440 37 59 LONI, US 327700 35 41 MoRENet, MZ 18632 34 66 VOLCANO-VISION, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 5:15 6:4 8:2 12:1 14:89 23:7 24:3 27:4 31:7 35:2 38:9 40:1 41:146 42:10 43:8 44:6 45:41 46:5 47:1 49:9 50:3 52:1 58:1 59:23 60:4 61:3 62:10 63:37 64:74 65:5 66:79 67:43 68:8 69:19 70:2 71:1 72:7 74:50 76:41 77:9 78:3 79:10 80:13 81:26 82:7 83:6 84:12 85:41 86:10 87:1 89:10 91:48 92:2 93:4 94:4 95:2 96:5 97:2 98:2 101:2 102:31 103:318 104:80 107:16 108:10 109:9 111:16 112:15 114:23 116:6 117:61 118:32 119:18 121:29 122:24 123:8 124:38 125:4 128:87 129:41 130:87 131:55 132:62 133:152 134:104 136:198 137:132 138:9 139:9 140:52 141:1 142:39 143:29 144:26 145:2 146:130 147:58 148:193 149:12 150:44 151:11 152:144 153:14 154:31 155:63 156:67 157:23 158:36 159:115 160:27 161:23 162:26 163:68 164:10 165:46 166:1 167:13 168:124 169:8 170:80 171:1 172:3 173:7 175:19 176:8 177:6 179:12 180:15 181:1 182:1 184:3 185:54 186:3 187:17 188:13 189:3 190:17 191:13 192:1392 193:299 194:142 195:87 196:202 197:164 198:535 199:286 200:309 201:38 202:795 203:442 204:361 205:137 206:194 207:191 208:74 209:139 210:184 211:3 212:167 213:5 214:8 216:87 217:11 218:23 219:6 220:17 222:2 223:14 End of report