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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Mar 1 18:45:17 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sat 01 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:                              993489
    Prefixes after maximum aggregation (per Origin AS):          372965
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      475356
    Number of IPv4 prefixes with a valid ROA:                    545455
    Number of IPv4 prefixes with an invalid ROA:                    625
    Number of IPv4 prefixes with no ROA:                         447409
Total ASes present in the Internet Routing Table:                 76663
    Prefixes per ASN:                                             12.96
Origin-only ASes present in the Internet Routing Table:           65797
Origin ASes announcing only one prefix:                           26531
Transit ASes present in the Internet Routing Table:               10866
Transit-only ASes present in the Internet Routing Table:            538
Paths with bogon ASNs present in the IPv4 Routing Table:             85
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:              1013
    Number of instances of unregistered ASNs:                      1018
Number of 32-bit ASNs allocated by the RIRs:                      46217
Number of 32-bit ASNs visible in the Routing Table:               37929
Prefixes from 32-bit ASNs in the Routing Table:                  205500
Number of bogon 32-bit ASNs visible in the Routing Table:            26
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            498
Number of addresses announced to Internet:                   3109788672
    Equivalent to 185 /8s, 91 /16s and 156 /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:      328358

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

Prefixes being announced by APNIC Region ASes:                   256882
    Total APNIC prefixes after maximum aggregation:               76037
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          248906
    Unique aggregates announced from the APNIC address blocks:   102624
APNIC Region origin ASes present in the Internet Routing Table:   14511
    APNIC Prefixes per ASN:                                       17.15
APNIC Region origin ASes announcing only one prefix:               4423
APNIC Region transit ASes present in the Internet Routing Table:   1932
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         37
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10026
Number of APNIC addresses announced to Internet:              749834752
    Equivalent to 44 /8s, 177 /16s and 146 /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:                    290166
    Total ARIN prefixes after maximum aggregation:               127739
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           291825
    Unique aggregates announced from the ARIN address blocks:    135924
ARIN Region origin ASes present in the Internet Routing Table:    19218
    ARIN Prefixes per ASN:                                        15.18
ARIN Region origin ASes announcing only one prefix:                7034
ARIN Region transit ASes present in the Internet Routing Table:    1965
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:    5167
Number of ARIN addresses announced to Internet:              1348288768
    Equivalent to 80 /8s, 93 /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:                    275688
    Total RIPE prefixes after maximum aggregation:               132422
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           272903
    Unique aggregates announced from the RIPE address blocks:    172449
RIPE Region origin ASes present in the Internet Routing Table:    28896
    RIPE Prefixes per ASN:                                         9.44
RIPE Region origin ASes announcing only one prefix:               12062
RIPE Region transit ASes present in the Internet Routing Table:    3954
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12305
Number of RIPE addresses announced to Internet:               732792832
    Equivalent to 43 /8s, 173 /16s and 136 /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:                  132198
    Total LACNIC prefixes after maximum aggregation:              29213
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:         128904
    Unique aggregates announced from the LACNIC address blocks:   48775
LACNIC Region origin ASes present in the Internet Routing Table:  11207
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              2349
LACNIC Region transit ASes present in the Internet Routing Table:  2473
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:  9149
Number of LACNIC addresses announced to Internet:             173794304
    Equivalent to 10 /8s, 91 /16s and 228 /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:                  37542
    Total AfriNIC prefixes after maximum aggregation:              6909
    AfriNIC Deaggregation factor:                                  5.43
Prefixes being announced from the AfriNIC address blocks:         50453
    Unique aggregates announced from the AfriNIC address blocks:  15147
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     26.31
AfriNIC Region origin ASes announcing only one prefix:              663
AfriNIC Region transit ASes present in the Internet Routing Table:  379
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: 1282
Number of AfriNIC addresses announced to Internet:            104825856
    Equivalent to 6 /8s, 63 /16s and 132 /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       10323       8753      87  CHINAMOBILE-CN China Mobile Communication
  7545        6212        843     656  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4323        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3675       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3265       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2842        855     531  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2148        434     191  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       12823      39187    3773  AMAZON-02, US
   174        5215       8763     939  COGENT-174, US
 11492        4704        312     566  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3373       3033     181  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3055       1300    2226  AKAMAI-AS, US
396982        2934       3660     452  GOOGLE-CLOUD-PLATFORM, US
 30036        2580        358     337  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        7758       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3996       3395     129  AKAMAI-ASN1, NL
  9009        3762        322    1926  M247, RO
 12389        2984       2303     894  ROSTELECOM-AS, RU
 34984        2367        361     580  TELLCOM-AS, TR
212238        2007        145    1482  CDNEXT, GB
  8452        1617       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1485         98     744  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       11824       3235     589  UNINET, MX
 10620        3547        492     953  Telmex Colombia S.A., CO
 13999        2513        539     370  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1350       2436     268  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1172        371      22  Telefonica del Peru S.A.A., PE
 11664        1167        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1129        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        1619        389      16  LINKdotNET-AS, EG
 29571        1570         99     102  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        1013        523      45  Vodafone-, EG
 37069         847       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       12823      39187    3773  AMAZON-02, US
  8151       11824       3235     589  UNINET, MX
  9808       10323       8753      87  CHINAMOBILE-CN China Mobile Communication
 12479        7758       1714     145  UNI2-AS, ES
  7545        6212        843     656  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5215       8763     939  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4704        312     566  CABLEONE, US
 18403        4323        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  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       11824        11235  UNINET, MX
  9808       10323        10236  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7758         7613  UNI2-AS, ES
  7545        6212         5556  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4323         4298  FPT-AS-AP FPT Telecom Company, VN
   174        5215         4276  COGENT-174, US
 11492        4704         4138  CABLEONE, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
  9498        4215         3942  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
     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
     54338  UNALLOCATED  8.33.241.0/24             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
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, 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

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     /14:1230    /15:2187    /16:14028   /17:8351    /18:13892   
/19:24763   /20:44423   /21:52675   /22:113479  /23:105113  /24:612292  
/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        6712        7758  UNI2-AS, ES
  8151        5998       11824  UNINET, MX
 11492        3555        4704  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2510        3373  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2279       12823  AMAZON-02, US
 30036        2240        2580  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2187        3547  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)
----------------------------------------------

   1:2300      2:1524      3:576       4:10        5:4842      6:167    
   7:6         8:1552      9:1        11:172      12:1379     13:351    
  14:2510     15:350      16:277      17:357      18:921      20:461    
  21:4        22:188      23:7351     24:2770     25:2        27:2740   
  29:19       31:3207     32:43       34:82       35:202      36:2414   
  37:4633     38:10009    39:898      40:153      41:4449     42:1976   
  43:2549     44:349      45:19120    46:5038     47:291      49:1984   
  50:1891     51:589      52:1571     54:302      55:917      56:9      
  57:252      58:2223     59:1205     60:1167     61:3000     62:2969   
  63:1843     64:5532     65:2191     66:4701     67:3079     68:1119   
  69:4002     70:1106     71:616      72:2944     74:2800     75:1652   
  76:611      77:2788     78:1862     79:1725     80:2221     81:2041   
  82:2704     83:1404     84:1810     85:3371     86:1031     87:2419   
  88:1302     89:4323     90:778      91:8392     92:2809     93:2904   
  94:3918     95:4264     96:1344     97:318      98:973      99:740    
 100:71      101:1383    102:4168    103:32440   104:4810    105:1230   
 106:996     107:2594    108:1212    109:4134    110:2223    111:3317   
 112:2045    113:1808    114:1948    115:2202    116:2076    117:2757   
 118:2801    119:1960    120:1881    121:1361    122:2782    123:2322   
 124:1585    125:2871    126:90      128:1585    129:1026    130:1299   
 131:1904    132:798     133:449     134:1531    135:373     136:1310   
 137:1116    138:3059    139:1616    140:1562    141:1484    142:1847   
 143:1637    144:1049    145:473     146:2146    147:2071    148:2601   
 149:2944    150:1246    151:1705    152:2123    153:574     154:7800   
 155:1622    156:3247    157:1901    158:1265    159:2434    160:3635   
 161:1959    162:3705    163:1864    164:1727    165:2188    166:1364   
 167:1898    168:4217    169:803     170:5286    171:1001    172:4406   
 173:3261    174:914     175:1283    176:3670    177:5471    178:3823   
 179:2410    180:2609    181:4144    182:3377    183:2051    184:2310   
 185:21657   186:5425    187:4710    188:4218    189:4404    190:9839   
 191:1933    192:11179   193:9436    194:7818    195:5613    196:3598   
 197:3808    198:6127    199:8395    200:8469    201:6407    202:10453  
 203:10657   204:4544    205:3629    206:4633    207:3478    208:4206   
 209:5187    210:4594    211:2521    212:4536    213:3804    214:1054   
 215:42      216:6613    217:3176    218:1353    219:386     220:2098   
 221:1055    222:715     223:2323   

End of report


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