IPv4 R&E Routing Table Report 22:10 GMT Sun 26 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: 25432 Prefixes after maximum aggregation (per Origin AS): 12524 Deaggregation factor: 2.03 Unique aggregates announced (without unneeded subnets): 14090 Number of IPv4 prefixes with a valid ROA: 11976 Number of IPv4 prefixes with an invalid ROA: 209 Number of IPv4 prefixes with no ROA: 13247 Total ASes present in the Internet Routing Table: 2768 Prefixes per ASN: 9.19 Origin-only ASes present in the Internet Routing Table: 2380 Origin ASes announcing only one prefix: 1061 Transit ASes present in the Internet Routing Table: 388 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: 43106 Number of 32-bit ASNs visible in the Routing Table: 650 Prefixes from 32-bit ASNs in the Routing Table: 4740 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: 242463748 Equivalent to 14 /8s, 115 /16s and 180 /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: 3323 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4619 Total APNIC prefixes after maximum aggregation: 2278 APNIC Deaggregation factor: 2.03 Prefixes being announced from the APNIC address blocks: 4665 Unique aggregates announced from the APNIC address blocks: 2585 APNIC Region origin ASes present in the Internet Routing Table: 545 APNIC Prefixes per ASN: 8.56 APNIC Region origin ASes announcing only one prefix: 233 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: 45689920 Equivalent to 2 /8s, 185 /16s and 44 /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: 14500 Total ARIN prefixes after maximum aggregation: 6483 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 14303 Unique aggregates announced from the ARIN address blocks: 7287 ARIN Region origin ASes present in the Internet Routing Table: 1234 ARIN Prefixes per ASN: 11.59 ARIN Region origin ASes announcing only one prefix: 433 ARIN Region transit ASes present in the Internet Routing Table: 164 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: 196 Number of ARIN addresses announced to Internet: 131804033 Equivalent to 7 /8s, 219 /16s and 43 /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: 3631 Total RIPE prefixes after maximum aggregation: 2886 RIPE Deaggregation factor: 1.26 Prefixes being announced from the RIPE address blocks: 3782 Unique aggregates announced from the RIPE address blocks: 3109 RIPE Region origin ASes present in the Internet Routing Table: 696 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: 103 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: 148 Number of RIPE addresses announced to Internet: 58061056 Equivalent to 3 /8s, 117 /16s and 241 /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: 1604 Total LACNIC prefixes after maximum aggregation: 694 LACNIC Deaggregation factor: 2.31 Prefixes being announced from the LACNIC address blocks: 1607 Unique aggregates announced from the LACNIC address blocks: 873 LACNIC Region origin ASes present in the Internet Routing Table: 165 LACNIC Prefixes per ASN: 9.74 LACNIC Region origin ASes announcing only one prefix: 54 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: 4240451 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: 1067 Total AfriNIC prefixes after maximum aggregation: 174 AfriNIC Deaggregation factor: 6.13 Prefixes being announced from the AfriNIC address blocks: 1067 Unique aggregates announced from the AfriNIC address blocks: 228 AfriNIC Region origin ASes present in the Internet Routing Table: 54 AfriNIC Prefixes per ASN: 19.76 AfriNIC Region origin ASes announcing only one prefix: 28 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: 2666240 Equivalent to 0 /8s, 40 /16s and 175 /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 7575 177 329 120 AARNET-AS-AP Australian Academic and Re 58647 177 18 2 KAGAWAU-AS Kagawa University, JP 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 374 GOOGLE-CLOUD-PLATFORM, US 16509 2180 1641 883 AMAZON-02, US 14618 830 4022 625 AMAZON-AES, US 15169 830 1997 61 GOOGLE, US 376 202 178 151 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 124 0 94 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 375 319 71 TENET-1, ZA 36914 247 82 3 KENET-AS, KE 327687 166 28 3 RENU, UG 8094 48 48 15 PUKNET, ZA 327700 44 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 374 GOOGLE-CLOUD-PLATFORM, US 16509 2180 1641 883 AMAZON-02, US 14618 830 4022 625 AMAZON-AES, US 15169 830 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 375 319 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 247 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 2180 1297 AMAZON-02, US 15169 830 769 GOOGLE, US 7497 437 414 CSTNET-AS-AP Computer Network Information Cente 2018 375 304 TENET-1, ZA 36914 247 244 KENET-AS, KE 14618 830 205 AMAZON-AES, US 1916 248 205 Rede Nacional de Ensino e Pesquisa, BR 5786 197 196 UPRENET, PR 58647 177 175 KAGAWAU-AS Kagawa University, JP 327687 166 163 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 /18:495 /19:735 /20:2792 /21:1034 /22:1666 /23:1721 /24:13638 /25:89 /26:68 /27:76 /28:23 /29:86 /30:39 /31:35 /32:9 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 298 2180 AMAZON-02, US 15169 275 830 GOOGLE, US 14618 263 830 AMAZON-AES, US 36914 236 247 KENET-AS, KE 396982 199 2722 GOOGLE-CLOUD-PLATFORM, US 8895 154 159 ISU Internet Services Unit ISU, SA 27947 99 124 Telconet S.A, EC 32440 81 112 LONI, US 23024 52 112 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 41:120 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 62:12 63:35 64:160 65:13 66:72 67:61 68:13 69:33 70:44 71:3 72:13 74:142 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 89:20 91:58 92:5 93:4 94:4 95:2 96:7 97:1 98:11 99:47 101:3 102:36 103:303 104:216 107:33 108:104 109:10 111:16 114:31 115:1 116:8 117:5 118:32 119:18 121:28 122:8 123:8 124:40 125:4 128:88 129:48 130:139 131:68 132:57 133:152 134:109 135:3 136:293 137:145 138:10 139:17 140:40 141:7 142:280 143:22 144:40 145:3 146:144 147:66 148:202 149:16 150:44 151:16 152:135 153:14 154:29 155:73 156:67 157:23 158:39 159:148 160:30 161:30 162:86 163:85 164:23 165:51 166:1 167:24 168:154 169:12 170:142 171:1 172:113 173:116 174:2 175:18 176:11 177:6 178:1 179:9 180:15 182:1 184:2 185:105 186:3 187:18 188:20 189:3 190:5 191:13 192:1501 193:311 194:126 195:92 196:204 197:163 198:481 199:304 200:313 201:36 202:627 203:422 204:373 205:148 206:207 207:177 208:135 209:161 210:194 211:14 212:161 213:15 216:164 217:13 218:22 219:5 220:16 222:2 223:14 End of report