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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Jul 8 21:31:22 UTC 2025


IPv4 R&E Routing Table Report   21:25 GMT Tue 08 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:                             1019418
    Prefixes after maximum aggregation (per Origin AS):          383081
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      485411
    Number of IPv4 prefixes with a valid ROA:                    572538
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         446861
Total ASes present in the Internet Routing Table:                 77138
    Prefixes per ASN:                                             13.22
Origin-only ASes present in the Internet Routing Table:           65966
Origin ASes announcing only one prefix:                           26515
Transit ASes present in the Internet Routing Table:               11172
Transit-only ASes present in the Internet Routing Table:            581
Paths with bogon ASNs present in the IPv4 Routing Table:             62
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      80
    Max AS path prepend of ASN (133647)                              73
Prefixes from unregistered ASNs in the Routing Table:              1081
    Number of instances of unregistered ASNs:                      1116
Number of 32-bit ASNs allocated by the RIRs:                      46788
Number of 32-bit ASNs visible in the Routing Table:               38566
Prefixes from 32-bit ASNs in the Routing Table:                  213451
Number of bogon 32-bit ASNs visible in the Routing Table:            84
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            283
Number of addresses announced to Internet:                   3110229057
    Equivalent to 185 /8s, 98 /16s and 84 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      334048

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

Prefixes being announced by APNIC Region ASes:                   274456
    Total APNIC prefixes after maximum aggregation:               78521
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          265111
    Unique aggregates announced from the APNIC address blocks:   105076
APNIC Region origin ASes present in the Internet Routing Table:   14794
    APNIC Prefixes per ASN:                                       17.92
APNIC Region origin ASes announcing only one prefix:               4478
APNIC Region transit ASes present in the Internet Routing Table:   2011
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         80
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10257
Number of APNIC addresses announced to Internet:              754559296
    Equivalent to 44 /8s, 249 /16s and 169 /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:                    295337
    Total ARIN prefixes after maximum aggregation:               131752
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           296694
    Unique aggregates announced from the ARIN address blocks:    140510
ARIN Region origin ASes present in the Internet Routing Table:    19244
    ARIN Prefixes per ASN:                                        15.42
ARIN Region origin ASes announcing only one prefix:                7024
ARIN Region transit ASes present in the Internet Routing Table:    2013
Average ARIN Region AS path length visible:                         4.9
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5241
Number of ARIN addresses announced to Internet:              1349268992
    Equivalent to 80 /8s, 108 /16s and 54 /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:                    282331
    Total RIPE prefixes after maximum aggregation:               135752
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           281340
    Unique aggregates announced from the RIPE address blocks:    176762
RIPE Region origin ASes present in the Internet Routing Table:    28965
    RIPE Prefixes per ASN:                                         9.71
RIPE Region origin ASes announcing only one prefix:               12006
RIPE Region transit ASes present in the Internet Routing Table:    4012
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          50
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12548
Number of RIPE addresses announced to Internet:               731370433
    Equivalent to 43 /8s, 151 /16s and 211 /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:                  132758
    Total LACNIC prefixes after maximum aggregation:              29683
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         129102
    Unique aggregates announced from the LACNIC address blocks:   49004
LACNIC Region origin ASes present in the Internet Routing Table:  11279
    LACNIC Prefixes per ASN:                                      11.45
LACNIC Region origin ASes announcing only one prefix:              2348
LACNIC Region transit ASes present in the Internet Routing Table:  2547
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9229
Number of LACNIC addresses announced to Internet:             171201344
    Equivalent to 10 /8s, 52 /16s and 83 /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:                  33455
    Total AfriNIC prefixes after maximum aggregation:              6662
    AfriNIC Deaggregation factor:                                  5.02
Prefixes being announced from the AfriNIC address blocks:         46888
    Unique aggregates announced from the AfriNIC address blocks:  13795
AfriNIC Region origin ASes present in the Internet Routing Table:  1924
    AfriNIC Prefixes per ASN:                                     24.37
AfriNIC Region origin ASes announcing only one prefix:              659
AfriNIC Region transit ASes present in the Internet Routing Table:  388
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1291
Number of AfriNIC addresses announced to Internet:            103641088
    Equivalent to 6 /8s, 45 /16s and 112 /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       11891       8919     170  CHINAMOBILE-CN China Mobile Communication
  7545        6136        839     613  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4886       4192      75  ERX-CERNET-BKB China Education and Resear
 18403        4408        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4379       1874      55  VNPT-AS-VN VNPT Corp, VN
  9498        4361        536     314  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3942       1332      28  VIETEL-AS-AP Viettel Group, VN
  7713        3704       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2899        862     526  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 56046        2720        832     219  CMNET-JIANGSU-AP China Mobile communicati

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       13542      40955    5226  AMAZON-02, US
   174        5286       8771     864  COGENT-174, US
 11492        4787        317     605  CABLEONE, US
  7155        3871        287      89  VIASAT-SP-BACKBONE, US
  6327        3637       1320      82  SHAW, CA
 22773        3340       3018     166  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3226      54767    2477  DNIC-AS-00749, US
396982        3193       3854     430  GOOGLE-CLOUD-PLATFORM, US
 16625        2982       1250    2213  AKAMAI-AS, US
  4155        2838        215    1736  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        7666       1713     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        3966       3396     140  AKAMAI-ASN1, NL
  9009        3794        361    2113  M247, RO
 12389        3125       2305     883  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2402        361     582  TELLCOM-AS, TR
  5384        2381        585      29  EMIRATES-INTERNET Emirates Internet, AE
212238        2352        168    1720  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1563       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       12315       3255     575  UNINET, MX
 10620        3509        481    1020  Telmex Colombia S.A., CO
 13999        2541        538     355  Mega Cable, S.A. de C.V., MX
 11830        1987        369      64  Instituto Costarricense de Electricidad y
 28573        1369       2435     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1344        787     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1195        371      22  Telefonica del Peru S.A.A., PE
 11664        1168        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1061         67     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1023        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
 29571        1607        102      33  ORANGE-COTE-IVOIRE, CI
 36903        1249        554      96  MT-MPLS, MA
 36935         770        522      45  Vodafone-, EG
 36992         707       1405     195  ETISALAT-MISR, EG
 24835         683        633      33  RAYA-AS, EG
 20011         603        168     245  INTERNET-SOLUTIONS, ZA
 37069         594        866      19  MOBINIL, EG
 36914         575         82       3  KENET-AS, KE
 15399         541         57      60  WANANCHI-, KE
 37457         537        316      32  Telkom-Internet, ZA

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       13542      40955    5226  AMAZON-02, US
  8151       12315       3255     575  UNINET, MX
  9808       11891       8919     170  CHINAMOBILE-CN China Mobile Communication
 12479        7666       1713     148  UNI2-AS, ES
  7545        6136        839     613  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5286       8771     864  COGENT-174, US
  4538        4886       4192      75  ERX-CERNET-BKB China Education and Resear
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 11492        4787        317     605  CABLEONE, US
 18403        4408        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
  8151       12315        11740  UNINET, MX
  9808       11891        11721  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7666         7518  UNI2-AS, ES
  7545        6136         5523  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4886         4811  ERX-CERNET-BKB China Education and Research Net
 39891        4798         4735  ALJAWWALSTC-AS, SA
   174        5286         4422  COGENT-174, US
 18403        4408         4383  FPT-AS-AP FPT Telecom Company, VN
 45899        4379         4324  VNPT-AS-VN VNPT Corp, VN
 11492        4787         4182  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
    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
    395195  UNALLOCATED  8.38.115.0/24             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
23.147.240.0/24      Origin:     32302  RESERVED, ZZ
23.147.240.0/24     Transit:     32787  PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, 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      /12:298     
/13:581     /14:1207    /15:2167    /16:13883   /17:8518    /18:14323   
/19:25360   /20:45605   /21:53530   /22:113193  /23:109085  /24:630759  
/25:132     /26:112     /27:99      /28:19      /29:74      /30:8       
/31:0       /32:302     

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

   ASN  No of nets  Total ann.  Description
 12479        6590        7666  UNI2-AS, ES
  8151        6509       12315  UNINET, MX
 11492        3581        4787  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3433        3637  SHAW, CA
  7155        2829        3871  VIASAT-SP-BACKBONE, US
 22773        2492        3340  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2321       13542  AMAZON-02, US
 30036        2266        2607  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2196        3509  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)
----------------------------------------------

   1:2466      2:1588      3:819       4:12        5:5110      6:162    
   7:6         8:1590      9:1        11:172      12:1343     13:451    
  14:2620     15:363      16:285      17:385      18:895      20:582    
  21:4        22:188      23:7721     24:2820     25:2        27:2851   
  29:19       31:3469     32:47       33:1        34:84       35:260    
  36:3507     37:4643     38:10528    39:917      40:236      41:4159   
  42:1931     43:2777     44:377      45:19421    46:5210     47:349    
  49:1914     50:1895     51:588      52:1551     54:320      55:1104   
  56:11       57:278      58:2299     59:1367     60:1206     61:3177   
  62:2964     63:1812     64:5583     65:2196     66:4793     67:3131   
  68:1099     69:4031     70:1050     71:628      72:2949     74:2818   
  75:1523     76:607      77:2852     78:1903     79:1738     80:2233   
  81:2100     82:3172     83:1501     84:1836     85:3465     86:1181   
  87:2420     88:1373     89:4458     90:777      91:8527     92:2818   
  93:2988     94:4197     95:4433     96:1505     97:310      98:960    
  99:692     100:72      101:1461    102:4291    103:32847   104:5229   
 105:1169    106:986     107:2638    108:1266    109:4250    110:2296   
 111:3333    112:2249    113:1899    114:1992    115:2265    116:2146   
 117:2603    118:3032    119:2034    120:2195    121:1409    122:2934   
 123:2706    124:1768    125:2933    126:91      128:1665    129:979    
 130:1326    131:2123    132:792     133:450     134:1586    135:392    
 136:1392    137:1273    138:3023    139:1666    140:1651    141:1510   
 142:1921    143:1988    144:1171    145:563     146:2199    147:2109   
 148:2721    149:3024    150:1252    151:2217    152:2096    153:590    
 154:8050    155:1794    156:3249    157:1943    158:1334    159:2514   
 160:3699    161:1898    162:3897    163:2251    164:1904    165:2113   
 166:1506    167:2033    168:4185    169:793     170:5381    171:1017   
 172:4435    173:3388    174:920     175:1347    176:3820    177:5411   
 178:4028    179:2486    180:2681    181:4257    182:3527    183:2245   
 184:2122    185:21829   186:5546    187:4919    188:4432    189:4537   
 190:9869    191:1570    192:11351   193:9529    194:7970    195:5780   
 196:3366    197:3296    198:6125    199:8581    200:8672    201:6504   
 202:10956   203:10951   204:4585    205:3641    206:4536    207:3550   
 208:4312    209:5165    210:4987    211:2791    212:4636    213:3828   
 214:1024    215:46      216:6837    217:3342    218:1431    219:610    
 220:2149    221:1181    222:966     223:2654   

End of report


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