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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Feb 2 22:46:18 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Sun 02 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:                             1031232
    Prefixes after maximum aggregation (per Origin AS):          376760
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      473798
Total ASes present in the Internet Routing Table:                 76713
    Prefixes per ASN:                                             13.44
Origin-only ASes present in the Internet Routing Table:           66023
Origin ASes announcing only one prefix:                           26223
Transit ASes present in the Internet Routing Table:               10690
Transit-only ASes present in the Internet Routing Table:            524
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:              1134
    Number of instances of unregistered ASNs:                      1141
Number of 32-bit ASNs allocated by the RIRs:                      46095
Number of 32-bit ASNs visible in the Routing Table:               37797
Prefixes from 32-bit ASNs in the Routing Table:                  209603
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:            544
Number of addresses announced to Internet:                   3119520379
    Equivalent to 185 /8s, 240 /16s and 26 /24s
    Percentage of available address space announced:               84.3
    Percentage of allocated address space announced:               84.3
    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:      347561

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

Prefixes being announced by APNIC Region ASes:                   266412
    Total APNIC prefixes after maximum aggregation:               77055
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257818
    Unique aggregates announced from the APNIC address blocks:   102523
APNIC Region origin ASes present in the Internet Routing Table:   14535
    APNIC Prefixes per ASN:                                       17.74
APNIC Region origin ASes announcing only one prefix:               4422
APNIC Region transit ASes present in the Internet Routing Table:   1941
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:   9990
Number of APNIC addresses announced to Internet:              758666048
    Equivalent to 45 /8s, 56 /16s and 83 /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:                    296849
    Total ARIN prefixes after maximum aggregation:               129167
    ARIN Deaggregation factor:                                     2.30
Prefixes being announced from the ARIN address blocks:           298215
    Unique aggregates announced from the ARIN address blocks:    134920
ARIN Region origin ASes present in the Internet Routing Table:    19232
    ARIN Prefixes per ASN:                                        15.51
ARIN Region origin ASes announcing only one prefix:                6991
ARIN Region transit ASes present in the Internet Routing Table:    1907
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:    5135
Number of ARIN addresses announced to Internet:              1345203654
    Equivalent to 80 /8s, 46 /16s and 45 /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:                    289697
    Total RIPE prefixes after maximum aggregation:               133673
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           286508
    Unique aggregates announced from the RIPE address blocks:    171714
RIPE Region origin ASes present in the Internet Routing Table:    28910
    RIPE Prefixes per ASN:                                         9.91
RIPE Region origin ASes announcing only one prefix:               12014
RIPE Region transit ASes present in the Internet Routing Table:    3835
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          22
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12261
Number of RIPE addresses announced to Internet:               732653861
    Equivalent to 43 /8s, 171 /16s and 105 /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:                  138342
    Total LACNIC prefixes after maximum aggregation:              29330
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135767
    Unique aggregates announced from the LACNIC address blocks:   49012
LACNIC Region origin ASes present in the Internet Routing Table:  11197
    LACNIC Prefixes per ASN:                                      12.13
LACNIC Region origin ASes announcing only one prefix:              2152
LACNIC Region transit ASes present in the Internet Routing Table:  2490
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:  9134
Number of LACNIC addresses announced to Internet:             178008960
    Equivalent to 10 /8s, 156 /16s and 51 /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:              6843
    AfriNIC Deaggregation factor:                                  5.67
Prefixes being announced from the AfriNIC address blocks:         52378
    Unique aggregates announced from the AfriNIC address blocks:  15189
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     27.29
AfriNIC Region origin ASes announcing only one prefix:              644
AfriNIC Region transit ASes present in the Internet Routing Table:  362
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: 1277
Number of AfriNIC addresses announced to Internet:            104725504
    Equivalent to 6 /8s, 61 /16s and 252 /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        5034       4193      77  ERX-CERNET-BKB China Education and Resear
  9498        4184        529     275  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4173        347      24  FPT-AS-AP FPT Telecom Company, VN
  7552        3913       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3902       1890      51  VNPT-AS-VN VNPT Corp, VN
  7713        3673       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2836        852     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       12691      38941    3740  AMAZON-02, US
   174        5600       8759     888  COGENT-174, US
 11492        4697        312     552  CABLEONE, US
  7155        4177        287      86  VIASAT-SP-BACKBONE, US
  6327        3615       1320      81  SHAW, CA
 22773        3414       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
  2152        3181        508     130  CENIC-2152, US
 16625        3013       1305    2197  AKAMAI-AS, US
396982        2905       3657     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        9666       1284    1322  TTNET, TR
 12479        7759       1711     144  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4021       3396     141  AKAMAI-ASN1, NL
  9009        3762        322    1912  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        1904        136    1404  CDNEXT, GB
  5384        1790        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       11960       3243     708  UNINET, MX
 10620        3540        492     954  Telmex Colombia S.A., CO
 13999        2505        539     365  Mega Cable, S.A. de C.V., MX
 11830        1993        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        1137        374     163  Axtel, S.A.B. de C.V., MX
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1103        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        1634        316      32  Telkom-Internet, ZA
 29571        1547         98     102  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 20011        1288        199     339  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1018        523      45  Vodafone-, EG
 37069         871       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       12691      38941    3740  AMAZON-02, US
  8151       11960       3243     708  UNINET, MX
  9808       10398       8921     125  CHINAMOBILE-CN China Mobile Communication
 47331        9666       1284    1322  TTNET, TR
 12479        7759       1711     144  UNI2-AS, ES
  7545        6208        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5600       8759     888  COGENT-174, US
  4538        5034       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4697        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       11960        11252  UNINET, MX
  9808       10398        10273  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9666         8344  TTNET, TR
 12479        7759         7615  UNI2-AS, ES
  7545        6208         5545  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5034         4957  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5600         4712  COGENT-174, US
 18403        4173         4149  FPT-AS-AP FPT Telecom Company, VN
 11492        4697         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
23.140.16.0/24       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
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, 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      /12:309     
/13:590     /14:1238    /15:2211    /16:14119   /17:8573    /18:14728   
/19:25616   /20:46381   /21:55155   /22:116452  /23:110444  /24:629018  
/25:653     /26:654     /27:1188    /28:220     /29:372     /30:246     
/31:1267    /32:1631    

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

   ASN  No of nets  Total ann.  Description
 47331        8751        9666  TTNET, TR
 12479        6719        7759  UNI2-AS, ES
  8151        6128       11960  UNINET, MX
 11492        3555        4697  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3410        3615  SHAW, CA
  7155        3125        4177  VIASAT-SP-BACKBONE, US
 22773        2547        3414  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2268       12691  AMAZON-02, US
 30036        2238        2577  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2330      2:1616      3:568       4:25        5:4903      6:165    
   7:6         8:1640      9:1        10:1        11:172      12:1386   
  13:350      14:2540     15:344      16:270      17:362      18:913    
  20:460      21:4        22:188      23:7319     24:2782     25:2      
  27:2770     29:19       31:3190     32:57       34:75       35:189    
  36:2435     37:4758     38:10013    39:897      40:151      41:4767   
  42:1917     43:2568     44:349      45:19805    46:5048     47:296    
  49:2008     50:1879     51:589      52:1604     54:307      55:1140   
  56:9        57:245      58:2304     59:1256     60:1162     61:2971   
  62:3037     63:1853     64:5556     65:2231     66:4736     67:3097   
  68:1198     69:4053     70:1126     71:618      72:2945     74:2811   
  75:1643     76:633      77:2743     78:4231     79:1714     80:2259   
  81:2224     82:2211     83:1471     84:1819     85:4230     86:1010   
  87:2467     88:3423     89:4486     90:757      91:8473     92:2795   
  93:2916     94:4003     95:5408     96:1295     97:317      98:995    
  99:737     100:72      101:1398    102:4276    103:32620   104:4692   
 105:2169    106:1016    107:2619    108:1178    109:4135    110:2250   
 111:3417    112:2073    113:1794    114:1957    115:2250    116:2064   
 117:2751    118:2858    119:2011    120:1892    121:1421    122:2882   
 123:2189    124:1696    125:2905    126:94      128:1689    129:1036   
 130:1308    131:2026    132:922     133:451     134:1528    135:367    
 136:1342    137:1166    138:3235    139:1600    140:1546    141:1490   
 142:1863    143:1727    144:1055    145:467     146:2166    147:2062   
 148:2604    149:2914    150:1211    151:1645    152:2094    153:574    
 154:8295    155:1615    156:3652    157:1912    158:1261    159:2426   
 160:3643    161:1861    162:3683    163:1809    164:1749    165:2208   
 166:1327    167:1907    168:4375    169:821     170:5499    171:1004   
 172:4331    173:3256    174:919     175:1288    176:3717    177:6126   
 178:3949    179:2697    180:2630    181:4137    182:3374    183:2044   
 184:2274    185:21757   186:5697    187:4969    188:4382    189:4559   
 190:9916    191:2076    192:11296   193:9435    194:7828    195:5627   
 196:3485    197:3919    198:6224    199:8325    200:8729    201:6565   
 202:10873   203:10776   204:4588    205:3710    206:4717    207:3647   
 208:4227    209:5240    210:4856    211:2620    212:4620    213:3872   
 214:1052    215:42      216:6712    217:3180    218:1394    219:555    
 220:2115    221:1055    222:848     223:2328   

End of report


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