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

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


IPv4 R&E Routing Table Report   18:40 GMT Tue 25 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:                              996928
    Prefixes after maximum aggregation (per Origin AS):          374833
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      475982
    Number of IPv4 prefixes with a valid ROA:                    549182
    Number of IPv4 prefixes with an invalid ROA:                   1632
    Number of IPv4 prefixes with no ROA:                         446113
Total ASes present in the Internet Routing Table:                 76731
    Prefixes per ASN:                                             12.99
Origin-only ASes present in the Internet Routing Table:           65822
Origin ASes announcing only one prefix:                           26522
Transit ASes present in the Internet Routing Table:               10909
Transit-only ASes present in the Internet Routing Table:            535
Paths with bogon ASNs present in the IPv4 Routing Table:             88
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:              1030
    Number of instances of unregistered ASNs:                      1034
Number of 32-bit ASNs allocated by the RIRs:                      46134
Number of 32-bit ASNs visible in the Routing Table:               38033
Prefixes from 32-bit ASNs in the Routing Table:                  206486
Number of bogon 32-bit ASNs visible in the Routing Table:            32
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            515
Number of addresses announced to Internet:                   3108894976
    Equivalent to 185 /8s, 77 /16s and 249 /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:      329469

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

Prefixes being announced by APNIC Region ASes:                   257719
    Total APNIC prefixes after maximum aggregation:               76264
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          249455
    Unique aggregates announced from the APNIC address blocks:   102655
APNIC Region origin ASes present in the Internet Routing Table:   14542
    APNIC Prefixes per ASN:                                       17.15
APNIC Region origin ASes announcing only one prefix:               4432
APNIC Region transit ASes present in the Internet Routing Table:   1934
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         49
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10063
Number of APNIC addresses announced to Internet:              749140480
    Equivalent to 44 /8s, 166 /16s and 250 /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:                    292228
    Total ARIN prefixes after maximum aggregation:               128686
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           293277
    Unique aggregates announced from the ARIN address blocks:    136719
ARIN Region origin ASes present in the Internet Routing Table:    19210
    ARIN Prefixes per ASN:                                        15.27
ARIN Region origin ASes announcing only one prefix:                7025
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:    5161
Number of ARIN addresses announced to Internet:              1350370560
    Equivalent to 80 /8s, 125 /16s and 5 /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:                    276350
    Total RIPE prefixes after maximum aggregation:               133034
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           274233
    Unique aggregates announced from the RIPE address blocks:    173727
RIPE Region origin ASes present in the Internet Routing Table:    28922
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12038
RIPE Region transit ASes present in the Internet Routing Table:    3970
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12357
Number of RIPE addresses announced to Internet:               732361728
    Equivalent to 43 /8s, 166 /16s and 244 /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:                  132454
    Total LACNIC prefixes after maximum aggregation:              29329
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128881
    Unique aggregates announced from the LACNIC address blocks:   48850
LACNIC Region origin ASes present in the Internet Routing Table:  11227
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2370
LACNIC Region transit ASes present in the Internet Routing Table:  2487
Average LACNIC Region AS path length visible:                       5.6
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9176
Number of LACNIC addresses announced to Internet:             171668992
    Equivalent to 10 /8s, 59 /16s and 118 /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:                  37147
    Total AfriNIC prefixes after maximum aggregation:              6865
    AfriNIC Deaggregation factor:                                  5.41
Prefixes being announced from the AfriNIC address blocks:         50567
    Unique aggregates announced from the AfriNIC address blocks:  13591
AfriNIC Region origin ASes present in the Internet Routing Table:  1911
    AfriNIC Prefixes per ASN:                                     26.46
AfriNIC Region origin ASes announcing only one prefix:              657
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: 1276
Number of AfriNIC addresses announced to Internet:            105104640
    Equivalent to 6 /8s, 67 /16s and 197 /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       10328       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
  9498        4282        530     276  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4221        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3887       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3693       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3268       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2843        847     540  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2206       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2170        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       12958      39646    3983  AMAZON-02, US
   174        5463       8765     956  COGENT-174, US
 11492        4675        310     585  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
  6327        3620       1320      81  SHAW, CA
 22773        3380       3034     182  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3084       1295    2240  AKAMAI-AS, US
396982        2946       3665     459  GOOGLE-CLOUD-PLATFORM, US
 36352        2566        213     797  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        7743       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3989       3395     128  AKAMAI-ASN1, NL
  9009        3776        326    1955  M247, RO
 12389        3035       2303     890  ROSTELECOM-AS, RU
 34984        2365        360     583  TELLCOM-AS, TR
212238        2055        147    1515  CDNEXT, GB
  8452        1615       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         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       11918       3245     579  UNINET, MX
 10620        3523        486     970  Telmex Colombia S.A., CO
 13999        2510        539     369  Mega Cable, S.A. de C.V., MX
 11830        1991        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1195        371      22  Telefonica del Peru S.A.A., PE
 11664        1166        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1070        359     174  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        1703        599      30  RAYA-AS, EG
 29571        1567        102      23  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 24863        1340        389      18  LINKdotNET-AS, EG
 20011        1293        202     343  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 37069         903       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         562        661     321  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       12958      39646    3983  AMAZON-02, US
  8151       11918       3245     579  UNINET, MX
  9808       10328       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7743       1714     145  UNI2-AS, ES
  7545        6211        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5463       8765     956  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
  9498        4282        530     276  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4221        347      25  FPT-AS-AP FPT Telecom Company, VN

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       11918        11339  UNINET, MX
  9808       10328        10240  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7743         7598  UNI2-AS, ES
  7545        6211         5558  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5463         4507  COGENT-174, US
 18403        4221         4196  FPT-AS-AP FPT Telecom Company, VN
  7155        4174         4091  VIASAT-SP-BACKBONE, US
 11492        4675         4090  CABLEONE, US
  9498        4282         4006  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      /10:41      /11:93      /12:303     
/13:584     /14:1231    /15:2187    /16:14033   /17:8369    /18:13928   
/19:24831   /20:44411   /21:52546   /22:113188  /23:105382  /24:615769  
/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        6676        7743  UNI2-AS, ES
  8151        6087       11918  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        3121        4174  VIASAT-SP-BACKBONE, US
 22773        2516        3380  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2328       12958  AMAZON-02, US
 30036        2217        2557  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3523  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)
----------------------------------------------

   1:2348      2:1527      3:599       4:10        5:4862      6:163    
   7:6         8:1554      9:1        11:172      12:1369     13:351    
  14:2510     15:351      16:279      17:362      18:915      20:470    
  21:4        22:188      23:7369     24:3067     25:2        27:2761   
  29:19       31:3254     32:45       34:83       35:204      36:2406   
  37:4771     38:10190    39:899      40:154      41:4382     42:1919   
  43:2576     44:357      45:19257    46:4980     47:288      49:1995   
  50:1900     51:586      52:1556     54:300      55:1089     56:11     
  57:262      58:2198     59:1349     60:1169     61:3005     62:3007   
  63:1849     64:5525     65:2197     66:4682     67:3052     68:1116   
  69:4005     70:1113     71:622      72:2924     74:2836     75:1663   
  76:612      77:2812     78:1872     79:1663     80:2232     81:2044   
  82:2951     83:1427     84:1820     85:3386     86:1047     87:2411   
  88:1298     89:4338     90:784      91:8407     92:2799     93:2892   
  94:4082     95:4273     96:1426     97:315      98:994      99:739    
 100:71      101:1307    102:4060    103:32423   104:4822    105:1225   
 106:997     107:2595    108:1207    109:4013    110:2227    111:3337   
 112:2042    113:1806    114:1953    115:2205    116:2076    117:2746   
 118:2783    119:1958    120:1876    121:1368    122:2765    123:2361   
 124:1585    125:2872    126:86      128:1583    129:1028    130:1303   
 131:1957    132:788     133:451     134:1530    135:374     136:1287   
 137:1120    138:3068    139:1632    140:1572    141:1491    142:1846   
 143:1672    144:1064    145:518     146:2164    147:2101    148:2634   
 149:2968    150:1261    151:2034    152:2119    153:574     154:8190   
 155:1641    156:3267    157:1915    158:1278    159:2427    160:3632   
 161:1974    162:3726    163:1970    164:1731    165:2232    166:1420   
 167:1906    168:4250    169:802     170:5319    171:1002    172:4474   
 173:3257    174:911     175:1282    176:3736    177:5502    178:3883   
 179:2495    180:2621    181:4173    182:3373    183:2032    184:2299   
 185:21690   186:5443    187:4789    188:4250    189:4386    190:9834   
 191:1985    192:11182   193:9460    194:7855    195:5644    196:3602   
 197:3796    198:6122    199:8429    200:8496    201:6394    202:10478  
 203:10697   204:4532    205:3646    206:4616    207:3454    208:4207   
 209:5194    210:4597    211:2524    212:4556    213:3820    214:1049   
 215:47      216:6634    217:3168    218:1346    219:385     220:2084   
 221:1058    222:716     223:2320   

End of report


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