IPv4 R&E Routing Table Report 22:10 GMT Thu 30 Nov, 2023 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: 25486 Prefixes after maximum aggregation (per Origin AS): 12534 Deaggregation factor: 2.03 Unique aggregates announced (without unneeded subnets): 14162 Number of IPv4 prefixes with a valid ROA: 12178 Number of IPv4 prefixes with an invalid ROA: 198 Number of IPv4 prefixes with no ROA: 13110 Total ASes present in the Internet Routing Table: 2773 Prefixes per ASN: 9.19 Origin-only ASes present in the Internet Routing Table: 2387 Origin ASes announcing only one prefix: 1061 Transit ASes present in the Internet Routing Table: 386 Transit-only ASes present in the Internet Routing Table: 72 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 16 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: 43133 Number of 32-bit ASNs visible in the Routing Table: 654 Prefixes from 32-bit ASNs in the Routing Table: 4744 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: 8 Number of addresses announced to Internet: 242392676 Equivalent to 14 /8s, 114 /16s and 158 /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: 4683 Total APNIC prefixes after maximum aggregation: 2294 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4729 Unique aggregates announced from the APNIC address blocks: 2658 APNIC Region origin ASes present in the Internet Routing Table: 547 APNIC Prefixes per ASN: 8.65 APNIC Region origin ASes announcing only one prefix: 232 APNIC Region transit ASes present in the Internet Routing Table: 60 Average APNIC Region AS path length visible: 5.8 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 210 Number of APNIC addresses announced to Internet: 45649984 Equivalent to 2 /8s, 184 /16s and 144 /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: 14484 Total ARIN prefixes after maximum aggregation: 6470 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 14289 Unique aggregates announced from the ARIN address blocks: 7287 ARIN Region origin ASes present in the Internet Routing Table: 1237 ARIN Prefixes per ASN: 11.55 ARIN Region origin ASes announcing only one prefix: 436 ARIN Region transit ASes present in the Internet Routing Table: 163 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: 199 Number of ARIN addresses announced to Internet: 131803521 Equivalent to 7 /8s, 219 /16s and 41 /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: 3640 Total RIPE prefixes after maximum aggregation: 2889 RIPE Deaggregation factor: 1.26 Prefixes being announced from the RIPE address blocks: 3789 Unique aggregates announced from the RIPE address blocks: 3113 RIPE Region origin ASes present in the Internet Routing Table: 698 RIPE Prefixes per ASN: 5.43 RIPE Region origin ASes announcing only one prefix: 313 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: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 149 Number of RIPE addresses announced to Internet: 58035456 Equivalent to 3 /8s, 117 /16s and 141 /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: 1603 Total LACNIC prefixes after maximum aggregation: 696 LACNIC Deaggregation factor: 2.30 Prefixes being announced from the LACNIC address blocks: 1606 Unique aggregates announced from the LACNIC address blocks: 870 LACNIC Region origin ASes present in the Internet Routing Table: 164 LACNIC Prefixes per ASN: 9.79 LACNIC Region origin ASes announcing only one prefix: 53 LACNIC Region transit ASes present in the Internet Routing Table: 28 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67 Number of LACNIC addresses announced to Internet: 4240547 Equivalent to 0 /8s, 64 /16s and 180 /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: 1065 Total AfriNIC prefixes after maximum aggregation: 176 AfriNIC Deaggregation factor: 6.05 Prefixes being announced from the AfriNIC address blocks: 1065 Unique aggregates announced from the AfriNIC address blocks: 226 AfriNIC Region origin ASes present in the Internet Routing Table: 53 AfriNIC Prefixes per ASN: 20.09 AfriNIC Region origin ASes announcing only one prefix: 27 AfriNIC Region transit ASes present in the Internet Routing Table: 10 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: 29 Number of AfriNIC addresses announced to Internet: 2661120 Equivalent to 0 /8s, 40 /16s and 155 /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 603 2162 466 SINET-AS Research Organization of Infor 7497 437 180 23 CSTNET-AS-AP Computer Network Informati 1237 196 74 142 KREONET-AS-KR KISTI, KR 58647 180 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 127 19 17 NKN-CORE-NW NKN Core Network, IN 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 69 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 2722 3631 372 GOOGLE-CLOUD-PLATFORM, US 16509 2173 1640 876 AMAZON-02, US 14618 832 4022 627 AMAZON-AES, US 15169 829 1997 61 GOOGLE, US 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 36492 157 11 35 GOOGLEWIFI, US 2152 146 507 94 CSUNET-NW, US 18558 141 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 680 283 1903 249 DFN Verein zur Foerderung eines Deutsch 786 185 1767 182 JANET Jisc Services Limited, GB 8895 159 24 5 ISU Internet Services Unit ISU, SA 559 113 533 105 SWITCH Peering requests: peering@switch 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 94 27 74 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 553 76 462 76 BELWUE BelWue-Koordination, DE 1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol 3267 65 69 51 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 248 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 67 Universidad Juarez Autonoma de Tabasco, 27947 121 0 98 Telconet S.A, EC 11340 115 25 52 Red Universitaria Nacional, CL 271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 51 17 4 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo 28614 38 2 2 Fundacao Universidade Regional de Blume 3596 35 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 380 319 71 TENET-1, ZA 36914 242 82 3 KENET-AS, KE 327687 165 28 3 RENU, UG 8094 47 48 18 PUKNET, ZA 327700 45 16 1 MoRENet, MZ 3208 32 2 1 ARN, DZ 6879 24 2 9 ENSTINET-, EG 37074 14 8 2 UG-AS, GH 37215 11 8 1 MAREN, MW 37501 11 49 6 UOFS, ZA 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 2722 3631 372 GOOGLE-CLOUD-PLATFORM, US 16509 2173 1640 876 AMAZON-02, US 14618 832 4022 627 AMAZON-AES, US 15169 829 1997 61 GOOGLE, US 2907 603 2162 466 SINET-AS Research Organization of Infor 7497 437 180 23 CSTNET-AS-AP Computer Network Informati 2018 380 319 71 TENET-1, ZA 680 283 1903 249 DFN Verein zur Foerderung eines Deutsch 1916 248 176 43 Rede Nacional de Ensino e Pesquisa, BR 36914 242 82 3 KENET-AS, KE 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 2173 1297 AMAZON-02, US 15169 829 768 GOOGLE, US 7497 437 414 CSTNET-AS-AP Computer Network Information Cente 2018 380 309 TENET-1, ZA 36914 242 239 KENET-AS, KE 14618 832 205 AMAZON-AES, US 1916 248 205 Rede Nacional de Ensino e Pesquisa, BR 5786 197 196 UPRENET, PR 58647 180 178 KAGAWAU-AS Kagawa University, JP 327687 165 162 RENU, UG 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 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 216.117.204.0/24 Origin: 14618 AMAZON-AES, US 216.117.204.0/24 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 /10:2 /11:4 /12:19 /13:34 /14:81 /15:161 /16:2112 /17:512 /18:489 /19:737 /20:2790 /21:1031 /22:1663 /23:1723 /24:13714 /25:88 /26:68 /27:74 /28:20 /29:82 /30:39 /31:33 /32:9 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 297 2173 AMAZON-02, US 15169 275 829 GOOGLE, US 14618 263 832 AMAZON-AES, US 36914 231 242 KENET-AS, KE 396982 198 2722 GOOGLE-CLOUD-PLATFORM, US 8895 154 159 ISU Internet Services Unit ISU, SA 27947 96 121 Telconet S.A, EC 32440 81 113 LONI, US 23024 52 109 OCDE, US 1916 40 248 Rede Nacional de Ensino e Pesquisa, BR Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:82 5:20 8:28 12:1 13:45 14:89 15:70 16:112 18:66 23:111 24:3 31:9 34:21 35:51 38:9 40:5 41:119 42:10 43:1 44:9 45:60 46:12 47:1 49:9 50:3 52:558 54:228 58:1 59:19 60:5 61:3 62:11 63:35 64:160 65:13 66:73 67:61 68:13 69:34 70:44 71:3 72:13 74:143 76:47 77:11 78:3 79:10 80:13 81:25 82:7 83:7 84:10 85:32 86:4 87:3 88:1 89:19 91:58 92:5 93:4 94:4 95:2 96:7 97:1 98:11 99:47 101:3 102:36 103:303 104:217 107:33 108:104 109:10 111:16 114:31 115:1 116:8 117:61 118:32 119:18 121:28 122:8 123:8 124:40 125:4 128:88 129:48 130:136 131:68 132:63 133:155 134:109 135:3 136:293 137:144 138:10 139:17 140:39 141:7 142:280 143:22 144:39 145:3 146:144 147:67 148:202 149:16 150:44 151:16 152:135 153:14 154:30 155:73 156:67 157:23 158:40 159:148 160:30 161:28 162:86 163:85 164:21 165:51 166:1 167:24 168:155 169:12 170:142 171:1 172:114 173:116 174:2 175:26 176:11 177:6 178:1 179:9 180:15 182:1 184:2 185:107 186:3 187:18 188:20 189:3 190:5 191:13 192:1503 193:312 194:126 195:92 196:204 197:160 198:481 199:306 200:313 201:36 202:627 203:424 204:373 205:148 206:207 207:179 208:135 209:162 210:194 211:14 212:161 213:15 216:163 217:12 218:22 219:5 220:16 222:2 223:14 End of report