[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Guam (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Wed Jul 23 21:31:15 UTC 2025


IPv4 R&E Routing Table Report   21:25 GMT Wed 23 Jul, 2025

  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:                             1012757
    Prefixes after maximum aggregation (per Origin AS):          384327
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      487737
    Number of IPv4 prefixes with a valid ROA:                    567356
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         445381
Total ASes present in the Internet Routing Table:                 77159
    Prefixes per ASN:                                             13.13
Origin-only ASes present in the Internet Routing Table:           66012
Origin ASes announcing only one prefix:                           26896
Transit ASes present in the Internet Routing Table:               11147
Transit-only ASes present in the Internet Routing Table:            575
Paths with bogon ASNs present in the IPv4 Routing Table:             62
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1125
    Number of instances of unregistered ASNs:                      1159
Number of 32-bit ASNs allocated by the RIRs:                      46887
Number of 32-bit ASNs visible in the Routing Table:               38656
Prefixes from 32-bit ASNs in the Routing Table:                  209461
Number of bogon 32-bit ASNs visible in the Routing Table:            82
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            352
Number of addresses announced to Internet:                   3112776001
    Equivalent to 185 /8s, 137 /16s and 49 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      328639

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   274691
    Total APNIC prefixes after maximum aggregation:               78758
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          265703
    Unique aggregates announced from the APNIC address blocks:   105423
APNIC Region origin ASes present in the Internet Routing Table:   14814
    APNIC Prefixes per ASN:                                       17.94
APNIC Region origin ASes announcing only one prefix:               4505
APNIC Region transit ASes present in the Internet Routing Table:   2008
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10287
Number of APNIC addresses announced to Internet:              754831424
    Equivalent to 44 /8s, 253 /16s and 208 /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:                    294782
    Total ARIN prefixes after maximum aggregation:               132092
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:           296231
    Unique aggregates announced from the ARIN address blocks:    141410
ARIN Region origin ASes present in the Internet Routing Table:    19242
    ARIN Prefixes per ASN:                                        15.40
ARIN Region origin ASes announcing only one prefix:                7034
ARIN Region transit ASes present in the Internet Routing Table:    2001
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5260
Number of ARIN addresses announced to Internet:              1349402880
    Equivalent to 80 /8s, 110 /16s and 65 /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,  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:                    280515
    Total RIPE prefixes after maximum aggregation:               136152
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           279456
    Unique aggregates announced from the RIPE address blocks:    177475
RIPE Region origin ASes present in the Internet Routing Table:    28961
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12040
RIPE Region transit ASes present in the Internet Routing Table:    4016
Average RIPE Region AS path length visible:                         5.5
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12584
Number of RIPE addresses announced to Internet:               732206785
    Equivalent to 43 /8s, 164 /16s and 150 /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,
                        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:                  126190
    Total LACNIC prefixes after maximum aggregation:              29774
    LACNIC Deaggregation factor:                                   4.24
Prefixes being announced from the LACNIC address blocks:         122444
    Unique aggregates announced from the LACNIC address blocks:   49137
LACNIC Region origin ASes present in the Internet Routing Table:  11267
    LACNIC Prefixes per ASN:                                      10.87
LACNIC Region origin ASes announcing only one prefix:              2641
LACNIC Region transit ASes present in the Internet Routing Table:  2529
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9228
Number of LACNIC addresses announced to Internet:             171095872
    Equivalent to 10 /8s, 50 /16s and 183 /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:                  35454
    Total AfriNIC prefixes after maximum aggregation:              6800
    AfriNIC Deaggregation factor:                                  5.21
Prefixes being announced from the AfriNIC address blocks:         48571
    Unique aggregates announced from the AfriNIC address blocks:  14009
AfriNIC Region origin ASes present in the Internet Routing Table:  1928
    AfriNIC Prefixes per ASN:                                     25.19
AfriNIC Region origin ASes announcing only one prefix:              676
AfriNIC Region transit ASes present in the Internet Routing Table:  387
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1297
Number of AfriNIC addresses announced to Internet:            105029120
    Equivalent to 6 /8s, 66 /16s and 158 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & 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       12149       8921     174  CHINAMOBILE-CN China Mobile Communication
  7545        6128        839     610  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4886       4192      75  ERX-CERNET-BKB China Education and Resear
 18403        4496        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4463        535     311  BBIL-AP BHARTI Airtel Ltd., IN
 45899        4378       1874      55  VNPT-AS-VN VNPT Corp, VN
  7552        3943       1332      28  VIETEL-AS-AP Viettel Group, VN
  7713        3702       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 56046        2952        832     220  CMNET-JIANGSU-AP China Mobile communicati
 24560        2910        863     508  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       13777      40980    5292  AMAZON-02, US
   174        5261       8771     860  COGENT-174, US
 11492        4813        319     611  CABLEONE, US
  7155        3869        287      89  VIASAT-SP-BACKBONE, US
  6327        3637       1320      82  SHAW, CA
 22773        3339       3015     165  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3222      54766    2473  DNIC-AS-00749, US
396982        3196       3855     432  GOOGLE-CLOUD-PLATFORM, US
 16625        2989       1255    2217  AKAMAI-AS, US
  4155        2874        218    1728  USDA-1, 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        7594       1712     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        3978       3396     140  AKAMAI-ASN1, NL
  9009        3790        361    2111  M247, RO
 12389        3122       2317     873  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2404        361     584  TELLCOM-AS, TR
  5384        2392        585      29  EMIRATES-INTERNET Emirates Internet, AE
212238        2319        164    1687  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1593       1852      14  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       12303       3259     577  UNINET, MX
 10620        3485        474    1025  Telmex Colombia S.A., CO
 13999        2524        511     349  Mega Cable, S.A. de C.V., MX
 11830        1987        369      64  Instituto Costarricense de Electricidad y
 28573        1373       2435     268  Claro NXT Telecomunicacoes Ltda, BR
  3816        1346        787     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1195        371      22  Telefonica del Peru S.A.A., PE
 11664        1189        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1069         68     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1020        373     162  Axtel, S.A.B. de C.V., MX

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        1728        660      28  RAYA-AS, EG
 29571        1607        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1312       1489     356  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 24863        1227        389      20  LINKdotNET-AS, EG
 37069        1086       1112      11  MOBINIL, EG
 36935         832        520      43  Vodafone-, EG
 36914         581         82       3  KENET-AS, KE
 20011         568        154     212  INTERNET-SOLUTIONS, ZA
 15399         542         57      60  WANANCHI-, 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       13777      40980    5292  AMAZON-02, US
  8151       12303       3259     577  UNINET, MX
  9808       12149       8921     174  CHINAMOBILE-CN China Mobile Communication
 12479        7594       1712     148  UNI2-AS, ES
  7545        6128        839     610  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5261       8771     860  COGENT-174, US
  4538        4886       4192      75  ERX-CERNET-BKB China Education and Resear
 11492        4813        319     611  CABLEONE, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 18403        4496        347      25  FPT-AS-AP 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       12149        11975  CHINAMOBILE-CN China Mobile Communications Grou
  8151       12303        11726  UNINET, MX
 12479        7594         7446  UNI2-AS, ES
  7545        6128         5518  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4886         4811  ERX-CERNET-BKB China Education and Research Net
 39891        4798         4735  ALJAWWALSTC-AS, SA
 18403        4496         4471  FPT-AS-AP FPT Telecom Company, VN
   174        5261         4401  COGENT-174, US
 45899        4378         4323  VNPT-AS-VN VNPT Corp, VN
 11492        4813         4202  CABLEONE, US

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
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    398074  UNALLOCATED  8.28.115.0/24            32787  PROLEXIC-TECHNOLOGIES-D
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

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, US

Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.142.24.0/24       Origin:     62164  HEYMMAN-2, CA
23.142.24.0/24      Transit:     64236  UNREAL-SERVERS, US
23.147.224.0/24      Origin:     27392  639-DATACENTERS, US
23.147.224.0/24     Transit:      3356  LEVEL3, US
23.147.225.0/24      Origin:     27392  639-DATACENTERS, US
23.147.225.0/24     Transit:      3356  LEVEL3, US

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      /10:41      /11:92      /12:299     
/13:582     /14:1215    /15:2169    /16:13904   /17:8473    /18:14297   
/19:25384   /20:45871   /21:53136   /22:113860  /23:106117  /24:626542  
/25:126     /26:112     /27:101     /28:21      /29:72      /30:8       
/31:0       /32:305     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 12479        6542        7594  UNI2-AS, ES
  8151        6525       12303  UNINET, MX
 11492        3606        4813  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3433        3637  SHAW, CA
  7155        2827        3869  VIASAT-SP-BACKBONE, US
 22773        2492        3339  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2369       13777  AMAZON-02, US
 30036        2277        2618  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2196        3485  Telmex Colombia S.A., CO

Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2476      2:1591      3:862       4:12        5:4867      6:163    
   7:6         8:1588      9:1        11:172      12:1340     13:468    
  14:2638     15:366      16:286      17:380      18:901      20:578    
  21:4        22:188      23:7747     24:2742     25:2        27:2864   
  29:19       31:3438     32:39       33:1        34:84       35:261    
  36:3790     37:4604     38:10608    39:935      40:251      41:4343   
  42:2008     43:2808     44:378      45:18867    46:5170     47:354    
  49:1923     50:2015     51:591      52:1554     54:327      55:1105   
  56:11       57:278      58:2295     59:1418     60:1199     61:3074   
  62:3009     63:1804     64:5562     65:2173     66:4750     67:3107   
  68:1074     69:3978     70:1041     71:629      72:2855     74:2806   
  75:1513     76:606      77:2761     78:1902     79:1708     80:2242   
  81:2057     82:3193     83:1489     84:1901     85:3469     86:1183   
  87:2396     88:1317     89:4474     90:778      91:8466     92:2775   
  93:2965     94:4199     95:4427     96:1493     97:309      98:955    
  99:695     100:71      101:1463    102:4058    103:32757   104:5223   
 105:1063    106:979     107:2656    108:1266    109:4261    110:2280   
 111:3400    112:2317    113:1903    114:1986    115:2315    116:2143   
 117:2666    118:3022    119:2042    120:2223    121:1409    122:2934   
 123:2522    124:1795    125:2923    126:91      128:1635    129:980    
 130:1324    131:2067    132:777     133:450     134:1648    135:351    
 136:1449    137:1267    138:2877    139:1661    140:1658    141:1518   
 142:1909    143:1944    144:1184    145:564     146:2200    147:2102   
 148:2714    149:2996    150:1288    151:2232    152:2074    153:590    
 154:7917    155:1862    156:3124    157:1949    158:1342    159:2524   
 160:3620    161:1906    162:3865    163:2265    164:1884    165:2381   
 166:1528    167:2020    168:4039    169:790     170:5168    171:1010   
 172:4243    173:3399    174:917     175:1356    176:3763    177:4878   
 178:3966    179:2362    180:2660    181:4150    182:3544    183:2281   
 184:2103    185:21685   186:5284    187:4732    188:4281    189:4417   
 190:9604    191:1545    192:11382   193:9503    194:7899    195:5727   
 196:3298    197:3202    198:6128    199:8607    200:8280    201:6444   
 202:10990   203:10954   204:4654    205:3607    206:4544    207:3556   
 208:4320    209:5166    210:4983    211:2816    212:4606    213:3836   
 214:1015    215:48      216:6793    217:3369    218:1444    219:601    
 220:2154    221:1203    222:997     223:2774   

End of report


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