IPv4 R&E Routing Table Report 22:10 GMT Tue 11 Jul, 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: 25247 Prefixes after maximum aggregation (per Origin AS): 12340 Deaggregation factor: 2.05 Unique aggregates announced (without unneeded subnets): 13959 Number of IPv4 prefixes with a valid ROA: 11485 Number of IPv4 prefixes with an invalid ROA: 191 Number of IPv4 prefixes with no ROA: 13571 Total ASes present in the Internet Routing Table: 2726 Prefixes per ASN: 9.26 Origin-only ASes present in the Internet Routing Table: 2342 Origin ASes announcing only one prefix: 1031 Transit ASes present in the Internet Routing Table: 384 Transit-only ASes present in the Internet Routing Table: 75 Paths with bogon ASNs present in the IPv4 Routing Table: 1 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 20 Max AS path prepend of ASN (395156) 12 Prefixes from unregistered ASNs in the Routing Table: 7 Number of instances of unregistered ASNs: 7 Number of 32-bit ASNs allocated by the RIRs: 42276 Number of 32-bit ASNs visible in the Routing Table: 627 Prefixes from 32-bit ASNs in the Routing Table: 4608 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: 6 Number of addresses announced to Internet: 243215328 Equivalent to 14 /8s, 127 /16s and 43 /24s Percentage of available address space announced: 6.6 Percentage of allocated address space announced: 6.6 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: 3362 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4627 Total APNIC prefixes after maximum aggregation: 2246 APNIC Deaggregation factor: 2.06 Prefixes being announced from the APNIC address blocks: 4672 Unique aggregates announced from the APNIC address blocks: 2614 APNIC Region origin ASes present in the Internet Routing Table: 538 APNIC Prefixes per ASN: 8.68 APNIC Region origin ASes announcing only one prefix: 228 APNIC Region transit ASes present in the Internet Routing Table: 58 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 201 Number of APNIC addresses announced to Internet: 45771072 Equivalent to 2 /8s, 186 /16s and 105 /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: 14284 Total ARIN prefixes after maximum aggregation: 6368 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 14076 Unique aggregates announced from the ARIN address blocks: 7149 ARIN Region origin ASes present in the Internet Routing Table: 1216 ARIN Prefixes per ASN: 11.58 ARIN Region origin ASes announcing only one prefix: 419 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: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 189 Number of ARIN addresses announced to Internet: 132547105 Equivalent to 7 /8s, 230 /16s and 130 /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: 3616 Total RIPE prefixes after maximum aggregation: 2865 RIPE Deaggregation factor: 1.26 Prefixes being announced from the RIPE address blocks: 3777 Unique aggregates announced from the RIPE address blocks: 3099 RIPE Region origin ASes present in the Internet Routing Table: 680 RIPE Prefixes per ASN: 5.55 RIPE Region origin ASes announcing only one prefix: 301 RIPE Region transit ASes present in the Internet Routing Table: 106 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 13 Number of RIPE region 32-bit ASNs visible in the Routing Table: 143 Number of RIPE addresses announced to Internet: 57988608 Equivalent to 3 /8s, 116 /16s and 214 /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: 1629 Total LACNIC prefixes after maximum aggregation: 681 LACNIC Deaggregation factor: 2.39 Prefixes being announced from the LACNIC address blocks: 1633 Unique aggregates announced from the LACNIC address blocks: 866 LACNIC Region origin ASes present in the Internet Routing Table: 161 LACNIC Prefixes per ASN: 10.14 LACNIC Region origin ASes announcing only one prefix: 56 LACNIC Region transit ASes present in the Internet Routing Table: 28 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 66 Number of LACNIC addresses announced to Internet: 4233087 Equivalent to 0 /8s, 64 /16s and 151 /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: 1084 Total AfriNIC prefixes after maximum aggregation: 173 AfriNIC Deaggregation factor: 6.27 Prefixes being announced from the AfriNIC address blocks: 1083 Unique aggregates announced from the AfriNIC address blocks: 225 AfriNIC Region origin ASes present in the Internet Routing Table: 52 AfriNIC Prefixes per ASN: 20.83 AfriNIC Region origin ASes announcing only one prefix: 27 AfriNIC Region transit ASes present in the Internet Routing Table: 9 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28 Number of AfriNIC addresses announced to Internet: 2669824 Equivalent to 0 /8s, 40 /16s and 189 /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 606 2147 466 SINET-AS Research Organization of Infor 7497 434 180 23 CSTNET-AS-AP Computer Network Informati 1237 193 74 139 KREONET-AS-KR KISTI, KR 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 120 18 13 NKN-CORE-NW NKN Core Network, IN 4621 70 37 10 UNINET-AS-AP UNINET-, TH 9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol 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 2675 3594 384 GOOGLE-CLOUD-PLATFORM, US 16509 2127 1685 832 AMAZON-02, US 15169 826 2253 62 GOOGLE, US 14618 790 4013 588 AMAZON-AES, US 376 202 178 150 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 36492 157 11 35 GOOGLEWIFI, US 2152 143 507 93 CSUNET-NW, US 18558 134 18 4 NETBLK-RCOEK, US 81 128 521 31 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 1919 250 DFN Verein zur Foerderung eines Deutsch 786 186 1767 183 JANET Jisc Services Limited, GB 8895 163 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/CEDIA/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 258 192 43 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 27947 125 0 95 Telconet S.A, EC 11340 114 25 51 Red Universitaria Nacional, CL 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 1251 56 36 15 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 4270 48 16 1 Red de Interconexion Universitaria, AR 28571 39 39 17 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/CEDIA/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 370 319 71 TENET-1, ZA 36914 256 82 3 KENET-AS, KE 327687 165 28 3 RENU, UG 8094 48 48 15 PUKNET, ZA 327700 40 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/CEDIA/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2675 3594 384 GOOGLE-CLOUD-PLATFORM, US 16509 2127 1685 832 AMAZON-02, US 15169 826 2253 62 GOOGLE, US 14618 790 4013 588 AMAZON-AES, US 2907 606 2147 466 SINET-AS Research Organization of Infor 7497 434 180 23 CSTNET-AS-AP Computer Network Informati 2018 370 319 71 TENET-1, ZA 680 284 1919 250 DFN Verein zur Foerderung eines Deutsch 1916 258 192 43 Rede Nacional de Ensino e Pesquisa, BR 36914 256 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 2127 1295 AMAZON-02, US 15169 826 764 GOOGLE, US 7497 434 411 CSTNET-AS-AP Computer Network Information Cente 2018 370 299 TENET-1, ZA 36914 256 253 KENET-AS, KE 1916 258 215 Rede Nacional de Ensino e Pesquisa, BR 14618 790 202 AMAZON-AES, US 5786 198 197 UPRENET, PR 58647 178 176 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 29867 UNALLOCATED 64.202.80.0/20 22742 CT-EDU-NET, US 394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US 33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US 64507 DOCUMENT 170.79.91.8/29 27817 Red Nacional Academica de Te 29867 UNALLOCATED 192.160.243.0/24 22742 CT-EDU-NET, US 29867 UNALLOCATED 192.160.244.0/24 22742 CT-EDU-NET, US 394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 76.76.19.0/24 Origin: 16509 AMAZON-02, US 76.76.19.0/24 Transit: 27750 Cooperacion Latino Americana de Redes Av 102.36.194.0/23 Origin: 2018 TENET-1, ZA 102.36.194.0/23 Transit: 27750 Cooperacion Latino Americana de Redes Av 192.31.196.0/24 Origin: 112 UNASSIGNED 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 /10:2 /11:4 /12:20 /13:34 /14:81 /15:161 /16:2083 /17:499 /18:478 /19:729 /20:2772 /21:1034 /22:1635 /23:1721 /24:13556 /25:93 /26:72 /27:79 /28:21 /29:84 /30:41 /31:35 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 291 2127 AMAZON-02, US 15169 273 826 GOOGLE, US 14618 257 790 AMAZON-AES, US 36914 244 256 KENET-AS, KE 396982 196 2675 GOOGLE-CLOUD-PLATFORM, US 8895 158 163 ISU Internet Services Unit ISU, SA 27947 98 125 Telconet S.A, EC 32440 79 108 LONI, US 23024 52 113 OCDE, US 1916 39 258 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 3:78 5:19 8:28 12:1 13:45 14:89 15:69 16:112 18:57 23:114 24:3 31:10 34:20 35:47 38:9 40:1 41:145 42:10 43:1 44:8 45:52 46:11 47:1 49:9 50:2 52:558 54:228 58:1 59:19 60:4 61:3 62:11 63:36 64:167 65:13 66:66 67:60 68:10 69:35 70:43 71:3 72:13 74:143 76:46 77:11 78:3 79:10 80:10 81:26 82:7 83:6 84:10 85:45 86:10 87:2 88:1 89:18 91:56 92:4 93:4 94:4 95:2 96:2 97:1 98:11 99:47 101:3 102:31 103:269 104:212 107:33 108:102 109:12 111:16 114:31 115:1 116:8 117:61 118:32 119:18 121:28 122:8 123:8 124:38 125:4 128:87 129:45 130:142 131:56 132:62 133:155 134:104 135:3 136:295 137:148 138:10 139:17 140:36 141:4 142:276 143:29 144:39 145:2 146:143 147:67 148:201 149:16 150:40 151:14 152:138 153:14 154:31 155:73 156:69 157:28 158:41 159:148 160:27 161:36 162:86 163:83 164:20 165:50 166:1 167:22 168:161 169:12 170:115 171:1 172:114 173:112 174:2 175:27 176:11 177:6 178:1 179:9 180:15 182:1 184:3 185:102 186:3 187:18 188:19 189:3 190:5 191:13 192:1468 193:307 194:125 195:87 196:203 197:161 198:486 199:306 200:292 201:36 202:633 203:429 204:366 205:147 206:200 207:190 208:129 209:162 210:184 211:3 212:170 213:15 216:167 217:12 218:22 219:6 220:16 222:2 223:14 End of report