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 10 Oct, 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: 1076777 Prefixes after maximum aggregation (per Origin AS): 415287 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 535832 Number of IPv4 prefixes with a valid ROA: 756704 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 320049 Total ASes present in the Internet Routing Table: 79432 Prefixes per ASN: 13.56 Origin-only ASes present in the Internet Routing Table: 68013 Origin ASes announcing only one prefix: 27916 Transit ASes present in the Internet Routing Table: 11419 Transit-only ASes present in the Internet Routing Table: 622 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 250 Max AS path prepend of ASN ( 17210) 245 Prefixes from unregistered ASNs in the Routing Table: 1089 Number of instances of unregistered ASNs: 1110 Number of 32-bit ASNs allocated by the RIRs: 51623 Number of 32-bit ASNs visible in the Routing Table: 41866 Prefixes from 32-bit ASNs in the Routing Table: 242955 Number of bogon 32-bit ASNs visible in the Routing Table: 48 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 474 Number of addresses announced to Internet: 3126640037 Equivalent to 186 /8s, 92 /16s and 189 /24s Percentage of available address space announced: 84.5 Percentage of allocated address space announced: 84.5 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: 355449 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288750 Total APNIC prefixes after maximum aggregation: 85650 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 276540 Unique aggregates announced from the APNIC address blocks: 110759 APNIC Region origin ASes present in the Internet Routing Table: 15408 APNIC Prefixes per ASN: 17.95 APNIC Region origin ASes announcing only one prefix: 4804 APNIC Region transit ASes present in the Internet Routing Table: 2060 Average APNIC Region AS path length visible: 5.7 Max APNIC Region AS path length visible: 40 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10997 Number of APNIC addresses announced to Internet: 749813056 Equivalent to 44 /8s, 177 /16s and 61 /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: 316025 Total ARIN prefixes after maximum aggregation: 140496 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 312952 Unique aggregates announced from the ARIN address blocks: 153417 ARIN Region origin ASes present in the Internet Routing Table: 19529 ARIN Prefixes per ASN: 16.02 ARIN Region origin ASes announcing only one prefix: 7208 ARIN Region transit ASes present in the Internet Routing Table: 2019 Average ARIN Region AS path length visible: 5.0 Max ARIN Region AS path length visible: 250 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5833 Number of ARIN addresses announced to Internet: 1354986275 Equivalent to 80 /8s, 195 /16s and 115 /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: 300292 Total RIPE prefixes after maximum aggregation: 149571 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 306680 Unique aggregates announced from the RIPE address blocks: 201051 RIPE Region origin ASes present in the Internet Routing Table: 29901 RIPE Prefixes per ASN: 10.26 RIPE Region origin ASes announcing only one prefix: 12365 RIPE Region transit ASes present in the Internet Routing Table: 4150 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 108 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13980 Number of RIPE addresses announced to Internet: 750474114 Equivalent to 44 /8s, 187 /16s and 83 /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: 132114 Total LACNIC prefixes after maximum aggregation: 31807 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 125737 Unique aggregates announced from the LACNIC address blocks: 51554 LACNIC Region origin ASes present in the Internet Routing Table: 11531 LACNIC Prefixes per ASN: 10.90 LACNIC Region origin ASes announcing only one prefix: 2769 LACNIC Region transit ASes present in the Internet Routing Table: 2618 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9601 Number of LACNIC addresses announced to Internet: 167381696 Equivalent to 9 /8s, 250 /16s and 10 /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: 38507 Total AfriNIC prefixes after maximum aggregation: 7104 AfriNIC Deaggregation factor: 5.42 Prefixes being announced from the AfriNIC address blocks: 54394 Unique aggregates announced from the AfriNIC address blocks: 18648 AfriNIC Region origin ASes present in the Internet Routing Table: 2093 AfriNIC Prefixes per ASN: 25.99 AfriNIC Region origin ASes announcing only one prefix: 770 AfriNIC Region transit ASes present in the Internet Routing Table: 386 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1455 Number of AfriNIC addresses announced to Internet: 103715328 Equivalent to 6 /8s, 46 /16s and 146 /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 14051 8919 100 CHINAMOBILE-CN China Mobile Communication 9498 5102 560 328 BBIL-AP BHARTI Airtel Ltd., IN 4538 4990 4191 72 ERX-CERNET-BKB China Education and Resear 7545 4640 833 274 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 4082 1331 24 VIETEL-AS-AP Viettel Group, VN 56046 3622 886 179 CMNET-JIANGSU-AP China Mobile communicati 7713 3431 1043 69 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3411 1868 98 VNPT-AS-VN VNPT Corp, VN 140292 3079 316 1817 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK CH 24560 2384 538 663 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 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 18665 42594 5610 AMAZON-02 - Amazon.com, Inc., US 22773 4910 3291 453 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4631 307 1088 CABLEONE - CABLE ONE, INC., US 7155 4337 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3835 1305 72 SHAW - Shaw Communications, CA 396982 3546 5380 598 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3280 243 1161 AS-COLOCROSSING - HostPapa, US 749 3133 54647 2384 DNIC-AS-00749 - United States Department 7029 2895 2585 911 WINDSTREAM - Windstream Communications LL 31898 2821 1398 1183 ORACLE-BMC-31898 - Oracle Corporation, US 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 6940 1709 149 UNI2-AS, ES 39891 4976 307 73 ALJAWWALSTC-AS, SA 9009 4374 390 2672 M247, RO 20940 3898 3388 106 AKAMAI-ASN1, NL 212238 3647 262 2770 CDNEXT, GB 12389 3108 2329 864 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2528 371 602 TELLCOM-AS, TR 29355 2523 155 28 KCELL-AS, KZ 3257 1741 2082 978 GTT-BACKBONE GTT, US 8452 1724 1852 17 TE-AS TE-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 13271 3296 616 UNINET, MX 10620 3399 442 1122 Telmex Colombia S.A., CO 13999 2222 493 324 Mega Cable, S.A. de C.V., MX 11830 1860 369 65 Instituto Costarricense de Electricidad y 11664 1509 277 34 Techtel LMDS Comunicaciones Interactivas 28573 1389 2433 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1267 762 225 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1178 371 21 INTEGRATEL PERU S.A.A., PE 22884 1099 73 383 TOTAL PLAY TELECOMUNICACIONES, S.A.P.I. D 27715 1078 75 54 Locaweb Servicos de Internet SA, 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 1972 481 26 RAYA-AS, EG 36992 1943 1543 326 ETISALAT-MISR, EG 24863 1457 389 20 LINKdotNET-AS, EG 36903 1352 588 110 MT-MPLS, MA 36935 1303 524 47 Vodafone-, EG 37069 1128 1100 11 MOBINIL, EG 29571 1086 70 18 ORANGE-COTE-IVOIRE, CI 15399 806 57 60 WANANCHI-, KE 20011 562 162 174 NTT-DATA-Inc, ZA 36914 546 82 3 KENET-AS, KE 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 18665 42594 5610 AMAZON-02 - Amazon.com, Inc., US 9808 14051 8919 100 CHINAMOBILE-CN China Mobile Communication 8151 13271 3296 616 UNINET, MX 12479 6940 1709 149 UNI2-AS, ES 9498 5102 560 328 BBIL-AP BHARTI Airtel Ltd., IN 4538 4990 4191 72 ERX-CERNET-BKB China Education and Resear 39891 4976 307 73 ALJAWWALSTC-AS, SA 22773 4910 3291 453 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 7545 4640 833 274 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4631 307 1088 CABLEONE - CABLE ONE, INC., US 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 14051 13951 CHINAMOBILE-CN China Mobile Communications Grou 8151 13271 12655 UNINET, MX 12479 6940 6791 UNI2-AS, ES 4538 4990 4918 ERX-CERNET-BKB China Education and Research Net 39891 4976 4903 ALJAWWALSTC-AS, SA 9498 5102 4774 BBIL-AP BHARTI Airtel Ltd., IN 22773 4910 4457 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4640 4366 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 4337 4250 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4082 4058 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 4593 UNALLOCATED 2.26.176.0/24 10122 NETSTAR-AS-AP NETSTAR S 4593 UNALLOCATED 2.26.216.0/24 10122 NETSTAR-AS-AP NETSTAR S 4593 UNALLOCATED 2.26.219.0/24 10122 NETSTAR-AS-AP NETSTAR S 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co 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 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., G 23.131.100.0/24 Origin: 401541 OSIE - Osie, ZZ 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN CMC Telecom Infrastructure 23.131.156.0/24 Origin: 401541 OSIE - Osie, ZZ 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN CMC Telecom Infrastructure 23.131.212.0/24 Origin: 401541 OSIE - Osie, ZZ 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN CMC Telecom Infrastructure 23.133.212.0/24 Origin: 18604 AIHOST - Ai Host, LLC, ZZ 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 /12:299 /13:588 /14:1191 /15:2133 /16:13769 /17:8375 /18:13409 /19:25759 /20:46580 /21:53890 /22:114044 /23:111050 /24:685096 /25:66 /26:82 /27:107 /28:30 /29:56 /30:8 /31:1 /32:78 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7428 13271 UNINET, MX 12479 5859 6940 UNI2-AS, ES 39891 3661 4976 ALJAWWALSTC-AS, SA 16509 3612 18665 AMAZON-02 - Amazon.com, Inc., US 6327 3602 3835 SHAW - Shaw Communications, CA 11492 3511 4631 CABLEONE - CABLE ONE, INC., US 7155 3268 4337 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3134 4910 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2234 3399 Telmex Colombia S.A., CO 30036 2187 2533 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) ---------------------------------------------- 1:2070 2:2943 3:1828 4:8 5:5493 6:211 7:6 8:1516 9:308 11:172 12:1082 13:1487 14:2756 15:488 16:316 17:468 18:1736 20:602 21:4 22:188 23:8655 24:2821 25:2 27:2877 28:8 29:19 31:3946 32:33 34:95 35:309 36:4909 37:4453 38:10559 39:1447 40:451 41:4599 42:1048 43:3429 44:528 45:19954 46:4972 47:457 48:171 49:2333 50:2023 51:1037 52:1520 54:474 55:1148 56:11 57:338 58:2760 59:1547 60:1191 61:3243 62:3186 63:1679 64:6721 65:2278 66:6320 67:3328 68:1353 69:4138 70:1086 71:603 72:3297 74:3148 75:1756 76:592 77:2912 78:2164 79:1981 80:2398 81:2308 82:4419 83:1524 84:2176 85:3927 86:1149 87:3039 88:1364 89:4956 90:780 91:8547 92:2790 93:3057 94:4638 95:4779 96:1455 97:305 98:970 99:1161 100:65 101:1377 102:4754 103:32278 104:5795 105:966 106:970 107:3006 108:1735 109:3997 110:2234 111:4287 112:3208 113:1692 114:2629 115:2268 116:2103 117:3890 118:2506 119:2125 120:2874 121:1877 122:3084 123:2212 124:1988 125:3014 126:175 128:1600 129:1001 130:1779 131:2624 132:956 133:483 134:1831 135:676 136:1557 137:1431 138:3431 139:1824 140:1889 141:1908 142:2738 143:2364 144:1936 145:705 146:2257 147:2392 148:2890 149:3575 150:1474 151:3145 152:2482 153:2207 154:9054 155:2378 156:4267 157:2494 158:1659 159:2987 160:4173 161:2164 162:4253 163:2763 164:2475 165:2795 166:1259 167:2418 168:4262 169:988 170:5597 171:1143 172:4981 173:3485 174:894 175:1419 176:4064 177:5623 178:4673 179:2831 180:3346 181:4715 182:4086 183:2620 184:2204 185:22066 186:6574 187:6039 188:4861 189:5004 190:10019 191:2009 192:12013 193:9630 194:8006 195:6029 196:3485 197:3278 198:6371 199:6159 200:8489 201:6947 202:10791 203:10558 204:4700 205:3702 206:4532 207:3913 208:4353 209:5465 210:4879 211:2810 212:5281 213:4137 214:1032 215:50 216:7332 217:3913 218:1969 219:578 220:2241 221:1440 222:1118 223:3656 End of report