IPv4 R&E Routing Table Report 22:10 GMT Mon 12 Aug, 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: 26176 Prefixes after maximum aggregation (per Origin AS): 13044 Deaggregation factor: 2.01 Unique aggregates announced (without unneeded subnets): 14750 Number of IPv4 prefixes with a valid ROA: 13097 Number of IPv4 prefixes with an invalid ROA: 168 Number of IPv4 prefixes with no ROA: 12911 Total ASes present in the Internet Routing Table: 2772 Prefixes per ASN: 9.44 Origin-only ASes present in the Internet Routing Table: 2397 Origin ASes announcing only one prefix: 1048 Transit ASes present in the Internet Routing Table: 375 Transit-only ASes present in the Internet Routing Table: 66 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: 19 Max AS path prepend of ASN (395156) 12 Prefixes from unregistered ASNs in the Routing Table: 1 Number of instances of unregistered ASNs: 1 Number of 32-bit ASNs allocated by the RIRs: 45169 Number of 32-bit ASNs visible in the Routing Table: 664 Prefixes from 32-bit ASNs in the Routing Table: 4771 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: 9 Number of addresses announced to Internet: 240225644 Equivalent to 14 /8s, 81 /16s and 141 /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: 3655 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4745 Total APNIC prefixes after maximum aggregation: 2330 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4807 Unique aggregates announced from the APNIC address blocks: 2737 APNIC Region origin ASes present in the Internet Routing Table: 581 APNIC Prefixes per ASN: 8.27 APNIC Region origin ASes announcing only one prefix: 241 APNIC Region transit ASes present in the Internet Routing Table: 62 Average APNIC Region AS path length visible: 5.7 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 225 Number of APNIC addresses announced to Internet: 45900352 Equivalent to 2 /8s, 188 /16s and 98 /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: 15161 Total ARIN prefixes after maximum aggregation: 7023 ARIN Deaggregation factor: 2.16 Prefixes being announced from the ARIN address blocks: 14892 Unique aggregates announced from the ARIN address blocks: 7789 ARIN Region origin ASes present in the Internet Routing Table: 1264 ARIN Prefixes per ASN: 11.78 ARIN Region origin ASes announcing only one prefix: 443 ARIN Region transit ASes present in the Internet Routing Table: 155 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 214 Number of ARIN addresses announced to Internet: 129956193 Equivalent to 7 /8s, 190 /16s and 249 /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, 393216-402332 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: 3625 Total RIPE prefixes after maximum aggregation: 2904 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3816 Unique aggregates announced from the RIPE address blocks: 3206 RIPE Region origin ASes present in the Internet Routing Table: 676 RIPE Prefixes per ASN: 5.64 RIPE Region origin ASes announcing only one prefix: 303 RIPE Region transit ASes present in the Internet Routing Table: 105 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: 153 Number of RIPE addresses announced to Internet: 57682064 Equivalent to 3 /8s, 112 /16s and 40 /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: 1506 Total LACNIC prefixes after maximum aggregation: 632 LACNIC Deaggregation factor: 2.38 Prefixes being announced from the LACNIC address blocks: 1512 Unique aggregates announced from the LACNIC address blocks: 811 LACNIC Region origin ASes present in the Internet Routing Table: 153 LACNIC Prefixes per ASN: 9.88 LACNIC Region origin ASes announcing only one prefix: 47 LACNIC Region transit ASes present in the Internet Routing Table: 24 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: 60 Number of LACNIC addresses announced to Internet: 4199995 Equivalent to 0 /8s, 64 /16s and 22 /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: 1138 Total AfriNIC prefixes after maximum aggregation: 154 AfriNIC Deaggregation factor: 7.39 Prefixes being announced from the AfriNIC address blocks: 1140 Unique aggregates announced from the AfriNIC address blocks: 199 AfriNIC Region origin ASes present in the Internet Routing Table: 31 AfriNIC Prefixes per ASN: 36.77 AfriNIC Region origin ASes announcing only one prefix: 14 AfriNIC Region transit ASes present in the Internet Routing Table: 7 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 12 Number of AfriNIC addresses announced to Internet: 2475520 Equivalent to 0 /8s, 37 /16s and 198 /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 600 2170 465 SINET-AS Research Organization of Informa 7497 447 180 24 CSTNET-AS-AP Computer Network Information 1237 192 74 145 KREONET-AS-KR KISTI, KR 7575 172 329 115 AARNET-AS-AP Australian Academic and Rese 58647 145 18 2 KAGAWAU-AS Kagawa University, JP 55824 132 18 19 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Resear 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha 4621 69 37 10 UNINET-AS-AP UNINET-, TH 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 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 2771 3567 416 GOOGLE-CLOUD-PLATFORM, US 16509 2284 1772 1033 AMAZON-02, US 14618 991 4180 743 AMAZON-AES, US 15169 829 2007 68 GOOGLE, US 5786 198 16 1 UPRENET, PR 376 191 162 148 RISQ-AS, CA 2920 175 34 7 LACOE, US 270 162 345 88 AS270, US 2152 150 507 97 CENIC-2152, US 18558 140 18 4 NETBLK-RCOEK, 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 1899 250 DFN Verein zur Foerderung eines Deutschen 786 184 1767 181 JANET Jisc Services Limited, GB 8895 136 24 5 ISU Internet Services Unit ISU, SA 559 113 533 103 SWITCH Peering requests: peering@switch.c 1103 96 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 90 26 70 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 76 26 66 NIKS, 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 196 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M 11340 118 25 55 Red Universitaria Nacional, CL 27947 113 0 87 Telconet S.A, EC 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 4270 46 16 1 Red de Interconexion Universitaria, AR 2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a 3596 40 8 4 Universidad Autonoma Metropolitana, MX 28614 38 2 2 Fundacao Universidade Regional de Blumena 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 36914 524 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 327700 47 16 1 MoRENet, MZ 37182 39 8 1 TERNET, TZ 6879 24 2 9 ENSTINET-, EG 37661 13 8 5 NRaE1-AS, NG 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37215 7 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 2771 3567 416 GOOGLE-CLOUD-PLATFORM, US 16509 2284 1772 1033 AMAZON-02, US 14618 991 4180 743 AMAZON-AES, US 15169 829 2007 68 GOOGLE, US 2907 600 2170 465 SINET-AS Research Organization of Informa 36914 524 82 3 KENET-AS, KE 7497 447 180 24 CSTNET-AS-AP Computer Network Information 2018 381 319 71 TENET-1, ZA 680 283 1899 250 DFN Verein zur Foerderung eines Deutschen 5786 198 16 1 UPRENET, PR 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 2284 1251 AMAZON-02, US 15169 829 761 GOOGLE, US 36914 524 521 KENET-AS, KE 7497 447 423 CSTNET-AS-AP Computer Network Information Cente 2018 381 310 TENET-1, ZA 14618 991 248 AMAZON-AES, US 5786 198 197 UPRENET, PR 2920 175 168 LACOE, US 1916 196 153 Rede Nacional de Ensino e Pesquisa, BR 58647 145 143 KAGAWAU-AS Kagawa University, JP 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 26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 164.160.192.0/21 Origin: 37661 NRaE1-AS, NG 164.160.192.0/21 Transit: 37288 WACREN, SN 170.39.88.0/24 Origin: 14618 AMAZON-AES, US 170.39.88.0/24 Transit: 16509 AMAZON-02, US 185.137.157.0/24 Origin: 396982 GOOGLE-CLOUD-PLATFORM, US 185.137.157.0/24 Transit: 15169 GOOGLE, 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 /15:158 /16:2105 /17:513 /18:503 /19:745 /20:2815 /21:1093 /22:1640 /23:1786 /24:14369 /25:43 /26:55 /27:35 /28:20 /29:75 /30:31 /31:39 /32:10 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 502 524 KENET-AS, KE 16509 346 2284 AMAZON-02, US 14618 326 991 AMAZON-AES, US 15169 274 829 GOOGLE, US 396982 224 2771 GOOGLE-CLOUD-PLATFORM, US 8895 131 136 ISU Internet Services Unit ISU, SA 27947 91 113 Telconet S.A, EC 327700 41 47 MoRENet, MZ 1916 39 196 Rede Nacional de Ensino e Pesquisa, BR 23024 38 96 OCDE, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:94 5:21 8:28 12:1 13:46 14:92 15:72 16:119 18:71 23:108 24:3 31:5 34:23 35:48 36:1 37:8 38:10 40:5 41:264 42:10 43:2 44:7 45:70 46:11 47:1 49:10 50:7 52:551 54:163 57:1 58:1 59:19 60:6 61:3 62:9 63:37 64:158 65:16 66:77 67:69 68:17 69:45 70:42 71:3 72:13 74:153 75:1 76:47 77:12 78:3 79:10 80:14 81:25 82:6 83:7 84:7 85:49 86:5 87:4 88:1 89:21 91:57 92:7 93:13 94:2 95:2 96:7 97:1 98:10 99:47 101:2 102:7 103:349 104:224 107:38 108:113 109:12 111:16 113:2 114:32 115:1 116:10 117:62 118:34 119:23 121:28 122:8 123:8 124:42 125:5 128:84 129:38 130:150 131:66 132:67 133:121 134:108 135:3 136:302 137:66 138:60 139:18 140:42 141:7 142:265 143:24 144:42 145:3 146:145 147:77 148:202 149:18 150:41 151:37 152:141 153:15 154:37 155:78 156:142 157:30 158:44 159:154 160:30 161:30 162:81 163:67 164:24 165:65 166:2 167:21 168:159 169:11 170:153 171:1 172:113 173:117 174:2 175:29 176:10 177:6 178:1 179:10 180:16 182:9 184:8 185:110 186:3 187:17 188:18 189:3 190:4 191:13 192:1529 193:286 194:126 195:73 196:147 197:311 198:495 199:327 200:280 201:34 202:651 203:438 204:388 205:145 206:228 207:256 208:145 209:170 210:220 211:14 212:166 213:17 216:195 217:12 218:22 219:5 220:17 222:2 223:14 End of report