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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Mar 8 18:45:21 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sat 08 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:                              995427
    Prefixes after maximum aggregation (per Origin AS):          373862
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      476551
    Number of IPv4 prefixes with a valid ROA:                    546884
    Number of IPv4 prefixes with an invalid ROA:                   1636
    Number of IPv4 prefixes with no ROA:                         446901
Total ASes present in the Internet Routing Table:                 76654
    Prefixes per ASN:                                             12.99
Origin-only ASes present in the Internet Routing Table:           65779
Origin ASes announcing only one prefix:                           26517
Transit ASes present in the Internet Routing Table:               10875
Transit-only ASes present in the Internet Routing Table:            536
Paths with bogon ASNs present in the IPv4 Routing Table:             97
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:              1032
    Number of instances of unregistered ASNs:                      1051
Number of 32-bit ASNs allocated by the RIRs:                      46184
Number of 32-bit ASNs visible in the Routing Table:               37919
Prefixes from 32-bit ASNs in the Routing Table:                  205694
Number of bogon 32-bit ASNs visible in the Routing Table:            68
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            495
Number of addresses announced to Internet:                   3111527680
    Equivalent to 185 /8s, 118 /16s and 37 /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:      329040

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

Prefixes being announced by APNIC Region ASes:                   257757
    Total APNIC prefixes after maximum aggregation:               76098
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          249431
    Unique aggregates announced from the APNIC address blocks:   102691
APNIC Region origin ASes present in the Internet Routing Table:   14512
    APNIC Prefixes per ASN:                                       17.19
APNIC Region origin ASes announcing only one prefix:               4418
APNIC Region transit ASes present in the Internet Routing Table:   1929
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:  10023
Number of APNIC addresses announced to Internet:              749600512
    Equivalent to 44 /8s, 173 /16s and 255 /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:                    290971
    Total ARIN prefixes after maximum aggregation:               128267
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           292249
    Unique aggregates announced from the ARIN address blocks:    136433
ARIN Region origin ASes present in the Internet Routing Table:    19213
    ARIN Prefixes per ASN:                                        15.21
ARIN Region origin ASes announcing only one prefix:                7033
ARIN Region transit ASes present in the Internet Routing Table:    1961
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          31
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5162
Number of ARIN addresses announced to Internet:              1351194624
    Equivalent to 80 /8s, 137 /16s and 152 /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:                    276035
    Total RIPE prefixes after maximum aggregation:               132659
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           273576
    Unique aggregates announced from the RIPE address blocks:    172949
RIPE Region origin ASes present in the Internet Routing Table:    28901
    RIPE Prefixes per ASN:                                         9.47
RIPE Region origin ASes announcing only one prefix:               12059
RIPE Region transit ASes present in the Internet Routing Table:    3949
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:   12309
Number of RIPE addresses announced to Internet:               732862976
    Equivalent to 43 /8s, 174 /16s and 154 /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:                  132150
    Total LACNIC prefixes after maximum aggregation:              29254
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128767
    Unique aggregates announced from the LACNIC address blocks:   48742
LACNIC Region origin ASes present in the Internet Routing Table:  11202
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              2347
LACNIC Region transit ASes present in the Internet Routing Table:  2484
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:  9150
Number of LACNIC addresses announced to Internet:             172820224
    Equivalent to 10 /8s, 77 /16s and 7 /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:                  37482
    Total AfriNIC prefixes after maximum aggregation:              6935
    AfriNIC Deaggregation factor:                                  5.40
Prefixes being announced from the AfriNIC address blocks:         50909
    Unique aggregates announced from the AfriNIC address blocks:  15304
AfriNIC Region origin ASes present in the Internet Routing Table:  1912
    AfriNIC Prefixes per ASN:                                     26.63
AfriNIC Region origin ASes announcing only one prefix:              660
AfriNIC Region transit ASes present in the Internet Routing Table:  383
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: 1275
Number of AfriNIC addresses announced to Internet:            104807936
    Equivalent to 6 /8s, 63 /16s and 62 /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        6207        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4414        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        3273       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2844        850     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2208       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2166        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       12948      39645    3940  AMAZON-02, US
   174        5336       8769     968  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        2943       3660     456  GOOGLE-CLOUD-PLATFORM, US
 30036        2557        353     404  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        7768       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        2368        361     581  TELLCOM-AS, TR
212238        2029        146    1498  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       11830       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        1992        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        1203        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        1087        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        1682        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       12948      39645    3940  AMAZON-02, US
  8151       11830       3236     591  UNINET, MX
  9808       10324       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7768       1714     145  UNI2-AS, ES
  7545        6207        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5336       8769     968  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4671        310     587  CABLEONE, US
 18403        4414        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       11830        11239  UNINET, MX
  9808       10324        10236  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7768         7623  UNI2-AS, ES
  7545        6207         5554  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4414         4389  FPT-AS-AP FPT Telecom Company, VN
   174        5336         4368  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
     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
23.140.216.0/24      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    /16:14039   /17:8368    /18:13896   
/19:24765   /20:44388   /21:52608   /22:113349  /23:105236  /24:614305  
/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        6709        7768  UNI2-AS, ES
  8151        6009       11830  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        2342       12948  AMAZON-02, US
 30036        2217        2557  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)
----------------------------------------------

   1:2340      2:1527      3:578       4:10        5:4854      6:167    
   7:6         8:1551      9:1        11:172      12:1376     13:348    
  14:2516     15:351      16:279      17:362      18:924      20:468    
  21:4        22:188      23:7344     24:3065     25:2        27:2746   
  29:19       31:3227     32:43       34:83       35:203      36:2414   
  37:4654     38:10052    39:897      40:153      41:4471     42:2015   
  43:2551     44:357      45:19150    46:5024     47:288      49:1991   
  50:1892     51:589      52:1565     54:303      55:865      56:9      
  57:253      58:2227     59:1227     60:1166     61:3011     62:2998   
  63:1844     64:5530     65:2188     66:4700     67:3053     68:1119   
  69:3999     70:1112     71:615      72:2933     74:2804     75:1654   
  76:611      77:2803     78:1873     79:1722     80:2229     81:2035   
  82:2748     83:1416     84:1820     85:3376     86:1028     87:2421   
  88:1298     89:4324     90:781      91:8413     92:2801     93:2908   
  94:3926     95:4290     96:1412     97:318      98:970      99:740    
 100:71      101:1401    102:4099    103:32457   104:4820    105:1231   
 106:996     107:2587    108:1218    109:4156    110:2229    111:3328   
 112:2041    113:1817    114:1950    115:2210    116:2079    117:2758   
 118:2808    119:1961    120:1882    121:1367    122:2785    123:2319   
 124:1586    125:2887    126:92      128:1593    129:1033    130:1301   
 131:1917    132:787     133:451     134:1530    135:374     136:1284   
 137:1121    138:3048    139:1610    140:1561    141:1481    142:1851   
 143:1654    144:1063    145:482     146:2160    147:2077    148:2602   
 149:2938    150:1251    151:1950    152:2122    153:574     154:8228   
 155:1628    156:3336    157:1914    158:1270    159:2425    160:3640   
 161:1965    162:3689    163:1897    164:1736    165:2207    166:1385   
 167:1901    168:4213    169:797     170:5261    171:1000    172:4462   
 173:3254    174:913     175:1282    176:3704    177:5492    178:3844   
 179:2395    180:2616    181:4160    182:3372    183:2052    184:2310   
 185:21699   186:5413    187:4742    188:4241    189:4408    190:9834   
 191:1982    192:11165   193:9449    194:7822    195:5632    196:3568   
 197:3815    198:6134    199:8399    200:8503    201:6407    202:10497  
 203:10691   204:4508    205:3649    206:4594    207:3460    208:4193   
 209:5177    210:4597    211:2523    212:4548    213:3823    214:1058   
 215:42      216:6642    217:3172    218:1351    219:387     220:2104   
 221:1056    222:714     223:2318   

End of report


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