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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Feb 4 22:46:17 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Tue 04 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:                             1031485
    Prefixes after maximum aggregation (per Origin AS):          376738
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      473865
Total ASes present in the Internet Routing Table:                 76704
    Prefixes per ASN:                                             13.45
Origin-only ASes present in the Internet Routing Table:           66010
Origin ASes announcing only one prefix:                           26208
Transit ASes present in the Internet Routing Table:               10694
Transit-only ASes present in the Internet Routing Table:            527
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:              1126
    Number of instances of unregistered ASNs:                      1133
Number of 32-bit ASNs allocated by the RIRs:                      46096
Number of 32-bit ASNs visible in the Routing Table:               37798
Prefixes from 32-bit ASNs in the Routing Table:                  209896
Number of bogon 32-bit ASNs visible in the Routing Table:            79
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            538
Number of addresses announced to Internet:                   3118219131
    Equivalent to 185 /8s, 220 /16s and 63 /24s
    Percentage of available address space announced:               84.2
    Percentage of allocated address space announced:               84.2
    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:      347811

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

Prefixes being announced by APNIC Region ASes:                   266731
    Total APNIC prefixes after maximum aggregation:               77022
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          258190
    Unique aggregates announced from the APNIC address blocks:   102521
APNIC Region origin ASes present in the Internet Routing Table:   14527
    APNIC Prefixes per ASN:                                       17.77
APNIC Region origin ASes announcing only one prefix:               4413
APNIC Region transit ASes present in the Internet Routing Table:   1930
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:   9981
Number of APNIC addresses announced to Internet:              758659136
    Equivalent to 45 /8s, 56 /16s and 56 /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:                    296805
    Total ARIN prefixes after maximum aggregation:               129190
    ARIN Deaggregation factor:                                     2.30
Prefixes being announced from the ARIN address blocks:           298095
    Unique aggregates announced from the ARIN address blocks:    134877
ARIN Region origin ASes present in the Internet Routing Table:    19231
    ARIN Prefixes per ASN:                                        15.50
ARIN Region origin ASes announcing only one prefix:                6987
ARIN Region transit ASes present in the Internet Routing Table:    1914
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:    5136
Number of ARIN addresses announced to Internet:              1344086470
    Equivalent to 80 /8s, 29 /16s and 33 /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:                    289788
    Total RIPE prefixes after maximum aggregation:               133694
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           286633
    Unique aggregates announced from the RIPE address blocks:    171850
RIPE Region origin ASes present in the Internet Routing Table:    28900
    RIPE Prefixes per ASN:                                         9.92
RIPE Region origin ASes announcing only one prefix:               12015
RIPE Region transit ASes present in the Internet Routing Table:    3841
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12263
Number of RIPE addresses announced to Internet:               732492581
    Equivalent to 43 /8s, 168 /16s and 243 /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:                  138237
    Total LACNIC prefixes after maximum aggregation:              29320
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135739
    Unique aggregates announced from the LACNIC address blocks:   49008
LACNIC Region origin ASes present in the Internet Routing Table:  11200
    LACNIC Prefixes per ASN:                                      12.12
LACNIC Region origin ASes announcing only one prefix:              2150
LACNIC Region transit ASes present in the Internet Routing Table:  2483
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:  9137
Number of LACNIC addresses announced to Internet:             177999232
    Equivalent to 10 /8s, 156 /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:                  38798
    Total AfriNIC prefixes after maximum aggregation:              6821
    AfriNIC Deaggregation factor:                                  5.69
Prefixes being announced from the AfriNIC address blocks:         52288
    Unique aggregates announced from the AfriNIC address blocks:  15173
AfriNIC Region origin ASes present in the Internet Routing Table:  1925
    AfriNIC Prefixes per ASN:                                     27.16
AfriNIC Region origin ASes announcing only one prefix:              643
AfriNIC Region transit ASes present in the Internet Routing Table:  362
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1281
Number of AfriNIC addresses announced to Internet:            104721152
    Equivalent to 6 /8s, 61 /16s and 235 /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       10398       8921     125  CHINAMOBILE-CN China Mobile Communication
  7545        6208        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5044       4193      77  ERX-CERNET-BKB China Education and Resear
  9498        4200        529     274  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4190        347      24  FPT-AS-AP FPT Telecom Company, VN
  7552        3914       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3900       1890      50  VNPT-AS-VN VNPT Corp, VN
  7713        3673       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2840        853     535  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       12690      38938    3763  AMAZON-02, US
   174        5596       8760     889  COGENT-174, US
 11492        4698        312     553  CABLEONE, US
  7155        4180        287      86  VIASAT-SP-BACKBONE, US
  6327        3615       1320      81  SHAW, CA
 22773        3412       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
  2152        3184        508     130  CENIC-2152, US
 16625        3030       1308    2192  AKAMAI-AS, US
396982        2919       3659     445  GOOGLE-CLOUD-PLATFORM, 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        9661       1284    1335  TTNET, TR
 12479        7738       1711     144  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4018       3396     141  AKAMAI-ASN1, NL
  9009        3770        323    1916  M247, RO
 12389        2992       2303     891  ROSTELECOM-AS, RU
 34984        2417        364     574  TELLCOM-AS, TR
  8452        1949       1852      14  TE-AS TE-AS, EG
212238        1910        137    1408  CDNEXT, GB
  5384        1784        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       11966       3243     708  UNINET, MX
 10620        3540        492     954  Telmex Colombia S.A., CO
 13999        2509        539     365  Mega Cable, S.A. de C.V., MX
 11830        1991        369      64  Instituto Costarricense de Electricidad y
 28573        1580       2438     256  Claro NXT Telecomunicacoes Ltda, BR
  3816        1328        777     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1134        374     163  Axtel, S.A.B. de C.V., MX
 28202        1127         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1104        371      22  Telefonica del Peru S.A.A., PE
 22884        1076         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        1681        601      30  RAYA-AS, EG
 24863        1646        389      16  LINKdotNET-AS, EG
 37457        1637        316      30  Telkom-Internet, ZA
 29571        1538         97      99  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 20011        1271        195     329  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1018        523      45  Vodafone-, EG
 37069         843       1083      15  MOBINIL, EG
  6713         556       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       12690      38938    3763  AMAZON-02, US
  8151       11966       3243     708  UNINET, MX
  9808       10398       8921     125  CHINAMOBILE-CN China Mobile Communication
 47331        9661       1284    1335  TTNET, TR
 12479        7738       1711     144  UNI2-AS, ES
  7545        6208        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5596       8760     889  COGENT-174, US
  4538        5044       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4698        312     553  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       11966        11258  UNINET, MX
  9808       10398        10273  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9661         8326  TTNET, TR
 12479        7738         7594  UNI2-AS, ES
  7545        6208         5545  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5044         4967  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5596         4707  COGENT-174, US
 18403        4190         4166  FPT-AS-AP FPT Telecom Company, VN
 11492        4698         4145  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
23.133.204.0/24      Origin:     23507  AVSISP, US
23.133.204.0/24     Transit:    209533  BGPTUNNEL BGPTunnel.com by iFog GmbH, CH
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      /11:92      /12:308     
/13:590     /14:1237    /15:2211    /16:14118   /17:8573    /18:14735   
/19:25613   /20:46345   /21:55144   /22:116493  /23:110437  /24:629284  
/25:655     /26:653     /27:1185    /28:220     /29:371     /30:247     
/31:1267    /32:1632    

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

   ASN  No of nets  Total ann.  Description
 47331        8747        9661  TTNET, TR
 12479        6699        7738  UNI2-AS, ES
  8151        6132       11966  UNINET, MX
 11492        3555        4698  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3410        3615  SHAW, CA
  7155        3128        4180  VIASAT-SP-BACKBONE, US
 22773        2545        3412  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2274       12690  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)
----------------------------------------------

   1:2329      2:1616      3:568       4:25        5:4926      6:165    
   7:6         8:1639      9:1        10:1        11:172      12:1386   
  13:341      14:2540     15:344      16:270      17:361      18:910    
  20:460      21:4        22:188      23:7328     24:2780     25:2      
  27:2799     29:19       31:3183     32:57       34:75       35:204    
  36:2435     37:4791     38:9911     39:897      40:156      41:4760   
  42:1919     43:2561     44:348      45:19814    46:5043     47:296    
  49:2005     50:1880     51:590      52:1604     54:307      55:1140   
  56:9        57:249      58:2304     59:1261     60:1162     61:3128   
  62:3038     63:1854     64:5550     65:2229     66:4739     67:3095   
  68:1189     69:4058     70:1133     71:620      72:2943     74:2821   
  75:1640     76:634      77:2741     78:4229     79:1713     80:2249   
  81:2218     82:2300     83:1526     84:1821     85:4233     86:1021   
  87:2463     88:3423     89:4491     90:757      91:8476     92:2805   
  93:2911     94:4002     95:5407     96:1296     97:317      98:996    
  99:736     100:72      101:1397    102:4285    103:32610   104:4705   
 105:2234    106:1018    107:2619    108:1173    109:4129    110:2261   
 111:3411    112:2071    113:1821    114:1957    115:2255    116:2079   
 117:2743    118:2854    119:2011    120:1905    121:1431    122:2883   
 123:2278    124:1696    125:2907    126:94      128:1681    129:1016   
 130:1316    131:2027    132:908     133:450     134:1537    135:367    
 136:1338    137:1168    138:3237    139:1611    140:1549    141:1487   
 142:1870    143:1730    144:1045    145:468     146:2167    147:2066   
 148:2606    149:2916    150:1211    151:1647    152:2002    153:574    
 154:8256    155:1625    156:3587    157:1910    158:1268    159:2419   
 160:3644    161:1902    162:3676    163:1812    164:1756    165:2201   
 166:1331    167:1896    168:4389    169:821     170:5491    171:1001   
 172:4324    173:3262    174:918     175:1289    176:3718    177:6170   
 178:3940    179:2711    180:2632    181:4143    182:3374    183:2036   
 184:2277    185:21755   186:5670    187:4957    188:4366    189:4547   
 190:9906    191:2075    192:11240   193:9438    194:7830    195:5625   
 196:3477    197:3924    198:6221    199:8331    200:8681    201:6563   
 202:10876   203:10765   204:4596    205:3710    206:4700    207:3642   
 208:4227    209:5249    210:4898    211:2630    212:4611    213:3874   
 214:1062    215:42      216:6708    217:3178    218:1394    219:555    
 220:2115    221:1055    222:848     223:2328   

End of report


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