This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:20 GMT Sat 25 May, 2024 IPv4 BGP Table (R&E) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/UniGuam/ Analysis Summary ---------------- BGP routing table entries examined: 14488 Prefixes after maximum aggregation (per Origin AS): 7992 Deaggregation factor: 1.81 Unique aggregates announced (without unneeded subnets): 8999 Number of IPv4 prefixes with a valid ROA: 5086 Number of IPv4 prefixes with an invalid ROA: 0 Number of IPv4 prefixes with no ROA: 9402 Total ASes present in the Internet Routing Table: 2100 Prefixes per ASN: 6.90 Origin-only ASes present in the Internet Routing Table: 1778 Origin ASes announcing only one prefix: 781 Transit ASes present in the Internet Routing Table: 322 Transit-only ASes present in the Internet Routing Table: 76 Paths with bogon ASNs present in the IPv4 Routing Table: 24 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 15 Max AS path prepend of ASN ( 47805) 11 Prefixes from unregistered ASNs in the Routing Table: 2 Number of instances of unregistered ASNs: 2 Number of 32-bit ASNs allocated by the RIRs: 44572 Number of 32-bit ASNs visible in the Routing Table: 488 Prefixes from 32-bit ASNs in the Routing Table: 1408 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: 0 Number of addresses announced to Internet: 161392572 Equivalent to 9 /8s, 158 /16s and 167 /24s Percentage of available address space announced: 4.4 Percentage of allocated address space announced: 4.4 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: 1747 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 2802 Total APNIC prefixes after maximum aggregation: 1208 APNIC Deaggregation factor: 2.32 Prefixes being announced from the APNIC address blocks: 2803 Unique aggregates announced from the APNIC address blocks: 1319 APNIC Region origin ASes present in the Internet Routing Table: 355 APNIC Prefixes per ASN: 7.90 APNIC Region origin ASes announcing only one prefix: 155 APNIC Region transit ASes present in the Internet Routing Table: 54 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 160 Number of APNIC addresses announced to Internet: 30319064 Equivalent to 1 /8s, 206 /16s and 161 /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: 6289 Total ARIN prefixes after maximum aggregation: 3445 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 6301 Unique aggregates announced from the ARIN address blocks: 3989 ARIN Region origin ASes present in the Internet Routing Table: 898 ARIN Prefixes per ASN: 7.02 ARIN Region origin ASes announcing only one prefix: 311 ARIN Region transit ASes present in the Internet Routing Table: 129 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 137 Number of ARIN addresses announced to Internet: 69340212 Equivalent to 4 /8s, 34 /16s and 12 /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, 393216-402332 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: 3325 Total RIPE prefixes after maximum aggregation: 2639 RIPE Deaggregation factor: 1.26 Prefixes being announced from the RIPE address blocks: 3315 Unique aggregates announced from the RIPE address blocks: 2719 RIPE Region origin ASes present in the Internet Routing Table: 592 RIPE Prefixes per ASN: 5.60 RIPE Region origin ASes announcing only one prefix: 255 RIPE Region transit ASes present in the Internet Routing Table: 92 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 127 Number of RIPE addresses announced to Internet: 55469440 Equivalent to 3 /8s, 78 /16s and 101 /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 196608-216475 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: 1336 Total LACNIC prefixes after maximum aggregation: 519 LACNIC Deaggregation factor: 2.57 Prefixes being announced from the LACNIC address blocks: 1335 Unique aggregates announced from the LACNIC address blocks: 710 LACNIC Region origin ASes present in the Internet Routing Table: 151 LACNIC Prefixes per ASN: 8.84 LACNIC Region origin ASes announcing only one prefix: 48 LACNIC Region transit ASes present in the Internet Routing Table: 24 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 15 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 55 Number of LACNIC addresses announced to Internet: 4168752 Equivalent to 0 /8s, 63 /16s and 156 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 734 Total AfriNIC prefixes after maximum aggregation: 179 AfriNIC Deaggregation factor: 4.10 Prefixes being announced from the AfriNIC address blocks: 734 Unique aggregates announced from the AfriNIC address blocks: 262 AfriNIC Region origin ASes present in the Internet Routing Table: 27 AfriNIC Prefixes per ASN: 27.19 AfriNIC Region origin ASes announcing only one prefix: 12 AfriNIC Region transit ASes present in the Internet Routing Table: 7 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9 Number of AfriNIC addresses announced to Internet: 2095104 Equivalent to 0 /8s, 31 /16s and 248 /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 7497 440 180 24 CSTNET-AS-AP Computer Network Informati 7575 333 330 121 AARNET-AS-AP Australian Academic and Re 55824 131 19 19 NKN-CORE-NW NKN Core Network, IN 4538 127 4192 72 ERX-CERNET-BKB China Education and Rese 4762 70 4 1 MAHIDOL-BORDER-AS Mahidol University, T 24313 70 16 1 NSW-DET-AS NSW Department of Education, 2697 58 4 34 ERX-ERNET-AS Education and Research Net 1659 52 1466 35 ERX-TANET-ASN1 Taiwan Academic Network 38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Su 7645 45 32 2 DEAKINUNIVERSITY-AS-AP Deakin Universit Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 668 204 648 173 DNIC-AS-00668, US 376 203 162 152 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 2152 186 507 95 CSUNET-NW, US 2920 177 34 7 LACOE, US 18558 140 18 4 NETBLK-RCOEK, US 81 133 517 33 NCREN, US 1 128 2 49 LVLT-1, US 32440 118 35 18 LONI, US 270 117 328 81 AS270, US Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 282 1899 249 DFN Verein zur Foerderung eines Deutsch 786 187 1767 184 JANET Jisc Services Limited, GB 8895 159 24 5 ISU Internet Services Unit ISU, SA 559 113 533 103 SWITCH Peering requests: peering@switch 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 93 27 73 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 74 26 64 RUNNET, RU Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 156 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 107 9 52 Red Universitaria Nacional, CL 271640 65 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 49 16 2 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo 28614 38 2 2 Fundacao Universidade Regional de Blume 3596 36 4 3 Universidad Autonoma Metropolitana, MX 1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 380 319 71 TENET-1, ZA 36914 128 10 36 KENET-AS, KE 8094 47 48 18 PUKNET, ZA 327700 45 16 1 MoRENet, MZ 37215 36 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37654 14 1 8 RwEdNet-AS, RW 37182 12 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 7497 440 180 24 CSTNET-AS-AP Computer Network Informati 2018 380 319 71 TENET-1, ZA 7575 333 330 121 AARNET-AS-AP Australian Academic and Re 680 282 1899 249 DFN Verein zur Foerderung eines Deutsch 668 204 648 173 DNIC-AS-00668, US 376 203 162 152 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 786 187 1767 184 JANET Jisc Services Limited, GB 2152 186 507 95 CSUNET-NW, US 2920 177 34 7 LACOE, US Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 2018 380 309 TENET-1, ZA 7575 333 212 AARNET-AS-AP Australian Academic and Research N 5786 198 197 UPRENET, PR 2920 177 170 LACOE, US 8895 159 154 ISU Internet Services Unit ISU, SA 18558 140 136 NETBLK-RCOEK, US 1916 156 113 Rede Nacional de Ensino e Pesquisa, BR 55824 131 112 NKN-CORE-NW NKN Core Network, IN 81 133 100 NCREN, US 32440 118 100 LONI, US Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US 18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-badAS 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 /10:1 /11:1 /12:10 /13:17 /14:26 /15:116 /16:1512 /17:344 /18:350 /19:411 /20:669 /21:682 /22:1034 /23:1136 /24:7800 /25:71 /26:43 /27:128 /28:32 /29:68 /30:25 /31:7 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8895 154 159 ISU Internet Services Unit ISU, SA 36914 124 128 KENET-AS, KE 32440 84 118 LONI, US 23024 51 108 OCDE, US 1 43 128 LVLT-1, US 327700 40 45 MoRENet, MZ 200521 33 56 SEAP-AGE, ES 3267 32 74 RUNNET, RU 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 30 44 HCCS, US Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 4:2 5:15 6:4 8:2 14:91 23:4 24:1 31:1 35:2 38:9 41:201 42:10 44:3 45:30 46:5 47:1 49:9 50:3 59:17 60:6 61:2 62:8 63:3 64:17 65:1 66:27 67:42 68:5 69:13 70:2 72:5 74:14 76:41 77:11 78:2 79:10 80:12 81:23 82:7 83:5 84:1 85:25 86:5 87:1 89:10 91:43 92:2 93:4 94:2 95:2 96:5 97:2 98:2 101:1 102:5 103:205 104:76 108:2 109:7 113:1 116:8 118:34 119:21 121:8 122:8 123:8 124:41 125:5 128:59 129:30 130:85 131:38 132:62 134:24 136:198 137:169 138:65 139:13 140:34 141:1 142:23 143:24 144:23 145:1 146:133 147:24 148:193 149:11 150:33 151:9 152:134 153:78 154:32 155:51 156:134 157:18 158:35 159:118 160:4 161:11 162:24 163:49 164:8 165:10 166:1 167:13 168:120 169:4 170:88 171:1 172:3 173:6 175:18 176:8 177:5 179:10 180:15 182:4 184:4 185:42 186:3 187:18 188:12 189:3 190:16 191:13 192:1112 193:248 194:114 195:59 196:154 198:318 199:147 200:242 201:37 202:301 203:236 204:288 205:96 206:158 207:171 208:68 209:112 210:99 211:12 212:157 213:5 214:8 216:45 217:8 218:20 220:4 222:1 223:14 End of report