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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Mar 7 18:45:25 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Fri 07 Mar, 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:                              995113
    Prefixes after maximum aggregation (per Origin AS):          373820
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      476532
    Number of IPv4 prefixes with a valid ROA:                    547036
    Number of IPv4 prefixes with an invalid ROA:                   1568
    Number of IPv4 prefixes with no ROA:                         446509
Total ASes present in the Internet Routing Table:                 76662
    Prefixes per ASN:                                             12.98
Origin-only ASes present in the Internet Routing Table:           65788
Origin ASes announcing only one prefix:                           26513
Transit ASes present in the Internet Routing Table:               10874
Transit-only ASes present in the Internet Routing Table:            538
Paths with bogon ASNs present in the IPv4 Routing Table:             93
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1036
    Number of instances of unregistered ASNs:                      1052
Number of 32-bit ASNs allocated by the RIRs:                      46172
Number of 32-bit ASNs visible in the Routing Table:               37924
Prefixes from 32-bit ASNs in the Routing Table:                  205812
Number of bogon 32-bit ASNs visible in the Routing Table:            63
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            494
Number of addresses announced to Internet:                   3111478272
    Equivalent to 185 /8s, 117 /16s and 100 /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:      328672

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

Prefixes being announced by APNIC Region ASes:                   257744
    Total APNIC prefixes after maximum aggregation:               76076
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          249422
    Unique aggregates announced from the APNIC address blocks:   102655
APNIC Region origin ASes present in the Internet Routing Table:   14504
    APNIC Prefixes per ASN:                                       17.20
APNIC Region origin ASes announcing only one prefix:               4416
APNIC Region transit ASes present in the Internet Routing Table:   1933
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10018
Number of APNIC addresses announced to Internet:              749590528
    Equivalent to 44 /8s, 173 /16s and 216 /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:                    290606
    Total ARIN prefixes after maximum aggregation:               128279
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           291797
    Unique aggregates announced from the ARIN address blocks:    136415
ARIN Region origin ASes present in the Internet Routing Table:    19211
    ARIN Prefixes per ASN:                                        15.19
ARIN Region origin ASes announcing only one prefix:                7023
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:    5160
Number of ARIN addresses announced to Internet:              1350150656
    Equivalent to 80 /8s, 121 /16s and 170 /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:                    275956
    Total RIPE prefixes after maximum aggregation:               132600
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           273511
    Unique aggregates announced from the RIPE address blocks:    172920
RIPE Region origin ASes present in the Internet Routing Table:    28900
    RIPE Prefixes per ASN:                                         9.46
RIPE Region origin ASes announcing only one prefix:               12059
RIPE Region transit ASes present in the Internet Routing Table:    3948
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12307
Number of RIPE addresses announced to Internet:               732851712
    Equivalent to 43 /8s, 174 /16s and 110 /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:                  132299
    Total LACNIC prefixes after maximum aggregation:              29272
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128998
    Unique aggregates announced from the LACNIC address blocks:   48802
LACNIC Region origin ASes present in the Internet Routing Table:  11211
    LACNIC Prefixes per ASN:                                      11.51
LACNIC Region origin ASes announcing only one prefix:              2351
LACNIC Region transit ASes present in the Internet Routing Table:  2489
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:  9156
Number of LACNIC addresses announced to Internet:             173818624
    Equivalent to 10 /8s, 92 /16s and 67 /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:                  37472
    Total AfriNIC prefixes after maximum aggregation:              6940
    AfriNIC Deaggregation factor:                                  5.40
Prefixes being announced from the AfriNIC address blocks:         50891
    Unique aggregates announced from the AfriNIC address blocks:  15309
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     26.52
AfriNIC Region origin ASes announcing only one prefix:              664
AfriNIC Region transit ASes present in the Internet Routing Table:  384
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1283
Number of AfriNIC addresses announced to Internet:            104825600
    Equivalent to 6 /8s, 63 /16s and 131 /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       10324       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6206        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4411        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4245        530     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3691       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3272       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2845        851     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2208       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2165        434     194  TATACOMM-AS TATA Communications formerly 

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       12952      39641    3940  AMAZON-02, US
   174        5341       8769     971  COGENT-174, US
 11492        4671        310     587  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3380       3033     181  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3050       1295    2220  AKAMAI-AS, US
396982        2936       3660     453  GOOGLE-CLOUD-PLATFORM, US
 30036        2559        353     399  MEDIACOM-ENTERPRISE-BUSINESS, 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        7769       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3995       3395     128  AKAMAI-ASN1, NL
  9009        3782        324    1948  M247, RO
 12389        2979       2303     890  ROSTELECOM-AS, RU
 34984        2367        361     580  TELLCOM-AS, TR
212238        2006        144    1480  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1590       1852      14  TE-AS TE-AS, EG
 62240        1487         98     746  CLOUVIDER Clouvider - Global ASN, GB

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       11773       3236     591  UNINET, MX
 10620        3544        492     962  Telmex Colombia S.A., CO
 13999        2505        539     374  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1328        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1202        371      22  Telefonica del Peru S.A.A., PE
 11664        1168        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1109        374     163  Axtel, S.A.B. de C.V., MX

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        1683        599      30  RAYA-AS, EG
 24863        1618        389      16  LINKdotNET-AS, EG
 29571        1578        100     104  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 20011        1292        202     342  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1022        523      45  Vodafone-, EG
 37069         851       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         557        661     318  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       12952      39641    3940  AMAZON-02, US
  8151       11773       3236     591  UNINET, MX
  9808       10324       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7769       1714     145  UNI2-AS, ES
  7545        6206        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5341       8769     971  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4671        310     587  CABLEONE, US
 18403        4411        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4245        530     276  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       11773        11182  UNINET, MX
  9808       10324        10236  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7769         7624  UNI2-AS, ES
  7545        6206         5553  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4411         4386  FPT-AS-AP FPT Telecom Company, VN
   174        5341         4370  COGENT-174, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
 11492        4671         4084  CABLEONE, US
  9498        4245         3969  BBIL-AP BHARTI Airtel Ltd., IN

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
    100467  UNALLOCATED  5.59.222.0/24           200467  SHARENKOV, UA
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     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

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      /10:42      /11:92      /12:304     
/13:586     /14:1229    /15:2188    /16:14037   /17:8369    /18:13898   
/19:24757   /20:44392   /21:52587   /22:113378  /23:105230  /24:613992  
/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        6710        7769  UNI2-AS, ES
  8151        5970       11773  UNINET, MX
 11492        3527        4671  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2517        3380  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2332       12952  AMAZON-02, US
 30036        2219        2559  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3544  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)
----------------------------------------------

   1:2338      2:1526      3:584       4:10        5:4852      6:167    
   7:6         8:1552      9:1        11:172      12:1377     13:346    
  14:2515     15:350      16:279      17:363      18:926      20:467    
  21:4        22:188      23:7348     24:2786     25:2        27:2745   
  29:19       31:3223     32:43       34:83       35:203      36:2414   
  37:4654     38:10048    39:897      40:154      41:4473     42:2015   
  43:2554     44:357      45:19165    46:5018     47:288      49:1989   
  50:1894     51:589      52:1566     54:302      55:864      56:9      
  57:253      58:2225     59:1227     60:1166     61:3011     62:2999   
  63:1843     64:5529     65:2187     66:4693     67:3055     68:1119   
  69:3991     70:1099     71:614      72:2929     74:2803     75:1654   
  76:611      77:2804     78:1871     79:1718     80:2229     81:2036   
  82:2734     83:1413     84:1820     85:3374     86:1029     87:2420   
  88:1297     89:4329     90:781      91:8420     92:2801     93:2908   
  94:3929     95:4291     96:1411     97:318      98:970      99:739    
 100:71      101:1400    102:4091    103:32423   104:4822    105:1231   
 106:996     107:2588    108:1217    109:4157    110:2229    111:3329   
 112:2048    113:1816    114:1950    115:2212    116:2078    117:2758   
 118:2808    119:1961    120:1882    121:1366    122:2786    123:2319   
 124:1585    125:2888    126:92      128:1590    129:1035    130:1308   
 131:1924    132:787     133:451     134:1530    135:373     136:1280   
 137:1120    138:3056    139:1609    140:1557    141:1477    142:1851   
 143:1662    144:1065    145:480     146:2160    147:2076    148:2598   
 149:2938    150:1251    151:1949    152:2120    153:574     154:8225   
 155:1636    156:3336    157:1915    158:1274    159:2426    160:3649   
 161:1962    162:3692    163:1885    164:1731    165:2210    166:1389   
 167:1901    168:4217    169:800     170:5276    171:1000    172:4459   
 173:3256    174:913     175:1282    176:3703    177:5512    178:3839   
 179:2412    180:2616    181:4139    182:3371    183:2051    184:2310   
 185:21689   186:5438    187:4741    188:4241    189:4395    190:9848   
 191:1968    192:11167   193:9444    194:7818    195:5626    196:3558   
 197:3814    198:6139    199:8398    200:8501    201:6422    202:10498  
 203:10688   204:4523    205:3632    206:4594    207:3461    208:4194   
 209:5185    210:4598    211:2523    212:4550    213:3818    214:1061   
 215:42      216:6629    217:3174    218:1351    219:387     220:2103   
 221:1055    222:714     223:2319   

End of report


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