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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Jan 3 22:42:11 UTC 2025


IPv4 R&E Routing Table Report   22:35 GMT Fri 03 Jan, 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:                             1029138
    Prefixes after maximum aggregation (per Origin AS):          374278
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      469169
Total ASes present in the Internet Routing Table:                 76652
    Prefixes per ASN:                                             13.43
Origin-only ASes present in the Internet Routing Table:           65947
Origin ASes announcing only one prefix:                           26209
Transit ASes present in the Internet Routing Table:               10705
Transit-only ASes present in the Internet Routing Table:            520
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:              1127
    Number of instances of unregistered ASNs:                      1134
Number of 32-bit ASNs allocated by the RIRs:                      46007
Number of 32-bit ASNs visible in the Routing Table:               37652
Prefixes from 32-bit ASNs in the Routing Table:                  207724
Number of bogon 32-bit ASNs visible in the Routing Table:            73
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            528
Number of addresses announced to Internet:                   3123732601
    Equivalent to 186 /8s, 48 /16s and 96 /24s
    Percentage of available address space announced:               84.4
    Percentage of allocated address space announced:               84.4
    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:      346239

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

Prefixes being announced by APNIC Region ASes:                   266070
    Total APNIC prefixes after maximum aggregation:               76773
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          257481
    Unique aggregates announced from the APNIC address blocks:   102148
APNIC Region origin ASes present in the Internet Routing Table:   14521
    APNIC Prefixes per ASN:                                       17.73
APNIC Region origin ASes announcing only one prefix:               4418
APNIC Region transit ASes present in the Internet Routing Table:   1916
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9956
Number of APNIC addresses announced to Internet:              762320960
    Equivalent to 45 /8s, 112 /16s and 24 /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, 131072-153913
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:                    297064
    Total ARIN prefixes after maximum aggregation:               128377
    ARIN Deaggregation factor:                                     2.31
Prefixes being announced from the ARIN address blocks:           297957
    Unique aggregates announced from the ARIN address blocks:    132094
ARIN Region origin ASes present in the Internet Routing Table:    19230
    ARIN Prefixes per ASN:                                        15.49
ARIN Region origin ASes announcing only one prefix:                6956
ARIN Region transit ASes present in the Internet Routing Table:    1934
Average ARIN Region AS path length visible:                         2.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5110
Number of ARIN addresses announced to Internet:              1345034694
    Equivalent to 80 /8s, 43 /16s and 153 /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:                    287874
    Total RIPE prefixes after maximum aggregation:               132509
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           284650
    Unique aggregates announced from the RIPE address blocks:    170195
RIPE Region origin ASes present in the Internet Routing Table:    28873
    RIPE Prefixes per ASN:                                         9.86
RIPE Region origin ASes announcing only one prefix:               12051
RIPE Region transit ASes present in the Internet Routing Table:    3856
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12197
Number of RIPE addresses announced to Internet:               733755427
    Equivalent to 43 /8s, 188 /16s and 56 /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:                  138525
    Total LACNIC prefixes after maximum aggregation:              29212
    LACNIC Deaggregation factor:                                   4.74
Prefixes being announced from the LACNIC address blocks:         136106
    Unique aggregates announced from the LACNIC address blocks:   48916
LACNIC Region origin ASes present in the Internet Routing Table:  11193
    LACNIC Prefixes per ASN:                                      12.16
LACNIC Region origin ASes announcing only one prefix:              2144
LACNIC Region transit ASes present in the Internet Routing Table:  2469
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:  9116
Number of LACNIC addresses announced to Internet:             177627520
    Equivalent to 10 /8s, 150 /16s and 97 /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:                  38471
    Total AfriNIC prefixes after maximum aggregation:              6708
    AfriNIC Deaggregation factor:                                  5.74
Prefixes being announced from the AfriNIC address blocks:         52414
    Unique aggregates announced from the AfriNIC address blocks:  15385
AfriNIC Region origin ASes present in the Internet Routing Table:  1915
    AfriNIC Prefixes per ASN:                                     27.37
AfriNIC Region origin ASes announcing only one prefix:              640
AfriNIC Region transit ASes present in the Internet Routing Table:  359
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: 1273
Number of AfriNIC addresses announced to Internet:            104668416
    Equivalent to 6 /8s, 61 /16s and 29 /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       10162       8921     124  CHINAMOBILE-CN China Mobile Communication
  7545        6196        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5029       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4341        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4056        524     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3920       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3896       1890      49  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2826        845     538  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2235       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       12499      37785    3187  AMAZON-02, US
   174        6212       8764     882  COGENT-174, US
 11492        4692        312     552  CABLEONE, US
  7155        4179        287      85  VIASAT-SP-BACKBONE, US
  6327        3614       1320      79  SHAW, CA
 22773        3418       3049     187  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3254      23513    2062  ATT-INTERNET4, US
  2152        3173        508     130  CENIC-2152, US
 16625        3009       1303    2192  AKAMAI-AS, 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        9650       1282    1363  TTNET, TR
 12479        7702       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4027       3396     141  AKAMAI-ASN1, NL
  9009        3771        323    1913  M247, RO
 12389        2980       2300     887  ROSTELECOM-AS, RU
 34984        2416        363     570  TELLCOM-AS, TR
  8452        1962       1852      14  TE-AS TE-AS, EG
212238        1845        133    1359  CDNEXT, GB
  5384        1792        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       11805       3246     709  UNINET, MX
 10620        3548        494     936  Telmex Colombia S.A., CO
 13999        2537        540     369  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad y
 28573        1575       2310     261  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1170        374     163  Axtel, S.A.B. de C.V., MX
 28202        1126         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1115        371      22  Telefonica del Peru S.A.A., PE
 22884        1073         98     376  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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        1669        593      29  RAYA-AS, EG
 24863        1660        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1481         94      56  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1236        193     304  INTERNET-SOLUTIONS, ZA
 36935        1011        523      49  Vodafone-, EG
 37069         852       1083      15  MOBINIL, EG
  6713         557       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       12499      37785    3187  AMAZON-02, US
  8151       11805       3246     709  UNINET, MX
  9808       10162       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9650       1282    1363  TTNET, TR
 12479        7702       1709     143  UNI2-AS, ES
   174        6212       8764     882  COGENT-174, US
  7545        6196        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5029       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 11492        4692        312     552  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       11805        11096  UNINET, MX
  9808       10162        10038  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9650         8287  TTNET, TR
 12479        7702         7559  UNI2-AS, ES
  7545        6196         5531  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6212         5330  COGENT-174, US
  4538        5029         4952  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4341         4318  FPT-AS-AP FPT Telecom Company, VN
 11492        4692         4140  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
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

Complete listing at https://bgp.nsrc.org/REN/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
100.80.0.0/24             60478  KSYS, CH
100.126.255.172/30        13979  ATT-IPFR, US
100.126.255.176/30        13979  ATT-IPFR, US
100.126.255.180/30        13979  ATT-IPFR, US
100.126.255.184/30        13979  ATT-IPFR, US
100.127.255.0/26          64510  RESERVED, ZZ
100.127.255.64/28         64510  RESERVED, ZZ
100.127.255.80/28         64510  RESERVED, ZZ
100.127.255.128/26        64511  RESERVED, ZZ

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
23.131.212.0/24      Origin:    140822  ANPHATIDC-VSIS-AS-VN ANPHATIDC, VN
23.131.212.0/24     Transit:     18403  FPT-AS-AP FPT Telecom Company, VN
23.132.192.0/24      Origin:     30500  WOLFPAWSERVICES, CA
23.132.192.0/24     Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, 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      /11:93      /12:311     
/13:594     /14:1242    /15:2217    /16:14159   /17:8561    /18:14747   
/19:25663   /20:46407   /21:55182   /22:116504  /23:110302  /24:626889  
/25:652     /26:654     /27:1189    /28:224     /29:380     /30:250     
/31:1256    /32:1587    

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

   ASN  No of nets  Total ann.  Description
 47331        8736        9650  TTNET, TR
 12479        6674        7702  UNI2-AS, ES
  8151        5955       11805  UNINET, MX
 11492        3555        4692  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3409        3614  SHAW, CA
  7155        3127        4179  VIASAT-SP-BACKBONE, US
 22773        2550        3418  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2245       12499  AMAZON-02, US
 30036        2226        2565  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2314      2:1657      3:538       4:25        5:4820      6:165    
   7:6         8:1647      9:2        10:1        11:172      12:1399   
  13:361      14:2513     15:336      16:270      17:362      18:906    
  20:456      21:4        22:188      23:7270     24:2693     25:2      
  27:2734     29:19       31:3110     32:56       34:73       35:181    
  36:2425     37:4640     38:10376    39:884      40:151      41:4729   
  42:2017     43:2558     44:343      45:19899    46:5025     47:298    
  49:2022     50:1878     51:586      52:1606     54:315      55:1029   
  56:8        57:243      58:2292     59:1254     60:1157     61:2981   
  62:2990     63:1858     64:5474     65:2243     66:4745     67:3089   
  68:1304     69:4015     70:1131     71:612      72:2940     74:2816   
  75:1643     76:631      77:2715     78:4226     79:1722     80:2251   
  81:2210     82:1862     83:1458     84:1828     85:4142     86:988    
  87:2435     88:3415     89:4446     90:762      91:8438     92:2760   
  93:2856     94:3920     95:5420     96:1259     97:317      98:1067   
  99:736     100:73      101:1395    102:4309    103:32636   104:4491   
 105:2163    106:1070    107:2618    108:1197    109:4123    110:2266   
 111:3347    112:2064    113:1831    114:1955    115:2249    116:2058   
 117:2686    118:2889    119:2029    120:1893    121:1414    122:2876   
 123:2203    124:1693    125:2878    126:62      128:1674    129:1023   
 130:1309    131:2022    132:922     133:450     134:1521    135:369    
 136:1350    137:1163    138:3256    139:1557    140:1524    141:1463   
 142:1857    143:1709    144:1030    145:440     146:2149    147:2043   
 148:2590    149:2911    150:1198    151:1572    152:2137    153:570    
 154:8544    155:1590    156:3547    157:1897    158:1260    159:2440   
 160:3564    161:1812    162:3650    163:1799    164:1743    165:2202   
 166:1351    167:1898    168:4440    169:824     170:5500    171:1005   
 172:4062    173:3221    174:917     175:1290    176:3689    177:6285   
 178:3906    179:2738    180:2620    181:4153    182:3355    183:2071   
 184:2269    185:21610   186:5680    187:4903    188:4368    189:4492   
 190:9962    191:2120    192:11282   193:9364    194:7783    195:5564   
 196:3485    197:3828    198:6146    199:8335    200:8718    201:6569   
 202:10912   203:10747   204:4669    205:3741    206:4722    207:3639   
 208:4230    209:5202    210:4843    211:2611    212:4612    213:3896   
 214:1054    215:48      216:6702    217:3160    218:1387    219:552    
 220:2111    221:1052    222:851     223:2300   

End of report


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