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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Dec 31 22:41:57 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Tue 31 Dec, 2024

  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:                             1028563
    Prefixes after maximum aggregation (per Origin AS):          374372
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      469032
Total ASes present in the Internet Routing Table:                 76660
    Prefixes per ASN:                                             13.42
Origin-only ASes present in the Internet Routing Table:           65946
Origin ASes announcing only one prefix:                           26215
Transit ASes present in the Internet Routing Table:               10714
Transit-only ASes present in the Internet Routing Table:            522
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:              1120
    Number of instances of unregistered ASNs:                      1127
Number of 32-bit ASNs allocated by the RIRs:                      45996
Number of 32-bit ASNs visible in the Routing Table:               37663
Prefixes from 32-bit ASNs in the Routing Table:                  207575
Number of bogon 32-bit ASNs visible in the Routing Table:            73
Special use prefixes present in the Routing Table:                   14
Prefixes being announced from unallocated address space:            532
Number of addresses announced to Internet:                   3123427193
    Equivalent to 186 /8s, 43 /16s and 183 /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:      346032

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

Prefixes being announced by APNIC Region ASes:                   266027
    Total APNIC prefixes after maximum aggregation:               76765
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          257461
    Unique aggregates announced from the APNIC address blocks:   102094
APNIC Region origin ASes present in the Internet Routing Table:   14527
    APNIC Prefixes per ASN:                                       17.72
APNIC Region origin ASes announcing only one prefix:               4436
APNIC Region transit ASes present in the Internet Routing Table:   1919
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:   9965
Number of APNIC addresses announced to Internet:              762267200
    Equivalent to 45 /8s, 111 /16s and 70 /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:                    297000
    Total ARIN prefixes after maximum aggregation:               128349
    ARIN Deaggregation factor:                                     2.31
Prefixes being announced from the ARIN address blocks:           297919
    Unique aggregates announced from the ARIN address blocks:    132104
ARIN Region origin ASes present in the Internet Routing Table:    19228
    ARIN Prefixes per ASN:                                        15.49
ARIN Region origin ASes announcing only one prefix:                6953
ARIN Region transit ASes present in the Internet Routing Table:    1933
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:    5107
Number of ARIN addresses announced to Internet:              1344939718
    Equivalent to 80 /8s, 42 /16s and 38 /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:                    287639
    Total RIPE prefixes after maximum aggregation:               132678
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           284384
    Unique aggregates announced from the RIPE address blocks:    170155
RIPE Region origin ASes present in the Internet Routing Table:    28876
    RIPE Prefixes per ASN:                                         9.85
RIPE Region origin ASes announcing only one prefix:               12049
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:   12198
Number of RIPE addresses announced to Internet:               733688611
    Equivalent to 43 /8s, 187 /16s and 51 /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:                  138366
    Total LACNIC prefixes after maximum aggregation:              29176
    LACNIC Deaggregation factor:                                   4.74
Prefixes being announced from the LACNIC address blocks:         135945
    Unique aggregates announced from the LACNIC address blocks:   48920
LACNIC Region origin ASes present in the Internet Routing Table:  11192
    LACNIC Prefixes per ASN:                                      12.15
LACNIC Region origin ASes announcing only one prefix:              2139
LACNIC Region transit ASes present in the Internet Routing Table:  2474
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:  9117
Number of LACNIC addresses announced to Internet:             177623424
    Equivalent to 10 /8s, 150 /16s and 81 /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:                  38404
    Total AfriNIC prefixes after maximum aggregation:              6709
    AfriNIC Deaggregation factor:                                  5.72
Prefixes being announced from the AfriNIC address blocks:         52320
    Unique aggregates announced from the AfriNIC address blocks:  15324
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     27.28
AfriNIC Region origin ASes announcing only one prefix:              638
AfriNIC Region transit ASes present in the Internet Routing Table:  357
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: 1276
Number of AfriNIC addresses announced to Internet:            104646144
    Equivalent to 6 /8s, 60 /16s and 198 /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       10163       8921     124  CHINAMOBILE-CN China Mobile Communication
  7545        6195        842     664  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5026       4194      78  ERX-CERNET-BKB China Education and Resear
 18403        4376        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4054        524     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3897       1890      49  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2823        845     537  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       12490      37832    3190  AMAZON-02, US
   174        6220       8765     882  COGENT-174, US
 11492        4692        312     552  CABLEONE, US
  7155        4169        287      85  VIASAT-SP-BACKBONE, US
  6327        3614       1320      79  SHAW, CA
 22773        3420       3050     188  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3261      23515    2067  ATT-INTERNET4, US
  2152        3161        508     131  CENIC-2152, US
 16625        3005       1305    2189  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        9478       1270    1588  TTNET, TR
 12479        7704       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4023       3396     141  AKAMAI-ASN1, NL
  9009        3749        322    1898  M247, RO
 12389        2980       2300     887  ROSTELECOM-AS, RU
 34984        2416        363     570  TELLCOM-AS, TR
  8452        1961       1852      14  TE-AS TE-AS, EG
212238        1846        133    1360  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       11801       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        1116         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1115        371      22  Telefonica del Peru S.A.A., PE
 22884        1071         98     375  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        1663        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1470         93      61  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1221        193     304  INTERNET-SOLUTIONS, ZA
 36935        1011        523      49  Vodafone-, EG
 37069         852       1083      15  MOBINIL, EG
  6713         558       1861      35  IAM-AS, MA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12490      37832    3190  AMAZON-02, US
  8151       11801       3246     709  UNINET, MX
  9808       10163       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9478       1270    1588  TTNET, TR
 12479        7704       1709     143  UNI2-AS, ES
   174        6220       8765     882  COGENT-174, US
  7545        6195        842     664  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5026       4194      78  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       11801        11092  UNINET, MX
  9808       10163        10039  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9478         7890  TTNET, TR
 12479        7704         7561  UNI2-AS, ES
  7545        6195         5531  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6220         5338  COGENT-174, US
  4538        5026         4948  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4376         4353  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
100.126.255.172/30        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
100.127.255.192/28        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      /11:93      /12:311     
/13:594     /14:1242    /15:2216    /16:14158   /17:8557    /18:14742   
/19:25660   /20:46359   /21:55150   /22:116419  /23:110217  /24:626593  
/25:649     /26:655     /27:1188    /28:220     /29:379     /30:250     
/31:1255    /32:1581    

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

   ASN  No of nets  Total ann.  Description
 47331        8564        9478  TTNET, TR
 12479        6676        7704  UNI2-AS, ES
  8151        5951       11801  UNINET, MX
 11492        3555        4692  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3409        3614  SHAW, CA
  7155        3117        4169  VIASAT-SP-BACKBONE, US
 22773        2552        3420  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2242       12490  AMAZON-02, US
 30036        2222        2561  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2317      2:1660      3:538       4:25        5:4816      6:165    
   7:6         8:1645      9:2        10:1        11:172      12:1400   
  13:361      14:2510     15:334      16:269      17:363      18:905    
  20:456      21:4        22:188      23:7259     24:2775     25:2      
  27:2729     29:19       31:3120     32:56       34:73       35:180    
  36:2422     37:4644     38:10399    39:883      40:150      41:4731   
  42:2044     43:2558     44:344      45:19851    46:5024     47:298    
  49:2018     50:1880     51:586      52:1606     54:315      55:1025   
  56:8        57:242      58:2292     59:1254     60:1156     61:2981   
  62:2987     63:1857     64:5475     65:2245     66:4743     67:3092   
  68:1303     69:4004     70:1130     71:608      72:2939     74:2814   
  75:1639     76:632      77:2711     78:4225     79:1727     80:2251   
  81:2209     82:1857     83:1455     84:1827     85:4141     86:986    
  87:2439     88:3261     89:4448     90:762      91:8439     92:2755   
  93:2855     94:3917     95:5431     96:1260     97:317      98:1069   
  99:732     100:72      101:1392    102:4305    103:32599   104:4480   
 105:2163    106:1069    107:2618    108:1195    109:4113    110:2275   
 111:3345    112:2064    113:1834    114:1958    115:2240    116:2058   
 117:2687    118:2889    119:2027    120:1891    121:1414    122:2875   
 123:2202    124:1692    125:2876    126:62      128:1675    129:1023   
 130:1307    131:2021    132:918     133:450     134:1520    135:369    
 136:1324    137:1159    138:3249    139:1552    140:1525    141:1474   
 142:1853    143:1715    144:1032    145:437     146:2150    147:2044   
 148:2588    149:2907    150:1200    151:1532    152:2136    153:570    
 154:8558    155:1591    156:3532    157:1900    158:1258    159:2438   
 160:3555    161:1801    162:3645    163:1803    164:1743    165:2204   
 166:1350    167:1896    168:4424    169:824     170:5506    171:1005   
 172:4063    173:3220    174:917     175:1287    176:3695    177:6288   
 178:3908    179:2751    180:2620    181:4149    182:3357    183:2068   
 184:2269    185:21603   186:5677    187:4902    188:4368    189:4490   
 190:9958    191:2115    192:11281   193:9360    194:7788    195:5565   
 196:3433    197:3817    198:6150    199:8331    200:8705    201:6571   
 202:10923   203:10835   204:4670    205:3736    206:4724    207:3639   
 208:4239    209:5198    210:4841    211:2613    212:4605    213:3889   
 214:1053    215:48      216:6705    217:3162    218:1385    219:550    
 220:2109    221:1052    222:850     223:2300   

End of report


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