IPv4 R&E Routing Table Report 22:25 GMT Fri 01 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: 23178 Prefixes after maximum aggregation (per Origin AS): 12778 Deaggregation factor: 1.81 Unique aggregates announced (without unneeded subnets): 14682 Number of IPv4 prefixes with a valid ROA: 7492 Number of IPv4 prefixes with an invalid ROA: 93 Number of IPv4 prefixes with no ROA: 15593 Total ASes present in the Internet Routing Table: 2783 Prefixes per ASN: 8.33 Origin-only ASes present in the Internet Routing Table: 2403 Origin ASes announcing only one prefix: 1078 Transit ASes present in the Internet Routing Table: 380 Transit-only ASes present in the Internet Routing Table: 54 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 16 Max AS path prepend of ASN (211089) 11 Prefixes from unregistered ASNs in the Routing Table: 4 Number of instances of unregistered ASNs: 4 Number of 32-bit ASNs allocated by the RIRs: 38968 Number of 32-bit ASNs visible in the Routing Table: 617 Prefixes from 32-bit ASNs in the Routing Table: 1697 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: 288820218 Equivalent to 17 /8s, 55 /16s and 11 /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: 2893 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5077 Total APNIC prefixes after maximum aggregation: 2294 APNIC Deaggregation factor: 2.21 Prefixes being announced from the APNIC address blocks: 5148 Unique aggregates announced from the APNIC address blocks: 2659 APNIC Region origin ASes present in the Internet Routing Table: 571 APNIC Prefixes per ASN: 9.02 APNIC Region origin ASes announcing only one prefix: 243 APNIC Region transit ASes present in the Internet Routing Table: 68 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 221 Number of APNIC addresses announced to Internet: 46206572 Equivalent to 2 /8s, 193 /16s and 14 /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: 12222 Total ARIN prefixes after maximum aggregation: 6914 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 12045 Unique aggregates announced from the ARIN address blocks: 8038 ARIN Region origin ASes present in the Internet Routing Table: 1267 ARIN Prefixes per ASN: 9.51 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: 175367006 Equivalent to 10 /8s, 115 /16s and 227 /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: 3519 Total RIPE prefixes after maximum aggregation: 2809 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3616 Unique aggregates announced from the RIPE address blocks: 2916 RIPE Region origin ASes present in the Internet Routing Table: 672 RIPE Prefixes per ASN: 5.38 RIPE Region origin ASes announcing only one prefix: 309 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: 59683712 Equivalent to 3 /8s, 142 /16s and 179 /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: 1430 Total LACNIC prefixes after maximum aggregation: 567 LACNIC Deaggregation factor: 2.52 Prefixes being announced from the LACNIC address blocks: 1435 Unique aggregates announced from the LACNIC address blocks: 772 LACNIC Region origin ASes present in the Internet Routing Table: 165 LACNIC Prefixes per ASN: 8.70 LACNIC Region origin ASes announcing only one prefix: 65 LACNIC Region transit ASes present in the Internet Routing Table: 22 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64 Number of LACNIC addresses announced to Internet: 4708400 Equivalent to 0 /8s, 71 /16s and 216 /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: 926 Total AfriNIC prefixes after maximum aggregation: 190 AfriNIC Deaggregation factor: 4.87 Prefixes being announced from the AfriNIC address blocks: 928 Unique aggregates announced from the AfriNIC address blocks: 291 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 18.56 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2853120 Equivalent to 0 /8s, 43 /16s and 137 /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 2704 4567 1247 AMAZON-02, US 14618 585 3987 448 AMAZON-AES, US 7896 252 51 7 NU-AS, US 668 211 702 179 DNIC-AS-00668, US 8075 207 10885 187 MICROSOFT-CORP-MSN-AS-BLOCK, US 376 202 178 151 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 2152 164 507 91 CSUNET-NW, US 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 97 28 69 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 176 208 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 43 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 374 319 74 TENET-1, ZA 36914 213 82 3 KENET-AS, KE 2561 67 4 32 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 37 28 3 RENU, UG 327700 34 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 2704 4567 1247 AMAZON-02, US 2907 627 2084 457 SINET-AS Research Organization of Infor 14618 585 3987 448 AMAZON-AES, US 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 374 319 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 36914 213 82 3 KENET-AS, KE 668 211 702 179 DNIC-AS-00668, 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 374 300 TENET-1, ZA 7896 252 245 NU-AS, US 7575 349 223 AARNET-AS-AP Australian Academic and Research N 36914 213 210 KENET-AS, KE 58647 201 199 KAGAWAU-AS Kagawa University, JP 5786 200 199 UPRENET, PR 8895 180 176 ISU Internet Services Unit ISU, SA 2907 627 170 SINET-AS Research Organization of Information a 14618 585 137 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 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 /16:2147 /17:465 /18:481 /19:610 /20:1016 /21:1035 /22:1651 /23:1822 /24:13115 /25:83 /26:56 /27:123 /28:58 /29:89 /30:19 /31:5 /32:50 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 439 2704 AMAZON-02, US 36914 200 213 KENET-AS, KE 14618 194 585 AMAZON-AES, US 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 13:110 14:85 15:65 16:5 18:53 23:45 24:3 31:6 35:2 37:7 38:9 40:4 41:126 42:10 44:5 45:46 46:11 47:1 49:10 50:11 52:732 54:251 58:1 59:20 60:4 61:3 62:7 63:42 64:144 65:10 66:71 67:62 68:17 69:45 70:29 71:25 72:16 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 99:58 101:6 102:13 103:335 104:108 107:23 108:24 109:12 110:3 111:21 113:2 114:23 116:5 117:61 118:34 119:22 121:27 122:11 123:8 124:39 125:4 128:75 129:185 130:153 131:98 132:52 133:140 134:99 135:1 136:206 137:246 138:18 139:26 140:53 141:3 142:58 143:33 144:70 145:2 146:128 147:65 148:201 149:15 150:50 151:8 152:81 153:88 154:26 155:61 156:70 157:32 158:46 159:123 160:30 161:30 162:54 163:74 164:28 165:64 166:1 167:23 168:169 169:12 170:121 171:1 172:10 173:18 174:1 175:29 176:12 177:12 178:2 179:10 180:21 182:9 184:4 185:62 186:3 187:19 188:14 189:5 190:33 191:33 192:1510 193:313 194:129 195:77 196:163 197:118 198:531 199:327 200:246 201:39 202:632 203:437 204:367 205:197 206:218 207:197 208:114 209:136 210:180 211:15 212:150 213:16 214:7 216:147 217:11 218:22 219:6 220:16 222:5 223:3 End of report