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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Jan 9 22:41:51 UTC 2025


IPv4 R&E Routing Table Report   22:35 GMT Thu 09 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:                             1029162
    Prefixes after maximum aggregation (per Origin AS):          374912
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      470101
Total ASes present in the Internet Routing Table:                 76667
    Prefixes per ASN:                                             13.42
Origin-only ASes present in the Internet Routing Table:           65949
Origin ASes announcing only one prefix:                           26230
Transit ASes present in the Internet Routing Table:               10718
Transit-only ASes present in the Internet Routing Table:            518
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:              1137
    Number of instances of unregistered ASNs:                      1144
Number of 32-bit ASNs allocated by the RIRs:                      45996
Number of 32-bit ASNs visible in the Routing Table:               37686
Prefixes from 32-bit ASNs in the Routing Table:                  208294
Number of bogon 32-bit ASNs visible in the Routing Table:            74
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            544
Number of addresses announced to Internet:                   3126932841
    Equivalent to 186 /8s, 97 /16s and 53 /24s
    Percentage of available address space announced:               84.5
    Percentage of allocated address space announced:               84.5
    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:      345821

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

Prefixes being announced by APNIC Region ASes:                   266430
    Total APNIC prefixes after maximum aggregation:               77020
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257525
    Unique aggregates announced from the APNIC address blocks:   102282
APNIC Region origin ASes present in the Internet Routing Table:   14534
    APNIC Prefixes per ASN:                                       17.72
APNIC Region origin ASes announcing only one prefix:               4434
APNIC Region transit ASes present in the Internet Routing Table:   1932
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:   9973
Number of APNIC addresses announced to Internet:              762527040
    Equivalent to 45 /8s, 115 /16s and 61 /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:                    296835
    Total ARIN prefixes after maximum aggregation:               128498
    ARIN Deaggregation factor:                                     2.31
Prefixes being announced from the ARIN address blocks:           297992
    Unique aggregates announced from the ARIN address blocks:    132473
ARIN Region origin ASes present in the Internet Routing Table:    19213
    ARIN Prefixes per ASN:                                        15.51
ARIN Region origin ASes announcing only one prefix:                6964
ARIN Region transit ASes present in the Internet Routing Table:    1926
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:    5108
Number of ARIN addresses announced to Internet:              1348432070
    Equivalent to 80 /8s, 95 /16s and 112 /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:                    287531
    Total RIPE prefixes after maximum aggregation:               132688
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           284282
    Unique aggregates announced from the RIPE address blocks:    170473
RIPE Region origin ASes present in the Internet Routing Table:    28878
    RIPE Prefixes per ASN:                                         9.84
RIPE Region origin ASes announcing only one prefix:               12044
RIPE Region transit ASes present in the Internet Routing Table:    3861
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:   12203
Number of RIPE addresses announced to Internet:               733267475
    Equivalent to 43 /8s, 180 /16s and 198 /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:                  138702
    Total LACNIC prefixes after maximum aggregation:              29277
    LACNIC Deaggregation factor:                                   4.74
Prefixes being announced from the LACNIC address blocks:         136219
    Unique aggregates announced from the LACNIC address blocks:   48953
LACNIC Region origin ASes present in the Internet Routing Table:  11201
    LACNIC Prefixes per ASN:                                      12.16
LACNIC Region origin ASes announcing only one prefix:              2147
LACNIC Region transit ASes present in the Internet Routing Table:  2475
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:  9129
Number of LACNIC addresses announced to Internet:             177606016
    Equivalent to 10 /8s, 150 /16s and 13 /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:                  38520
    Total AfriNIC prefixes after maximum aggregation:              6720
    AfriNIC Deaggregation factor:                                  5.73
Prefixes being announced from the AfriNIC address blocks:         52598
    Unique aggregates announced from the AfriNIC address blocks:  15473
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     27.42
AfriNIC Region origin ASes announcing only one prefix:              641
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:            104828416
    Equivalent to 6 /8s, 63 /16s and 142 /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       10316       8921     124  CHINAMOBILE-CN China Mobile Communication
  7545        6197        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4930       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4318        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4078        525     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3918       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3896       1890      50  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2820        845     546  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       12613      38847    3299  AMAZON-02, US
   174        6219       8762     879  COGENT-174, US
 11492        4692        312     552  CABLEONE, US
  7155        4169        287      85  VIASAT-SP-BACKBONE, US
  6327        3615       1320      79  SHAW, CA
 22773        3409       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3262      54895    2509  DNIC-AS-00749, US
  2152        3144        508     130  CENIC-2152, US
 16625        3026       1307    2191  AKAMAI-AS, US
  7018        2917      23364    1979  ATT-INTERNET4, 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        7669       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4044       3396     141  AKAMAI-ASN1, NL
  9009        3779        324    1919  M247, RO
 12389        2980       2300     887  ROSTELECOM-AS, RU
 34984        2418        363     569  TELLCOM-AS, TR
  8452        1961       1852      14  TE-AS TE-AS, EG
212238        1865        134    1373  CDNEXT, GB
  5384        1772        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       11864       3246     709  UNINET, MX
 10620        3538        491     953  Telmex Colombia S.A., CO
 13999        2535        538     368  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        1125         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1112        371      22  Telefonica del Peru S.A.A., PE
 22884        1075         98     372  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        1645        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1573         99      66  ORANGE-COTE-IVOIRE, CI
 36992        1427       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1236        193     304  INTERNET-SOLUTIONS, ZA
 36935        1001        521      42  Vodafone-, EG
 37069         832       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       12613      38847    3299  AMAZON-02, US
  8151       11864       3246     709  UNINET, MX
  9808       10316       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9650       1282    1363  TTNET, TR
 12479        7669       1709     143  UNI2-AS, ES
   174        6219       8762     879  COGENT-174, US
  7545        6197        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4930       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       11864        11155  UNINET, MX
  9808       10316        10192  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9650         8287  TTNET, TR
 12479        7669         7526  UNI2-AS, ES
  7545        6197         5532  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6219         5340  COGENT-174, US
  4538        4930         4853  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4318         4295  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
     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
     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

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
23.132.192.0/24      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
23.140.176.0/24      Origin:     40676  AS40676, US
23.140.176.0/24     Transit:     18106  VIEWQWEST-SG-AP Viewqwest Pte Ltd, SG

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      /12:312     
/13:595     /14:1242    /15:2220    /16:14171   /17:8565    /18:14752   
/19:25653   /20:46312   /21:55146   /22:116326  /23:110035  /24:627513  
/25:653     /26:654     /27:1186    /28:219     /29:377     /30:247     
/31:1248    /32:1568    

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

   ASN  No of nets  Total ann.  Description
 47331        8736        9650  TTNET, TR
 12479        6634        7669  UNI2-AS, ES
  8151        6014       11864  UNINET, MX
 11492        3555        4692  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3410        3615  SHAW, CA
  7155        3117        4169  VIASAT-SP-BACKBONE, US
 22773        2542        3409  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2253       12613  AMAZON-02, US
 30036        2231        2570  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2324      2:1665      3:540       4:25        5:4826      6:161    
   7:6         8:1646      9:1        10:1        11:172      12:1393   
  13:358      14:2524     15:334      16:270      17:361      18:906    
  20:457      21:4        22:188      23:7277     24:2778     25:2      
  27:2729     29:19       31:3130     32:56       34:73       35:181    
  36:2425     37:4616     38:10485    39:884      40:152      41:4731   
  42:1984     43:2553     44:345      45:19943    46:5023     47:295    
  49:2023     50:1881     51:586      52:1603     54:307      55:1030   
  56:8        57:245      58:2289     59:1254     60:1160     61:2983   
  62:3018     63:1856     64:5476     65:2236     66:4742     67:3092   
  68:1257     69:4028     70:1128     71:610      72:2938     74:2815   
  75:1639     76:637      77:2713     78:4225     79:1730     80:2261   
  81:2206     82:1876     83:1452     84:1827     85:4210     86:994    
  87:2421     88:3419     89:4367     90:757      91:8444     92:2775   
  93:2861     94:3895     95:5295     96:1266     97:320      98:1025   
  99:731     100:72      101:1392    102:4313    103:32599   104:4583   
 105:2163    106:1015    107:2618    108:1198    109:4122    110:2270   
 111:3366    112:2065    113:1819    114:1951    115:2256    116:2058   
 117:2755    118:2892    119:2025    120:1901    121:1434    122:2870   
 123:2200    124:1692    125:2892    126:62      128:1683    129:1025   
 130:1297    131:2025    132:929     133:450     134:1521    135:369    
 136:1347    137:1166    138:3257    139:1557    140:1540    141:1459   
 142:1858    143:1712    144:1043    145:473     146:2149    147:2046   
 148:2603    149:2926    150:1204    151:1603    152:2141    153:570    
 154:8615    155:1601    156:3754    157:1909    158:1260    159:2444   
 160:3584    161:1831    162:3650    163:1796    164:1745    165:2204   
 166:1352    167:1898    168:4419    169:822     170:5518    171:1005   
 172:4060    173:3200    174:918     175:1288    176:3696    177:6402   
 178:3823    179:2696    180:2621    181:4142    182:3356    183:2074   
 184:2273    185:21646   186:5720    187:5010    188:4291    189:4502   
 190:9911    191:2108    192:11289   193:9374    194:7796    195:5564   
 196:3484    197:3827    198:6170    199:8337    200:8686    201:6590   
 202:10875   203:10727   204:4634    205:3719    206:4719    207:3635   
 208:4238    209:5208    210:4855    211:2617    212:4619    213:3886   
 214:1052    215:48      216:6702    217:3156    218:1391    219:551    
 220:2110    221:1052    222:850     223:2318   

End of report


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