IPv4 R&E Routing Table Report 22:25 GMT Thu 07 Apr, 2022 BGP Table (R&E) as seen at UH. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/UniHawaii/ Analysis Summary ---------------- BGP routing table entries examined: 23148 Prefixes after maximum aggregation (per Origin AS): 12796 Deaggregation factor: 1.81 Unique aggregates announced (without unneeded subnets): 14698 Number of IPv4 prefixes with a valid ROA: 7488 Number of IPv4 prefixes with an invalid ROA: 93 Number of IPv4 prefixes with no ROA: 15567 Total ASes present in the Internet Routing Table: 2791 Prefixes per ASN: 8.29 Origin-only ASes present in the Internet Routing Table: 2405 Origin ASes announcing only one prefix: 1077 Transit ASes present in the Internet Routing Table: 386 Transit-only ASes present in the Internet Routing Table: 60 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 17 Max AS path prepend of ASN (211089) 11 Prefixes from unregistered ASNs in the Routing Table: 5 Number of instances of unregistered ASNs: 5 Number of 32-bit ASNs allocated by the RIRs: 39026 Number of 32-bit ASNs visible in the Routing Table: 619 Prefixes from 32-bit ASNs in the Routing Table: 1698 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 6 Number of addresses announced to Internet: 288758010 Equivalent to 17 /8s, 54 /16s and 24 /24s Percentage of available address space announced: 7.8 Percentage of allocated address space announced: 7.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 2888 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5086 Total APNIC prefixes after maximum aggregation: 2300 APNIC Deaggregation factor: 2.21 Prefixes being announced from the APNIC address blocks: 5158 Unique aggregates announced from the APNIC address blocks: 2667 APNIC Region origin ASes present in the Internet Routing Table: 575 APNIC Prefixes per ASN: 8.97 APNIC Region origin ASes announcing only one prefix: 245 APNIC Region transit ASes present in the Internet Routing Table: 69 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 224 Number of APNIC addresses announced to Internet: 46212204 Equivalent to 2 /8s, 193 /16s and 36 /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: 12183 Total ARIN prefixes after maximum aggregation: 6921 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 12006 Unique aggregates announced from the ARIN address blocks: 8039 ARIN Region origin ASes present in the Internet Routing Table: 1268 ARIN Prefixes per ASN: 9.47 ARIN Region origin ASes announcing only one prefix: 438 ARIN Region transit ASes present in the Internet Routing Table: 164 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 172 Number of ARIN addresses announced to Internet: 175434590 Equivalent to 10 /8s, 116 /16s and 235 /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: 3521 Total RIPE prefixes after maximum aggregation: 2819 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3619 Unique aggregates announced from the RIPE address blocks: 2936 RIPE Region origin ASes present in the Internet Routing Table: 672 RIPE Prefixes per ASN: 5.39 RIPE Region origin ASes announcing only one prefix: 308 RIPE Region transit ASes present in the Internet Routing Table: 99 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 16 Number of RIPE region 32-bit ASNs visible in the Routing Table: 134 Number of RIPE addresses announced to Internet: 59615872 Equivalent to 3 /8s, 141 /16s and 170 /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: 1446 Total LACNIC prefixes after maximum aggregation: 568 LACNIC Deaggregation factor: 2.55 Prefixes being announced from the LACNIC address blocks: 1450 Unique aggregates announced from the LACNIC address blocks: 768 LACNIC Region origin ASes present in the Internet Routing Table: 166 LACNIC Prefixes per ASN: 8.73 LACNIC Region origin ASes announcing only one prefix: 66 LACNIC Region transit ASes present in the Internet Routing Table: 23 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65 Number of LACNIC addresses announced to Internet: 4703792 Equivalent to 0 /8s, 71 /16s and 198 /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: 907 Total AfriNIC prefixes after maximum aggregation: 183 AfriNIC Deaggregation factor: 4.96 Prefixes being announced from the AfriNIC address blocks: 909 Unique aggregates announced from the AfriNIC address blocks: 282 AfriNIC Region origin ASes present in the Internet Routing Table: 45 AfriNIC Prefixes per ASN: 20.20 AfriNIC Region origin ASes announcing only one prefix: 20 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24 Number of AfriNIC addresses announced to Internet: 2790144 Equivalent to 0 /8s, 42 /16s and 147 /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 627 2084 457 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 7575 349 330 126 AARNET-AS-AP Australian Academic and Re 58647 201 18 2 KAGAWAU-AS Kagawa University, JP 1237 192 74 135 KREONET-AS-KR KISTI, KR 4538 129 4192 73 ERX-CERNET-BKB China Education and Rese 55824 115 18 11 NKN-CORE-NW NKN Core Network, IN 24313 80 16 1 NSW-DET-AS NSW Department of Education, 4621 79 37 10 UNINET-AS-AP UNINET-, TH 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 2699 4566 1241 AMAZON-02, US 14618 587 3987 450 AMAZON-AES, US 7896 252 51 7 NU-AS, US 668 210 702 178 DNIC-AS-00668, US 8075 208 10885 188 MICROSOFT-CORP-MSN-AS-BLOCK, US 376 202 178 151 RISQ-AS, CA 2152 161 507 91 CSUNET-NW, US 5786 151 16 1 UPRENET, PR 18558 135 18 4 NETBLK-RCOEK, US 270 120 329 88 AS270, US Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 279 1967 245 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 180 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL 2614 96 27 76 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 553 73 449 73 BELWUE BelWue-Koordination, DE 2200 66 647 61 FR-RENATER Reseau National de telecommu 1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 175 208 46 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 94 24 54 Red Universitaria Nacional, CL 1251 60 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 19611 45 17 2 Associacao Antonio Vieira - Unisinos, B 61468 45 3 15 CEDIA, EC 4270 44 16 1 Red de Interconexion Universitaria, AR 28614 38 2 2 Fundacao Universidade Regional de Blume 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 375 319 74 TENET-1, ZA 36914 198 82 3 KENET-AS, KE 2561 67 4 32 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 37 28 3 RENU, UG 327700 33 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 17 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/UniHawaii/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 2699 4566 1241 AMAZON-02, US 2907 627 2084 457 SINET-AS Research Organization of Infor 14618 587 3987 450 AMAZON-AES, US 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 375 319 74 TENET-1, ZA 7575 349 330 126 AARNET-AS-AP Australian Academic and Re 680 279 1967 245 DFN Verein zur Foerderung eines Deutsch 7896 252 51 7 NU-AS, US 668 210 702 178 DNIC-AS-00668, US 8075 208 10885 188 MICROSOFT-CORP-MSN-AS-BLOCK, US Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 432 408 CSTNET-AS-AP Computer Network Information Cente 2018 375 301 TENET-1, ZA 7896 252 245 NU-AS, US 7575 349 223 AARNET-AS-AP Australian Academic and Research N 58647 201 199 KAGAWAU-AS Kagawa University, JP 36914 198 195 KENET-AS, KE 8895 180 176 ISU Internet Services Unit ISU, SA 2907 627 170 SINET-AS Research Organization of Information a 5786 151 150 UPRENET, PR 14618 587 137 AMAZON-AES, US Complete listing at https://bgp.nsrc.org/REN/UniHawaii/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 22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US 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/UniHawaii/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.127.133.128/25 11096 FLORIDANET, US 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 100.127.133.128/25 Origin: 11096 FLORIDANET, US 100.127.133.128/25 Transit: 2153 CSUNET-NE, US 103.151.24.0/24 Origin: 16509 AMAZON-02, US 103.151.24.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US 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 Complete listing at https://bgp.nsrc.org/REN/UniHawaii/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 /10:4 /11:7 /12:28 /13:33 /14:80 /15:200 /16:2148 /17:466 /18:480 /19:608 /20:1016 /21:1035 /22:1654 /23:1824 /24:13081 /25:83 /26:55 /27:123 /28:58 /29:90 /30:19 /31:5 /32:50 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 441 2699 AMAZON-02, US 14618 195 587 AMAZON-AES, US 36914 185 198 KENET-AS, KE 8895 175 180 ISU Internet Services Unit ISU, SA 23024 53 113 OCDE, US 1 35 118 LVLT-1, US 58647 34 201 KAGAWAU-AS Kagawa University, JP 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:3 3:84 4:2 5:16 6:4 8:2 12:1 13:104 14:85 15:67 16:5 18:52 23:47 24:3 31:6 35:2 37:7 38:9 40:4 41:120 42:10 44:5 45:46 46:11 47:1 49:10 50:11 52:725 54:251 58:1 59:20 60:4 61:3 62:7 63:42 64:145 65:10 66:71 67:62 68:17 69:45 70:29 71:25 72:17 74:43 76:39 77:9 78:3 79:10 80:15 81:28 82:6 83:6 84:4 85:42 86:4 87:1 88:1 89:12 91:53 93:23 94:4 95:5 96:6 97:1 98:11 99:58 101:6 102:13 103:338 104:108 107:23 108:24 109:12 110:4 111:21 113:2 114:23 116:5 117:61 118:34 119:23 121:27 122:11 123:8 124:39 125:4 128:82 129:185 130:152 131:98 132:52 133:140 134:99 135:1 136:160 137:246 138:18 139:26 140:53 141:3 142:58 143:33 144:70 145:2 146:128 147:65 148:201 149:15 150:50 151:8 152:81 153:88 154:24 155:62 156:70 157:42 158:46 159:123 160:30 161:30 162:54 163:74 164:28 165:64 166:1 167:23 168:169 169:12 170:123 171:1 172:10 173:18 174:1 175:29 176:12 177:12 178:2 179:10 180:21 182:9 184:6 185:62 186:3 187:19 188:14 189:5 190:33 191:33 192:1509 193:316 194:130 195:77 196:163 197:111 198:531 199:327 200:245 201:39 202:633 203:435 204:369 205:197 206:218 207:197 208:114 209:136 210:183 211:15 212:150 213:16 214:7 216:150 217:11 218:22 219:6 220:16 222:5 223:3 End of report