IPv4 R&E Routing Table Report 22:10 GMT Thu 28 Mar, 2024 IPv4 BGP Table (R&E) as seen at CEDIA. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/ Analysis Summary ---------------- BGP routing table entries examined: 25536 Prefixes after maximum aggregation (per Origin AS): 12682 Deaggregation factor: 2.01 Unique aggregates announced (without unneeded subnets): 14360 Number of IPv4 prefixes with a valid ROA: 12475 Number of IPv4 prefixes with an invalid ROA: 159 Number of IPv4 prefixes with no ROA: 12902 Total ASes present in the Internet Routing Table: 2786 Prefixes per ASN: 9.17 Origin-only ASes present in the Internet Routing Table: 2407 Origin ASes announcing only one prefix: 1065 Transit ASes present in the Internet Routing Table: 379 Transit-only ASes present in the Internet Routing Table: 68 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 17 Max AS path prepend of ASN ( 47805) 11 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: 43946 Number of 32-bit ASNs visible in the Routing Table: 680 Prefixes from 32-bit ASNs in the Routing Table: 4880 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: 3 Number of addresses announced to Internet: 240250328 Equivalent to 14 /8s, 81 /16s and 237 /24s Percentage of available address space announced: 6.5 Percentage of allocated address space announced: 6.5 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: 3319 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4776 Total APNIC prefixes after maximum aggregation: 2334 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4830 Unique aggregates announced from the APNIC address blocks: 2719 APNIC Region origin ASes present in the Internet Routing Table: 587 APNIC Prefixes per ASN: 8.23 APNIC Region origin ASes announcing only one prefix: 247 APNIC Region transit ASes present in the Internet Routing Table: 60 Average APNIC Region AS path length visible: 5.9 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 231 Number of APNIC addresses announced to Internet: 45754176 Equivalent to 2 /8s, 186 /16s and 39 /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: 14643 Total ARIN prefixes after maximum aggregation: 6605 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 14419 Unique aggregates announced from the ARIN address blocks: 7419 ARIN Region origin ASes present in the Internet Routing Table: 1236 ARIN Prefixes per ASN: 11.67 ARIN Region origin ASes announcing only one prefix: 429 ARIN Region transit ASes present in the Internet Routing Table: 162 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 204 Number of ARIN addresses announced to Internet: 129739073 Equivalent to 7 /8s, 187 /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: 3637 Total RIPE prefixes after maximum aggregation: 2905 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3807 Unique aggregates announced from the RIPE address blocks: 3157 RIPE Region origin ASes present in the Internet Routing Table: 681 RIPE Prefixes per ASN: 5.59 RIPE Region origin ASes announcing only one prefix: 307 RIPE Region transit ASes present in the Internet Routing Table: 102 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 17 Number of RIPE region 32-bit ASNs visible in the Routing Table: 150 Number of RIPE addresses announced to Internet: 57797264 Equivalent to 3 /8s, 113 /16s and 234 /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 196608-216475 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: 1487 Total LACNIC prefixes after maximum aggregation: 651 LACNIC Deaggregation factor: 2.28 Prefixes being announced from the LACNIC address blocks: 1493 Unique aggregates announced from the LACNIC address blocks: 834 LACNIC Region origin ASes present in the Internet Routing Table: 159 LACNIC Prefixes per ASN: 9.39 LACNIC Region origin ASes announcing only one prefix: 52 LACNIC Region transit ASes present in the Internet Routing Table: 27 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64 Number of LACNIC addresses announced to Internet: 4292295 Equivalent to 0 /8s, 65 /16s and 126 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 982 Total AfriNIC prefixes after maximum aggregation: 178 AfriNIC Deaggregation factor: 5.52 Prefixes being announced from the AfriNIC address blocks: 984 Unique aggregates announced from the AfriNIC address blocks: 228 AfriNIC Region origin ASes present in the Internet Routing Table: 53 AfriNIC Prefixes per ASN: 18.57 AfriNIC Region origin ASes announcing only one prefix: 30 AfriNIC Region transit ASes present in the Internet Routing Table: 9 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 9 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 31 Number of AfriNIC addresses announced to Internet: 2666752 Equivalent to 0 /8s, 40 /16s and 177 /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 601 2162 465 SINET-AS Research Organization of Infor 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 1237 191 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Re 55824 130 19 19 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Rese 4762 71 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 70 37 10 UNINET-AS-AP UNINET-, TH 9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2763 3641 412 GOOGLE-CLOUD-PLATFORM, US 16509 2161 1676 927 AMAZON-02, US 14618 881 4163 664 AMAZON-AES, US 15169 835 1997 61 GOOGLE, US 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 36492 165 12 38 GOOGLEWIFI, US 2152 145 507 94 CSUNET-NW, US 18558 140 18 4 NETBLK-RCOEK, US 81 127 521 30 NCREN, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 284 1899 250 DFN Verein zur Foerderung eines Deutsch 786 186 1767 183 JANET Jisc Services Limited, GB 8895 161 24 5 ISU Internet Services Unit ISU, SA 559 114 533 104 SWITCH Peering requests: peering@switch 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 93 27 73 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 77 44 68 RUNNET, RU Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 158 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 117 25 54 Red Universitaria Nacional, CL 27947 116 0 87 Telconet S.A, EC 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 49 16 2 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo 28614 38 2 2 Fundacao Universidade Regional de Blume 3596 36 4 3 Universidad Autonoma Metropolitana, MX Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 370 319 70 TENET-1, ZA 36914 207 82 3 KENET-AS, KE 327687 163 28 3 RENU, UG 8094 47 48 18 PUKNET, ZA 327700 44 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37074 13 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA 37654 11 1 6 RwEdNet-AS, RW 37215 9 8 1 MAREN, MW Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2763 3641 412 GOOGLE-CLOUD-PLATFORM, US 16509 2161 1676 927 AMAZON-02, US 14618 881 4163 664 AMAZON-AES, US 15169 835 1997 61 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Infor 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 2018 370 319 70 TENET-1, ZA 680 284 1899 250 DFN Verein zur Foerderung eines Deutsch 36914 207 82 3 KENET-AS, KE 376 201 162 151 RISQ-AS, CA Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 2161 1234 AMAZON-02, US 15169 835 774 GOOGLE, US 7497 441 418 CSTNET-AS-AP Computer Network Information Cente 2018 370 300 TENET-1, ZA 14618 881 217 AMAZON-AES, US 36914 207 204 KENET-AS, KE 5786 197 196 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 327687 163 160 RENU, UG 8895 161 156 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US 11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, US 11570 UNALLOCATED 204.134.85.0/24 40498 ABQG, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 170.39.88.0/24 Origin: 14618 AMAZON-AES, US 170.39.88.0/24 Transit: 16509 AMAZON-02, US 192.31.196.0/24 Origin: 112 RESERVED, ZZ 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 198.135.168.0/24 Origin: 14618 AMAZON-AES, US 198.135.168.0/24 Transit: 16509 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /10:1 /11:4 /12:19 /13:35 /14:81 /15:160 /16:2103 /17:511 /18:498 /19:731 /20:2793 /21:1056 /22:1700 /23:1763 /24:13707 /25:78 /26:52 /27:73 /28:21 /29:75 /30:32 /31:37 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 323 2161 AMAZON-02, US 14618 291 881 AMAZON-AES, US 15169 275 835 GOOGLE, US 396982 213 2763 GOOGLE-CLOUD-PLATFORM, US 36914 194 207 KENET-AS, KE 8895 156 161 ISU Internet Services Unit ISU, SA 27947 93 116 Telconet S.A, EC 32440 87 119 LONI, US 23024 51 109 OCDE, US 327700 38 44 MoRENet, MZ Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:85 5:21 8:28 12:1 13:45 14:90 15:71 16:112 18:66 23:110 24:3 31:3 34:25 35:51 38:9 40:5 41:121 42:10 43:2 44:8 45:59 46:11 47:1 49:9 50:3 52:551 54:163 59:19 60:6 61:3 62:9 63:36 64:158 65:13 66:81 67:65 68:14 69:40 70:44 71:3 72:11 74:146 75:1 76:47 77:13 78:3 79:10 80:13 81:26 82:6 83:7 84:10 85:46 86:4 87:4 88:1 89:20 91:59 92:5 93:4 94:2 95:2 96:7 97:1 98:11 99:47 101:3 102:39 103:353 104:225 107:34 108:105 109:10 111:16 114:32 115:1 116:10 117:61 118:33 119:20 121:27 122:8 123:8 124:42 125:5 128:85 129:40 130:138 131:63 132:59 133:157 134:110 135:3 136:297 137:152 138:58 139:17 140:41 141:6 142:288 143:24 144:40 145:3 146:145 147:68 148:201 149:17 150:43 151:17 152:138 153:14 154:30 155:74 156:69 157:27 158:42 159:148 160:30 161:27 162:99 163:79 164:24 165:56 166:1 167:19 168:149 169:10 170:147 171:1 172:114 173:116 174:2 175:25 176:10 177:6 178:1 179:10 180:15 182:9 184:3 185:106 186:3 187:17 188:18 189:3 190:2 191:13 192:1505 193:284 194:129 195:72 196:199 197:121 198:482 199:305 200:250 201:34 202:638 203:414 204:369 205:151 206:197 207:172 208:146 209:168 210:206 211:14 212:163 213:15 216:178 217:12 218:22 219:5 220:17 222:2 223:14 End of report