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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Apr 29 18:45:38 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Tue 29 Apr, 2025

  IPv4 BGP Table (Global) as seen at RENU.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/RENU/

Analysis Summary
----------------

BGP routing table entries examined:                              999651
    Prefixes after maximum aggregation (per Origin AS):          376947
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      478716
    Number of IPv4 prefixes with a valid ROA:                    554466
    Number of IPv4 prefixes with an invalid ROA:                    470
    Number of IPv4 prefixes with no ROA:                         444715
Total ASes present in the Internet Routing Table:                 76856
    Prefixes per ASN:                                             13.01
Origin-only ASes present in the Internet Routing Table:           65938
Origin ASes announcing only one prefix:                           26607
Transit ASes present in the Internet Routing Table:               10918
Transit-only ASes present in the Internet Routing Table:            544
Paths with bogon ASNs present in the IPv4 Routing Table:             78
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                     128
    Max AS path prepend of ASN ( 37447)                             125
Prefixes from unregistered ASNs in the Routing Table:              1072
    Number of instances of unregistered ASNs:                      1073
Number of 32-bit ASNs allocated by the RIRs:                      46298
Number of 32-bit ASNs visible in the Routing Table:               38227
Prefixes from 32-bit ASNs in the Routing Table:                  207661
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            483
Number of addresses announced to Internet:                   3105869056
    Equivalent to 185 /8s, 31 /16s and 205 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      330571

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

Prefixes being announced by APNIC Region ASes:                   258841
    Total APNIC prefixes after maximum aggregation:               76720
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249937
    Unique aggregates announced from the APNIC address blocks:   103138
APNIC Region origin ASes present in the Internet Routing Table:   14599
    APNIC Prefixes per ASN:                                       17.12
APNIC Region origin ASes announcing only one prefix:               4451
APNIC Region transit ASes present in the Internet Routing Table:   1945
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10130
Number of APNIC addresses announced to Internet:              748448768
    Equivalent to 44 /8s, 156 /16s and 108 /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:                    292578
    Total ARIN prefixes after maximum aggregation:               129556
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           294050
    Unique aggregates announced from the ARIN address blocks:    138306
ARIN Region origin ASes present in the Internet Routing Table:    19224
    ARIN Prefixes per ASN:                                        15.30
ARIN Region origin ASes announcing only one prefix:                7038
ARIN Region transit ASes present in the Internet Routing Table:    1956
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5197
Number of ARIN addresses announced to Internet:              1348668928
    Equivalent to 80 /8s, 99 /16s and 14 /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:                    276808
    Total RIPE prefixes after maximum aggregation:               133764
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274434
    Unique aggregates announced from the RIPE address blocks:    174161
RIPE Region origin ASes present in the Internet Routing Table:    28958
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12057
RIPE Region transit ASes present in the Internet Routing Table:    3965
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12435
Number of RIPE addresses announced to Internet:               731596544
    Equivalent to 43 /8s, 155 /16s and 71 /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:                  132376
    Total LACNIC prefixes after maximum aggregation:              29408
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128800
    Unique aggregates announced from the LACNIC address blocks:   48745
LACNIC Region origin ASes present in the Internet Routing Table:  11232
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2403
LACNIC Region transit ASes present in the Internet Routing Table:  2482
Average LACNIC Region AS path length visible:                       5.5
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9177
Number of LACNIC addresses announced to Internet:             171737856
    Equivalent to 10 /8s, 60 /16s and 131 /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:                  37976
    Total AfriNIC prefixes after maximum aggregation:              6861
    AfriNIC Deaggregation factor:                                  5.54
Prefixes being announced from the AfriNIC address blocks:         51947
    Unique aggregates announced from the AfriNIC address blocks:  13971
AfriNIC Region origin ASes present in the Internet Routing Table:  1924
    AfriNIC Prefixes per ASN:                                     27.00
AfriNIC Region origin ASes announcing only one prefix:              658
AfriNIC Region transit ASes present in the Internet Routing Table:  380
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                      128
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1288
Number of AfriNIC addresses announced to Internet:            105189632
    Equivalent to 6 /8s, 69 /16s and 17 /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       10453       8753      92  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4238        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     278  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3920       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3678       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3273       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2859        851     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2190      11523     649  KIXS-AS-KR Korea Telecom, KR
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13233      39701    4087  AMAZON-02, US
   174        5589       8757     933  COGENT-174, US
 11492        4703        312     591  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3385       3034     179  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3074       1291    2245  AKAMAI-AS, US
396982        2966       3651     474  GOOGLE-CLOUD-PLATFORM, US
 36352        2736        225     834  AS-COLOCROSSING, US

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7643       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4018       3395     126  AKAMAI-ASN1, NL
  9009        3777        326    1972  M247, RO
 12389        3070       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2115        150    1553  CDNEXT, GB
  8452        1644       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1429        366      33  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12009       3243     595  UNINET, MX
 10620        3518        485     996  Telmex Colombia S.A., CO
 13999        2511        540     362  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1359       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1332        784     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1197        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1192        371      22  Telefonica del Peru S.A.A., PE
 28202        1129         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1056         67     377  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1744        631      30  RAYA-AS, EG
 24863        1651        389      16  LINKdotNET-AS, EG
 29571        1592        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1431       1518     283  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1020        521      42  Vodafone-, EG
 37069         932       1099      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         560        661     319  IS, ZA

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13233      39701    4087  AMAZON-02, US
  8151       12009       3243     595  UNINET, MX
  9808       10453       8753      92  CHINAMOBILE-CN China Mobile Communication
 12479        7643       1714     145  UNI2-AS, ES
  7545        6211        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5589       8757     933  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4703        312     591  CABLEONE, US
 18403        4238        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     278  BBIL-AP BHARTI Airtel Ltd., IN

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       12009        11414  UNINET, MX
  9808       10453        10361  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7643         7498  UNI2-AS, ES
  7545        6211         5559  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5589         4656  COGENT-174, US
 18403        4238         4213  FPT-AS-AP FPT Telecom Company, VN
 11492        4703         4112  CABLEONE, US
  9498        4237         3959  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3920         3894  VIETEL-AS-AP Viettel Group, VN

Complete listing at https://bgp.nsrc.org/REN/RENU/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
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     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

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
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
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
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/RENU/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       /9:16      /10:41      /11:93      /12:300     
/13:583     /14:1228    /15:2183    /16:13996   /17:8345    /18:13908   
/19:24788   /20:44275   /21:52545   /22:113313  /23:105871  /24:618150  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6566        7643  UNI2-AS, ES
  8151        6193       12009  UNINET, MX
 11492        3530        4703  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2526        3385  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2353       13233  AMAZON-02, US
 30036        2223        2563  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3518  Telmex Colombia S.A., CO

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

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

   1:2345      2:1517      3:627       4:9         5:4968      6:162    
   7:6         8:1590      9:1        11:172      12:1366     13:347    
  14:2514     15:349      16:282      17:366      18:920      20:520    
  21:4        22:188      23:7523     24:2898     25:2        27:2772   
  29:19       31:3271     32:44       34:84       35:206      36:2493   
  37:4711     38:10320    39:907      40:169      41:4465     42:1904   
  43:2607     44:381      45:19246    46:5066     47:294      49:1942   
  50:1908     51:591      52:1552     54:298      55:1023     56:11     
  57:265      58:2201     59:1282     60:1171     61:2992     62:3022   
  63:1835     64:5522     65:2204     66:4712     67:3104     68:1120   
  69:4004     70:1068     71:629      72:2927     74:2803     75:1624   
  76:614      77:2834     78:1886     79:1757     80:2215     81:2072   
  82:3183     83:1438     84:1848     85:3408     86:1050     87:2396   
  88:1300     89:4343     90:780      91:8421     92:2718     93:2907   
  94:4081     95:4352     96:1470     97:312      98:994      99:667    
 100:72      101:1402    102:4298    103:32391   104:4821    105:1225   
 106:1043    107:2618    108:1218    109:4121    110:2229    111:3329   
 112:2051    113:1813    114:1974    115:2250    116:2072    117:2736   
 118:2820    119:1956    120:1886    121:1369    122:2770    123:2403   
 124:1587    125:2862    126:91      128:1603    129:1020    130:1317   
 131:1970    132:775     133:451     134:1544    135:377     136:1312   
 137:1136    138:3051    139:1610    140:1579    141:1494    142:1930   
 143:1678    144:1074    145:520     146:2168    147:2099    148:2686   
 149:2950    150:1257    151:1793    152:2112    153:563     154:8575   
 155:1661    156:3387    157:1885    158:1292    159:2436    160:3662   
 161:1924    162:3759    163:2119    164:1733    165:2227    166:1449   
 167:1892    168:4207    169:800     170:5298    171:1007    172:4410   
 173:3282    174:907     175:1300    176:3722    177:5447    178:3761   
 179:2711    180:2633    181:4200    182:3389    183:2030    184:2144   
 185:21742   186:5467    187:4826    188:4215    189:4438    190:9747   
 191:1935    192:11242   193:9497    194:7849    195:5614    196:3676   
 197:3808    198:6124    199:8504    200:8492    201:6424    202:10465  
 203:10706   204:4535    205:3597    206:4613    207:3452    208:4246   
 209:5199    210:4610    211:2531    212:4564    213:3827    214:1032   
 215:48      216:6756    217:3203    218:1349    219:386     220:2085   
 221:1060    222:720     223:2350   

End of report


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