IPv4 R&E Routing Table Report 22:10 GMT Tue 28 Feb, 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: 24922 Prefixes after maximum aggregation (per Origin AS): 12381 Deaggregation factor: 2.01 Unique aggregates announced (without unneeded subnets): 14066 Number of IPv4 prefixes with a valid ROA: 10613 Number of IPv4 prefixes with an invalid ROA: 240 Number of IPv4 prefixes with no ROA: 14069 Total ASes present in the Internet Routing Table: 2777 Prefixes per ASN: 8.97 Origin-only ASes present in the Internet Routing Table: 2389 Origin ASes announcing only one prefix: 1053 Transit ASes present in the Internet Routing Table: 388 Transit-only ASes present in the Internet Routing Table: 70 Paths with bogon ASNs present in the IPv4 Routing Table: 1 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 24 Max AS path prepend of ASN ( 41264) 21 Prefixes from unregistered ASNs in the Routing Table: 6 Number of instances of unregistered ASNs: 6 Number of 32-bit ASNs allocated by the RIRs: 41309 Number of 32-bit ASNs visible in the Routing Table: 647 Prefixes from 32-bit ASNs in the Routing Table: 4475 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: 4 Number of addresses announced to Internet: 243105736 Equivalent to 14 /8s, 125 /16s and 127 /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: 3318 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4724 Total APNIC prefixes after maximum aggregation: 2308 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4770 Unique aggregates announced from the APNIC address blocks: 2684 APNIC Region origin ASes present in the Internet Routing Table: 582 APNIC Prefixes per ASN: 8.20 APNIC Region origin ASes announcing only one prefix: 248 APNIC Region transit ASes present in the Internet Routing Table: 64 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: 227 Number of APNIC addresses announced to Internet: 45841728 Equivalent to 2 /8s, 187 /16s and 125 /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, 131072-151865 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: 14025 Total ARIN prefixes after maximum aggregation: 6310 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 13838 Unique aggregates announced from the ARIN address blocks: 7124 ARIN Region origin ASes present in the Internet Routing Table: 1225 ARIN Prefixes per ASN: 11.30 ARIN Region origin ASes announcing only one prefix: 422 ARIN Region transit ASes present in the Internet Routing Table: 163 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 186 Number of ARIN addresses announced to Internet: 132612417 Equivalent to 7 /8s, 231 /16s and 129 /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: 3619 Total RIPE prefixes after maximum aggregation: 2873 RIPE Deaggregation factor: 1.26 Prefixes being announced from the RIPE address blocks: 3760 Unique aggregates announced from the RIPE address blocks: 3082 RIPE Region origin ASes present in the Internet Routing Table: 685 RIPE Prefixes per ASN: 5.49 RIPE Region origin ASes announcing only one prefix: 305 RIPE Region transit ASes present in the Internet Routing Table: 100 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 144 Number of RIPE addresses announced to Internet: 58002176 Equivalent to 3 /8s, 117 /16s and 11 /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: 1509 Total LACNIC prefixes after maximum aggregation: 675 LACNIC Deaggregation factor: 2.24 Prefixes being announced from the LACNIC address blocks: 1512 Unique aggregates announced from the LACNIC address blocks: 882 LACNIC Region origin ASes present in the Internet Routing Table: 158 LACNIC Prefixes per ASN: 9.57 LACNIC Region origin ASes announcing only one prefix: 54 LACNIC Region transit ASes present in the Internet Routing Table: 26 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62 Number of LACNIC addresses announced to Internet: 3995719 Equivalent to 0 /8s, 60 /16s and 248 /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: 1039 Total AfriNIC prefixes after maximum aggregation: 209 AfriNIC Deaggregation factor: 4.97 Prefixes being announced from the AfriNIC address blocks: 1038 Unique aggregates announced from the AfriNIC address blocks: 290 AfriNIC Region origin ASes present in the Internet Routing Table: 52 AfriNIC Prefixes per ASN: 19.96 AfriNIC Region origin ASes announcing only one prefix: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 4.4 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: 2652416 Equivalent to 0 /8s, 40 /16s and 121 /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 592 2157 464 SINET-AS Research Organization of Infor 7497 435 182 24 CSTNET-AS-AP Computer Network Informati 1237 188 74 134 KREONET-AS-KR KISTI, KR 58647 177 18 2 KAGAWAU-AS Kagawa University, JP 7575 173 329 119 AARNET-AS-AP Australian Academic and Re 4538 130 4192 73 ERX-CERNET-BKB China Education and Rese 55824 119 18 12 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 2618 3586 354 GOOGLE-CLOUD-PLATFORM, US 16509 1950 1634 771 AMAZON-02, US 15169 797 2254 63 GOOGLE, US 14618 740 3995 551 AMAZON-AES, US 376 199 178 149 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 2152 153 507 92 CSUNET-NW, US 18558 134 18 4 NETBLK-RCOEK, US 270 120 329 85 AS270, US 36492 113 8 27 GOOGLEWIFI, 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 1919 249 DFN Verein zur Foerderung eines Deutsch 786 186 1775 183 JANET Jisc Services Limited, GB 8895 176 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL 2614 94 27 74 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 553 73 449 73 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 180 208 44 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 113 25 50 Red Universitaria Nacional, CL 27947 113 0 83 Telconet S.A, EC 1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 4270 45 16 1 Red de Interconexion Universitaria, AR 19611 37 17 2 Associacao Antonio Vieira - Unisinos, B 28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA 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 72 TENET-1, ZA 36914 252 82 3 KENET-AS, KE 2561 67 4 34 EUN, EG 327687 61 28 3 RENU, UG 8094 47 48 18 PUKNET, ZA 327700 33 16 1 MoRENet, MZ 3208 32 2 1 ARN, DZ 37182 32 8 1 TERNET, TZ 6879 24 2 9 ENSTINET-, EG 37074 13 8 2 UG-AS, GH 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 2618 3586 354 GOOGLE-CLOUD-PLATFORM, US 16509 1950 1634 771 AMAZON-02, US 15169 797 2254 63 GOOGLE, US 14618 740 3995 551 AMAZON-AES, US 2907 592 2157 464 SINET-AS Research Organization of Infor 7497 435 182 24 CSTNET-AS-AP Computer Network Informati 2018 380 319 72 TENET-1, ZA 680 283 1919 249 DFN Verein zur Foerderung eines Deutsch 36914 252 82 3 KENET-AS, KE 376 199 178 149 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 1950 1179 AMAZON-02, US 15169 797 734 GOOGLE, US 7497 435 411 CSTNET-AS-AP Computer Network Information Cente 2018 380 308 TENET-1, ZA 36914 252 249 KENET-AS, KE 5786 199 198 UPRENET, PR 14618 740 189 AMAZON-AES, US 58647 177 175 KAGAWAU-AS Kagawa University, JP 8895 176 172 ISU Internet Services Unit ISU, SA 1916 180 136 Rede Nacional de Ensino e Pesquisa, BR 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 18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA 33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US 64507 DOCUMENT 170.79.91.8/29 27817 Red Nacional Academica de Te 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, 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 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 216.169.147.0/24 Origin: 14618 AMAZON-AES, US 216.169.147.0/24 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 /15:160 /16:2091 /17:487 /18:474 /19:720 /20:2781 /21:1014 /22:1621 /23:1698 /24:13302 /25:91 /26:60 /27:99 /28:27 /29:77 /30:39 /31:30 /32:9 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 281 1950 AMAZON-02, US 15169 272 797 GOOGLE, US 14618 246 740 AMAZON-AES, US 36914 239 252 KENET-AS, KE 396982 181 2618 GOOGLE-CLOUD-PLATFORM, US 8895 171 176 ISU Internet Services Unit ISU, SA 27947 91 113 Telconet S.A, EC 32440 78 103 LONI, US 23024 51 112 OCDE, US 46115 32 35 LUTHER, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:64 5:17 8:28 12:1 13:44 14:89 15:64 16:29 18:47 23:114 24:3 31:10 34:8 35:48 37:1 38:9 40:1 41:139 42:10 44:5 45:51 46:10 47:1 49:7 50:1 52:556 54:228 58:1 59:20 60:4 61:3 62:12 63:36 64:161 65:13 66:64 67:60 68:10 69:36 70:42 71:3 72:15 74:145 76:44 77:11 78:3 79:10 80:17 81:28 82:6 83:6 84:9 85:47 86:5 87:2 88:1 89:17 91:54 92:3 93:4 94:4 95:2 96:7 97:1 98:11 99:46 101:7 102:16 103:339 104:205 107:33 108:98 109:13 110:2 111:16 114:31 115:1 116:8 117:61 118:32 119:21 121:28 122:8 123:8 124:39 125:4 128:86 129:45 130:141 131:61 132:51 133:148 134:99 135:4 136:282 137:106 138:10 139:18 140:44 141:4 142:248 143:28 144:39 145:2 146:143 147:64 148:201 149:16 150:130 151:12 152:81 153:14 154:30 155:65 156:70 157:39 158:41 159:148 160:27 161:31 162:63 163:80 164:20 165:54 166:1 167:22 168:160 169:14 170:104 171:1 172:113 173:111 174:2 175:31 176:11 177:9 178:1 179:9 180:16 182:1 184:3 185:87 186:3 187:19 188:19 189:3 190:5 191:36 192:1465 193:351 194:130 195:88 196:168 197:155 198:497 199:301 200:212 201:34 202:631 203:429 204:362 205:152 206:199 207:180 208:130 209:156 210:186 211:17 212:171 213:15 216:161 217:12 218:22 219:6 220:17 222:5 223:4 End of report