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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Feb 28 22:46:32 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Fri 28 Feb, 2025

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                             1028826
    Prefixes after maximum aggregation (per Origin AS):          377146
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      475765
Total ASes present in the Internet Routing Table:                 76814
    Prefixes per ASN:                                             13.39
Origin-only ASes present in the Internet Routing Table:           66121
Origin ASes announcing only one prefix:                           26297
Transit ASes present in the Internet Routing Table:               10693
Transit-only ASes present in the Internet Routing Table:            541
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.2
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1050
    Number of instances of unregistered ASNs:                      1057
Number of 32-bit ASNs allocated by the RIRs:                      46213
Number of 32-bit ASNs visible in the Routing Table:               37973
Prefixes from 32-bit ASNs in the Routing Table:                  210607
Number of bogon 32-bit ASNs visible in the Routing Table:            79
Special use prefixes present in the Routing Table:                    8
Prefixes being announced from unallocated address space:            516
Number of addresses announced to Internet:                   3112917605
    Equivalent to 185 /8s, 139 /16s and 90 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      347819

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

Prefixes being announced by APNIC Region ASes:                   265556
    Total APNIC prefixes after maximum aggregation:               76764
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257321
    Unique aggregates announced from the APNIC address blocks:   102803
APNIC Region origin ASes present in the Internet Routing Table:   14582
    APNIC Prefixes per ASN:                                       17.65
APNIC Region origin ASes announcing only one prefix:               4420
APNIC Region transit ASes present in the Internet Routing Table:   1952
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                         34
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10050
Number of APNIC addresses announced to Internet:              752291392
    Equivalent to 44 /8s, 215 /16s and 14 /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:                    294547
    Total ARIN prefixes after maximum aggregation:               129360
    ARIN Deaggregation factor:                                     2.28
Prefixes being announced from the ARIN address blocks:           295660
    Unique aggregates announced from the ARIN address blocks:    135951
ARIN Region origin ASes present in the Internet Routing Table:    19256
    ARIN Prefixes per ASN:                                        15.35
ARIN Region origin ASes announcing only one prefix:                7021
ARIN Region transit ASes present in the Internet Routing Table:    1921
Average ARIN Region AS path length visible:                         2.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5178
Number of ARIN addresses announced to Internet:              1348641024
    Equivalent to 80 /8s, 98 /16s and 161 /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:                    289974
    Total RIPE prefixes after maximum aggregation:               133978
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           287236
    Unique aggregates announced from the RIPE address blocks:    172511
RIPE Region origin ASes present in the Internet Routing Table:    28918
    RIPE Prefixes per ASN:                                         9.93
RIPE Region origin ASes announcing only one prefix:               12034
RIPE Region transit ASes present in the Internet Routing Table:    3845
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12309
Number of RIPE addresses announced to Internet:               732948261
    Equivalent to 43 /8s, 175 /16s and 231 /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:                  138512
    Total LACNIC prefixes after maximum aggregation:              29446
    LACNIC Deaggregation factor:                                   4.70
Prefixes being announced from the LACNIC address blocks:         135493
    Unique aggregates announced from the LACNIC address blocks:   49007
LACNIC Region origin ASes present in the Internet Routing Table:  11215
    LACNIC Prefixes per ASN:                                      12.08
LACNIC Region origin ASes announcing only one prefix:              2169
LACNIC Region transit ASes present in the Internet Routing Table:  2457
Average LACNIC Region AS path length visible:                       3.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9153
Number of LACNIC addresses announced to Internet:             173908992
    Equivalent to 10 /8s, 93 /16s and 164 /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:                  39187
    Total AfriNIC prefixes after maximum aggregation:              6943
    AfriNIC Deaggregation factor:                                  5.64
Prefixes being announced from the AfriNIC address blocks:         52598
    Unique aggregates announced from the AfriNIC address blocks:  15047
AfriNIC Region origin ASes present in the Internet Routing Table:  1920
    AfriNIC Prefixes per ASN:                                     27.39
AfriNIC Region origin ASes announcing only one prefix:              653
AfriNIC Region transit ASes present in the Internet Routing Table:  363
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1283
Number of AfriNIC addresses announced to Internet:            104872192
    Equivalent to 6 /8s, 64 /16s and 57 /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       10327       8753      90  CHINAMOBILE-CN China Mobile Communication
  7545        6216        843     660  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5015       4194      78  ERX-CERNET-BKB China Education and Resear
 18403        4339        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4242        530     277  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3676       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3275       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2846        855     533  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2207       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12823      39187    3782  AMAZON-02, US
   174        5287       8763     943  COGENT-174, US
 11492        4704        312     566  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3383       3049     181  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3086       1315    2229  AKAMAI-AS, US
396982        2935       3660     454  GOOGLE-CLOUD-PLATFORM, US
 30036        2580        358     337  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9676       1286    1305  TTNET, TR
 12479        7759       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4042       3396     143  AKAMAI-ASN1, NL
  9009        3801        325    1930  M247, RO
 12389        2987       2303     894  ROSTELECOM-AS, RU
 34984        2414        364     573  TELLCOM-AS, TR
212238        2008        145    1483  CDNEXT, GB
  8452        1918       1852      14  TE-AS TE-AS, EG
  5384        1799        585      30  EMIRATES-INTERNET Emirates Internet, AE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12065       3254     695  UNINET, MX
 10620        3547        492     953  Telmex Colombia S.A., CO
 13999        2517        539     370  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1593       2436     268  Claro NXT Telecomunicacoes Ltda, BR
  3816        1326        777     208  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1173        371      22  Telefonica del Peru S.A.A., PE
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
 11664        1082        278      33  Techtel LMDS Comunicaciones Interactivas 

Complete listing at https://bgp.nsrc.org/REN/OIX/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
 37457        1639        316      32  Telkom-Internet, ZA
 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
  6713         558       1861      35  IAM-AS, MA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12823      39187    3782  AMAZON-02, US
  8151       12065       3254     695  UNINET, MX
  9808       10327       8753      90  CHINAMOBILE-CN China Mobile Communication
 47331        9676       1286    1305  TTNET, TR
 12479        7759       1714     145  UNI2-AS, ES
  7545        6216        843     660  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5287       8763     943  COGENT-174, US
  4538        5015       4194      78  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4704        312     566  CABLEONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       12065        11370  UNINET, MX
  9808       10327        10237  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9676         8371  TTNET, TR
 12479        7759         7614  UNI2-AS, ES
  7545        6216         5556  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5015         4937  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5287         4344  COGENT-174, US
 18403        4339         4314  FPT-AS-AP FPT Telecom Company, VN
 11492        4704         4138  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/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/OIX/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
10.116.75.0/24            22884  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
100.108.0.0/23            43939  INTERNETIA_ETTH2-AS Noc-Bialystok, PL
100.108.14.0/24           43939  INTERNETIA_ETTH2-AS Noc-Bialystok, PL
100.108.38.0/23           43939  INTERNETIA_ETTH2-AS Noc-Bialystok, PL
100.108.43.0/24           43939  INTERNETIA_ETTH2-AS Noc-Bialystok, PL
172.22.139.0/24            8151  UNINET, MX
172.22.243.0/24            8151  UNINET, MX
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/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/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:42      /11:92      /12:304     
/13:587     /14:1236    /15:2206    /16:14119   /17:8571    /18:14273   
/19:25473   /20:46162   /21:54825   /22:116249  /23:110390  /24:631023  
/25:590     /26:590     /27:1049    /28:77      /29:106     /30:23      
/31:2       /32:804     

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

   ASN  No of nets  Total ann.  Description
 47331        8760        9676  TTNET, TR
 12479        6713        7759  UNI2-AS, ES
  8151        6221       12065  UNINET, MX
 11492        3555        4704  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3622  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2519        3383  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2282       12823  AMAZON-02, US
 30036        2240        2580  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2332      2:1538      3:575       4:25        5:4871      6:167    
   7:6         8:1649      9:1        10:1        11:172      12:1383   
  13:352      14:2552     15:351      16:277      17:359      18:919    
  20:464      21:4        22:188      23:7400     24:2775     25:2      
  27:2755     29:19       31:3246     32:53       34:82       35:206    
  36:2434     37:4744     38:10124    39:899      40:153      41:4764   
  42:1992     43:2584     44:352      45:19952    46:5076     47:294    
  49:1997     50:1902     51:589      52:1603     54:302      55:917    
  56:9        57:252      58:2321     59:1291     60:1167     61:3102   
  62:3000     63:1854     64:5556     65:2203     66:4719     67:3109   
  68:1139     69:4005     70:1124     71:622      72:2957     74:2814   
  75:1654     76:617      77:2789     78:4230     79:1757     80:2246   
  81:2187     82:2763     83:1440     84:1829     85:4285     86:1037   
  87:2436     88:3429     89:4471     90:778      91:8446     92:2820   
  93:2920     94:3991     95:5460     96:1345     97:327      98:976    
  99:740     100:73      101:1402    102:4304    103:32697   104:4832   
 105:2235    106:998     107:2611    108:1224    109:4161    110:2273   
 111:3337    112:2072    113:1816    114:1960    115:2213    116:2103   
 117:2764    118:2899    119:2014    120:1910    121:1438    122:2904   
 123:2333    124:1684    125:2914    126:94      128:1613    129:1038   
 130:1310    131:2011    132:911     133:450     134:1535    135:375    
 136:1317    137:1178    138:3241    139:1629    140:1567    141:1484   
 142:1872    143:1741    144:1071    145:478     146:2163    147:2074   
 148:2600    149:2955    150:1250    151:1709    152:2133    153:574    
 154:7920    155:1623    156:3322    157:1928    158:1270    159:2446   
 160:3661    161:1974    162:3720    163:1877    164:1762    165:2216   
 166:1372    167:1909    168:4359    169:821     170:5517    171:1003   
 172:4383    173:3262    174:916     175:1288    176:3750    177:6083   
 178:3937    179:2703    180:2655    181:4172    182:3383    183:2069   
 184:2314    185:21767   186:5726    187:4968    188:4333    189:4592   
 190:9944    191:2095    192:11224   193:9461    194:7862    195:5649   
 196:3628    197:4010    198:6239    199:8404    200:8726    201:6561   
 202:10923   203:10765   204:4592    205:3713    206:4697    207:3611   
 208:4225    209:5275    210:4881    211:2633    212:4611    213:3883   
 214:1057    215:42      216:6667    217:3187    218:1395    219:554    
 220:2105    221:1054    222:849     223:2337   

End of report


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