IPv4 R&E Routing Table Report 22:10 GMT Thu 24 Nov, 2022 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: 24638 Prefixes after maximum aggregation (per Origin AS): 12291 Deaggregation factor: 2.00 Unique aggregates announced (without unneeded subnets): 13891 Number of IPv4 prefixes with a valid ROA: 10276 Number of IPv4 prefixes with an invalid ROA: 205 Number of IPv4 prefixes with no ROA: 14157 Total ASes present in the Internet Routing Table: 2747 Prefixes per ASN: 8.97 Origin-only ASes present in the Internet Routing Table: 2373 Origin ASes announcing only one prefix: 1046 Transit ASes present in the Internet Routing Table: 374 Transit-only ASes present in the Internet Routing Table: 63 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: 20 Max AS path prepend of ASN ( 10497) 11 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: 40709 Number of 32-bit ASNs visible in the Routing Table: 637 Prefixes from 32-bit ASNs in the Routing Table: 4414 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 4 Number of addresses announced to Internet: 243735939 Equivalent to 14 /8s, 135 /16s and 29 /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: 3206 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4735 Total APNIC prefixes after maximum aggregation: 2314 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4777 Unique aggregates announced from the APNIC address blocks: 2664 APNIC Region origin ASes present in the Internet Routing Table: 587 APNIC Prefixes per ASN: 8.14 APNIC Region origin ASes announcing only one prefix: 253 APNIC Region transit ASes present in the Internet Routing Table: 65 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 227 Number of APNIC addresses announced to Internet: 45990464 Equivalent to 2 /8s, 189 /16s and 194 /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: 13822 Total ARIN prefixes after maximum aggregation: 6251 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 13651 Unique aggregates announced from the ARIN address blocks: 7015 ARIN Region origin ASes present in the Internet Routing Table: 1221 ARIN Prefixes per ASN: 11.18 ARIN Region origin ASes announcing only one prefix: 423 ARIN Region transit ASes present in the Internet Routing Table: 160 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: 183 Number of ARIN addresses announced to Internet: 132905057 Equivalent to 7 /8s, 235 /16s and 248 /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: 3560 Total RIPE prefixes after maximum aggregation: 2843 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3685 Unique aggregates announced from the RIPE address blocks: 3033 RIPE Region origin ASes present in the Internet Routing Table: 664 RIPE Prefixes per ASN: 5.55 RIPE Region origin ASes announcing only one prefix: 296 RIPE Region transit ASes present in the Internet Routing Table: 97 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: 140 Number of RIPE addresses announced to Internet: 57921024 Equivalent to 3 /8s, 115 /16s and 206 /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: 1550 Total LACNIC prefixes after maximum aggregation: 675 LACNIC Deaggregation factor: 2.30 Prefixes being announced from the LACNIC address blocks: 1556 Unique aggregates announced from the LACNIC address blocks: 884 LACNIC Region origin ASes present in the Internet Routing Table: 157 LACNIC Prefixes per ASN: 9.91 LACNIC Region origin ASes announcing only one prefix: 53 LACNIC Region transit ASes present in the Internet Routing Table: 24 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 11 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 61 Number of LACNIC addresses announced to Internet: 4232418 Equivalent to 0 /8s, 64 /16s and 148 /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: 965 Total AfriNIC prefixes after maximum aggregation: 202 AfriNIC Deaggregation factor: 4.78 Prefixes being announced from the AfriNIC address blocks: 965 Unique aggregates announced from the AfriNIC address blocks: 291 AfriNIC Region origin ASes present in the Internet Routing Table: 49 AfriNIC Prefixes per ASN: 19.69 AfriNIC Region origin ASes announcing only one prefix: 21 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: 13 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2685952 Equivalent to 0 /8s, 40 /16s and 252 /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 582 2156 458 SINET-AS Research Organization of Infor 7497 434 182 24 CSTNET-AS-AP Computer Network Informati 1237 189 74 134 KREONET-AS-KR KISTI, KR 58647 175 18 2 KAGAWAU-AS Kagawa University, JP 7575 174 329 120 AARNET-AS-AP Australian Academic and Re 4538 129 4192 73 ERX-CERNET-BKB China Education and Rese 55824 115 18 11 NKN-CORE-NW NKN Core Network, IN 4621 74 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 2564 3482 359 GOOGLE-CLOUD-PLATFORM, US 16509 1821 1611 734 AMAZON-02, US 15169 797 2318 63 GOOGLE, US 14618 715 3985 523 AMAZON-AES, US 376 203 178 152 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 2152 152 507 90 CSUNET-NW, US 18558 134 18 4 NETBLK-RCOEK, US 270 120 329 85 AS270, US 23024 113 7 17 OCDE, 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 680 281 1935 249 DFN Verein zur Foerderung eines Deutsch 786 186 1775 183 JANET Jisc Services Limited, GB 8895 153 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 100 1520 87 SURFNET-NL SURFnet, The Netherlands, NL 2614 95 27 75 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 178 208 44 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 27947 116 0 86 Telconet S.A, EC 11340 109 25 53 Red Universitaria Nacional, CL 1251 59 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 4270 44 16 1 Red de Interconexion Universitaria, AR 28571 40 40 18 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 375 319 72 TENET-1, ZA 36914 240 82 3 KENET-AS, KE 2561 68 4 33 EUN, EG 8094 48 48 15 PUKNET, ZA 327687 41 28 3 RENU, UG 327700 34 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 20 8 1 TERNET, TZ 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 2564 3482 359 GOOGLE-CLOUD-PLATFORM, US 16509 1821 1611 734 AMAZON-02, US 15169 797 2318 63 GOOGLE, US 14618 715 3985 523 AMAZON-AES, US 2907 582 2156 458 SINET-AS Research Organization of Infor 7497 434 182 24 CSTNET-AS-AP Computer Network Informati 2018 375 319 72 TENET-1, ZA 680 281 1935 249 DFN Verein zur Foerderung eines Deutsch 36914 240 82 3 KENET-AS, KE 376 203 178 152 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 1821 1087 AMAZON-02, US 15169 797 734 GOOGLE, US 7497 434 410 CSTNET-AS-AP Computer Network Information Cente 2018 375 303 TENET-1, ZA 36914 240 237 KENET-AS, KE 5786 199 198 UPRENET, PR 14618 715 192 AMAZON-AES, US 58647 175 173 KAGAWAU-AS Kagawa University, JP 8895 153 149 ISU Internet Services Unit ISU, SA 1916 178 134 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 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 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 395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US 394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 192.31.196.0/24 Origin: 112 UNASSIGNED 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US 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 /14:77 /15:158 /16:2099 /17:491 /18:476 /19:711 /20:2768 /21:1015 /22:1603 /23:1694 /24:13081 /25:82 /26:56 /27:88 /28:24 /29:78 /30:37 /31:31 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 15169 274 797 GOOGLE, US 16509 256 1821 AMAZON-02, US 14618 237 715 AMAZON-AES, US 36914 227 240 KENET-AS, KE 396982 169 2564 GOOGLE-CLOUD-PLATFORM, US 8895 148 153 ISU Internet Services Unit ISU, SA 27947 97 116 Telconet S.A, EC 32440 77 92 LONI, US 23024 52 113 OCDE, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4 3:62 5:17 8:28 12:1 13:44 14:86 15:54 16:5 18:86 23:114 24:3 31:10 34:8 35:46 37:2 38:9 40:1 41:129 42:10 44:5 45:45 46:10 47:1 49:10 50:1 52:531 54:227 58:1 59:20 60:4 61:3 62:7 63:36 64:157 65:13 66:65 67:58 68:10 69:36 70:43 71:3 72:15 74:147 76:42 77:8 78:3 79:10 80:17 81:28 82:8 83:6 84:5 85:46 86:4 87:2 88:1 89:16 91:57 92:2 93:4 94:4 95:4 96:6 97:2 98:11 99:46 101:7 102:10 103:335 104:190 107:33 108:95 109:13 110:4 111:16 114:30 115:1 116:8 117:61 118:32 119:23 121:27 122:8 123:8 124:39 125:4 128:86 129:46 130:143 131:62 132:62 133:146 134:98 135:4 136:281 137:90 138:9 139:17 140:43 141:4 142:244 143:29 144:39 145:2 146:143 147:67 148:198 149:16 150:130 151:10 152:80 153:14 154:28 155:62 156:70 157:28 158:46 159:149 160:26 161:30 162:57 163:79 164:20 165:54 166:1 167:22 168:155 169:14 170:98 171:1 172:113 173:108 174:1 175:31 176:11 177:10 178:2 179:9 180:18 182:4 184:3 185:80 186:3 187:19 188:18 189:3 190:6 191:36 192:1458 193:317 194:129 195:85 196:162 197:145 198:489 199:296 200:223 201:36 202:633 203:433 204:360 205:148 206:201 207:183 208:114 209:154 210:185 211:13 212:155 213:15 216:160 217:12 218:22 219:6 220:17 222:5 223:4 End of report