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 21:25 GMT Sat 15 Aug, 2026 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1073463 Prefixes after maximum aggregation (per Origin AS): 409907 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 527809 Number of IPv4 prefixes with a valid ROA: 736838 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 336601 Total ASes present in the Internet Routing Table: 79110 Prefixes per ASN: 13.57 Origin-only ASes present in the Internet Routing Table: 67698 Origin ASes announcing only one prefix: 27714 Transit ASes present in the Internet Routing Table: 11412 Transit-only ASes present in the Internet Routing Table: 619 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 215 Max AS path prepend of ASN (205624) 210 Prefixes from unregistered ASNs in the Routing Table: 1319 Number of instances of unregistered ASNs: 1360 Number of 32-bit ASNs allocated by the RIRs: 50839 Number of 32-bit ASNs visible in the Routing Table: 41371 Prefixes from 32-bit ASNs in the Routing Table: 239059 Number of bogon 32-bit ASNs visible in the Routing Table: 98 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 430 Number of addresses announced to Internet: 3124294789 Equivalent to 186 /8s, 56 /16s and 244 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 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: 350402 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 294656 Total APNIC prefixes after maximum aggregation: 85032 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 281196 Unique aggregates announced from the APNIC address blocks: 109484 APNIC Region origin ASes present in the Internet Routing Table: 15364 APNIC Prefixes per ASN: 18.30 APNIC Region origin ASes announcing only one prefix: 4738 APNIC Region transit ASes present in the Internet Routing Table: 2062 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 215 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10924 Number of APNIC addresses announced to Internet: 752854336 Equivalent to 44 /8s, 223 /16s and 165 /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, 131072-155961 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: 310649 Total ARIN prefixes after maximum aggregation: 138674 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 308894 Unique aggregates announced from the ARIN address blocks: 150431 ARIN Region origin ASes present in the Internet Routing Table: 19507 ARIN Prefixes per ASN: 15.84 ARIN Region origin ASes announcing only one prefix: 7167 ARIN Region transit ASes present in the Internet Routing Table: 1989 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 47 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5732 Number of ARIN addresses announced to Internet: 1350211075 Equivalent to 80 /8s, 122 /16s and 150 /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, 393216-404380 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 296929 Total RIPE prefixes after maximum aggregation: 146977 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 302274 Unique aggregates announced from the RIPE address blocks: 196987 RIPE Region origin ASes present in the Internet Routing Table: 29720 RIPE Prefixes per ASN: 10.17 RIPE Region origin ASes announcing only one prefix: 12297 RIPE Region transit ASes present in the Internet Routing Table: 4141 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13726 Number of RIPE addresses announced to Internet: 749528962 Equivalent to 44 /8s, 172 /16s and 231 /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 196608-219547 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 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: 131271 Total LACNIC prefixes after maximum aggregation: 31469 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 125523 Unique aggregates announced from the LACNIC address blocks: 51382 LACNIC Region origin ASes present in the Internet Routing Table: 11468 LACNIC Prefixes per ASN: 10.95 LACNIC Region origin ASes announcing only one prefix: 2785 LACNIC Region transit ASes present in the Internet Routing Table: 2628 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9557 Number of LACNIC addresses announced to Internet: 168074944 Equivalent to 10 /8s, 4 /16s and 158 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 38639 Total AfriNIC prefixes after maximum aggregation: 7035 AfriNIC Deaggregation factor: 5.49 Prefixes being announced from the AfriNIC address blocks: 55146 Unique aggregates announced from the AfriNIC address blocks: 19178 AfriNIC Region origin ASes present in the Internet Routing Table: 2062 AfriNIC Prefixes per ASN: 26.74 AfriNIC Region origin ASes announcing only one prefix: 727 AfriNIC Region transit ASes present in the Internet Routing Table: 391 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 58 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1432 Number of AfriNIC addresses announced to Internet: 103360768 Equivalent to 6 /8s, 41 /16s and 41 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 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 9808 14311 8966 148 CHINAMOBILE-CN - China Mobile Communicati 7545 5832 818 448 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5065 559 343 BBIL-AP - BHARTI Airtel Ltd., IN 4538 4882 4192 73 ERX-CERNET-BKB - China Education and Rese 18403 4616 347 24 FPT-VN - FPT Telecom Company, VN 7552 4026 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3739 1044 63 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3726 905 221 CMNET-Jiangsu-AP - China Mobile communica 45899 3408 1868 98 VNPT-AS-VN - VNPT Corp, VN 17561 2868 180 497 LCS-AS-AP - LARUS Limited, HK Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15824 42037 5664 AMAZON-02 - Amazon.com, Inc., US 22773 4799 3165 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4615 306 1134 CABLEONE - CABLE ONE, INC., US 7155 3998 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 174 3767 8838 694 COGENT-174 - Cogent Communications, LLC, 6327 3738 1305 74 SHAW - Shaw Communications, CA 396982 3458 4879 546 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3188 238 1105 AS-COLOCROSSING - HostPapa, US 749 3133 54647 2384 DNIC-AS-00749 - United States Department 7029 2762 2589 887 WINDSTREAM - Windstream Communications LL Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6981 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4161 375 2548 M247 - M247 Europe SRL, RO 20940 3917 3388 102 AKAMAI-ASN1 - Akamai International B.V., 212238 3511 253 2650 CDNEXT - Datacamp Limited, GB 12389 3128 2330 871 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2520 150 27 KCELL-AS - Kcell JSC, KZ 34984 2482 367 586 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1944 122 909 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1715 1852 17 TE-AS - IDDQD-AS, EG Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12893 3263 698 AS8151 - UNINET, MX 10620 3444 451 1107 AS10620 - Telmex Colombia S.A., CO 13999 2271 499 331 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1885 369 65 AS11830 - Instituto Costarricense de Elec 11664 1499 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1377 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1169 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1097 70 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1047 2344 93 AS26615 - TIM S/A, BR Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1984 561 33 Vodafone Data - Vodafone Data, EG 36992 1928 1543 333 ETISALAT MISR - ETISALAT MISR, EG 36903 1350 587 104 Office National des Postes et Telecommuni 24863 1296 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1253 524 47 Vodafone Data - Vodafone Data, EG 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 587 55 191 Africa on Cloud - Africa on Cloud, ZA 15399 552 57 62 Wananchi Group (Kenya) Limited - Wananchi 36914 550 82 3 Kenya Education Network - Kenya Education Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15824 42037 5664 AMAZON-02 - Amazon.com, Inc., US 9808 14311 8966 148 CHINAMOBILE-CN - China Mobile Communicati 8151 12893 3263 698 AS8151 - UNINET, MX 12479 6981 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5832 818 448 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5065 559 343 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 4538 4882 4192 73 ERX-CERNET-BKB - China Education and Rese 22773 4799 3165 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4616 347 24 FPT-VN - FPT Telecom Company, VN Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 14311 14163 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12893 12195 AS8151 - UNINET, MX 12479 6981 6831 UNI2-AS - Orange Espagne SA, ES 7545 5832 5384 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 4538 4882 4809 ERX-CERNET-BKB - China Education and Research N 9498 5065 4722 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4616 4592 FPT-VN - FPT Telecom Company, VN 22773 4799 4432 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4026 4002 VIETEL-AS-AP - Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Com 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/Guam/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 3605 ERX-KUENTOS-AS - Guam Cablevision, LLC., 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C Complete listing at https://bgp.nsrc.org/REN/Guam/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 /8:16 /9:14 /10:39 /11:97 /12:300 /13:593 /14:1192 /15:2131 /16:13790 /17:8428 /18:13416 /19:25891 /20:47298 /21:54266 /22:114532 /23:111284 /24:679742 /25:68 /26:83 /27:107 /28:33 /29:56 /30:8 /31:1 /32:78 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7091 12893 AS8151 - UNINET, MX 12479 5912 6981 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3519 3738 SHAW - Shaw Communications, CA 11492 3511 4615 CABLEONE - CABLE ONE, INC., US 22773 3054 4799 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2995 15824 AMAZON-02 - Amazon.com, Inc., US 7155 2951 3998 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2248 3444 AS10620 - Telmex Colombia S.A., CO 30036 2209 2555 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2657 2:2879 3:1023 4:7 5:5184 6:207 7:6 8:1396 9:96 11:172 12:1101 13:866 14:2792 15:487 16:268 17:458 18:944 20:619 21:4 22:188 23:8603 24:2724 25:2 27:2886 28:6 29:19 31:3817 32:38 34:95 35:295 36:4891 37:4467 38:11471 39:1377 40:426 41:4706 42:2236 43:3481 44:485 45:19926 46:4986 47:487 48:171 49:2305 50:2014 51:875 52:1369 54:325 55:1081 56:11 57:335 58:2506 59:1543 60:1244 61:3287 62:3167 63:1744 64:6613 65:2143 66:6257 67:3345 68:1287 69:4067 70:1046 71:603 72:3243 74:3092 75:1599 76:593 77:2918 78:2124 79:1838 80:2366 81:2306 82:4395 83:1496 84:2156 85:3919 86:1131 87:2970 88:1338 89:4837 90:765 91:8512 92:2763 93:3068 94:4502 95:4745 96:1450 97:306 98:932 99:968 100:73 101:1366 102:4932 103:32615 104:5657 105:1108 106:922 107:2985 108:1374 109:3960 110:2290 111:4283 112:3148 113:1966 114:2528 115:2326 116:2126 117:3688 118:3005 119:2145 120:2870 121:1769 122:3092 123:2311 124:1761 125:3025 126:156 128:1576 129:981 130:1755 131:2548 132:901 133:493 134:1802 135:651 136:1567 137:1403 138:3430 139:1876 140:1934 141:1823 142:2635 143:2208 144:1878 145:673 146:2198 147:2337 148:2824 149:3665 150:1424 151:3058 152:2458 153:2066 154:9826 155:2401 156:4298 157:2478 158:1637 159:2916 160:4035 161:2072 162:4223 163:2706 164:2374 165:2786 166:1192 167:2389 168:4286 169:937 170:5641 171:1126 172:4941 173:3488 174:891 175:1442 176:4047 177:5338 178:4599 179:2578 180:3303 181:4766 182:4063 183:2866 184:2064 185:22011 186:6728 187:5646 188:4704 189:4691 190:10011 191:1797 192:11868 193:9639 194:7994 195:5949 196:3445 197:3243 198:6246 199:6117 200:8470 201:6710 202:11000 203:10660 204:4723 205:3725 206:4461 207:3958 208:4354 209:5430 210:5007 211:2841 212:5240 213:4132 214:1018 215:47 216:7338 217:3747 218:1963 219:611 220:2269 221:1410 222:1121 223:3616 End of report