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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Jan 7 22:42:31 UTC 2025


IPv4 R&E Routing Table Report   22:35 GMT Tue 07 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:                             1028211
    Prefixes after maximum aggregation (per Origin AS):          374326
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      400770
Total ASes present in the Internet Routing Table:                 76603
    Prefixes per ASN:                                             13.42
Origin-only ASes present in the Internet Routing Table:           65914
Origin ASes announcing only one prefix:                           26205
Transit ASes present in the Internet Routing Table:               10689
Transit-only ASes present in the Internet Routing Table:            517
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:              1123
    Number of instances of unregistered ASNs:                      1130
Number of 32-bit ASNs allocated by the RIRs:                      46018
Number of 32-bit ASNs visible in the Routing Table:               37639
Prefixes from 32-bit ASNs in the Routing Table:                  207678
Number of bogon 32-bit ASNs visible in the Routing Table:            72
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            533
Number of addresses announced to Internet:                   3208240297
    Equivalent to 191 /8s, 57 /16s and 220 /24s
    Percentage of available address space announced:               86.7
    Percentage of allocated address space announced:               86.7
    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:      346086

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

Prefixes being announced by APNIC Region ASes:                   265757
    Total APNIC prefixes after maximum aggregation:               76660
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          257165
    Unique aggregates announced from the APNIC address blocks:    50375
APNIC Region origin ASes present in the Internet Routing Table:   14503
    APNIC Prefixes per ASN:                                       17.73
APNIC Region origin ASes announcing only one prefix:               4418
APNIC Region transit ASes present in the Internet Routing Table:   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:   9948
Number of APNIC addresses announced to Internet:              471935808
    Equivalent to 28 /8s, 33 /16s and 43 /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:                    296784
    Total ARIN prefixes after maximum aggregation:               128440
    ARIN Deaggregation factor:                                     2.31
Prefixes being announced from the ARIN address blocks:           297955
    Unique aggregates announced from the ARIN address blocks:    123452
ARIN Region origin ASes present in the Internet Routing Table:    19212
    ARIN Prefixes per ASN:                                        15.51
ARIN Region origin ASes announcing only one prefix:                6949
ARIN Region transit ASes present in the Internet Routing Table:    1928
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:    5106
Number of ARIN addresses announced to Internet:              1767090630
    Equivalent to 105 /8s, 83 /16s and 169 /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:                    287860
    Total RIPE prefixes after maximum aggregation:               132529
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           284560
    Unique aggregates announced from the RIPE address blocks:    165399
RIPE Region origin ASes present in the Internet Routing Table:    28863
    RIPE Prefixes per ASN:                                         9.86
RIPE Region origin ASes announcing only one prefix:               12042
RIPE Region transit ASes present in the Internet Routing Table:    3853
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:   12194
Number of RIPE addresses announced to Internet:               715096867
    Equivalent to 42 /8s, 159 /16s and 131 /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:                  138295
    Total LACNIC prefixes after maximum aggregation:              29281
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135842
    Unique aggregates announced from the LACNIC address blocks:   48943
LACNIC Region origin ASes present in the Internet Routing Table:  11191
    LACNIC Prefixes per ASN:                                      12.14
LACNIC Region origin ASes announcing only one prefix:              2154
LACNIC Region transit ASes present in the Internet Routing Table:  2461
Average LACNIC Region AS path length visible:                       3.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9116
Number of LACNIC addresses announced to Internet:             177436800
    Equivalent to 10 /8s, 147 /16s and 120 /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:                  38385
    Total AfriNIC prefixes after maximum aggregation:              6718
    AfriNIC Deaggregation factor:                                  5.71
Prefixes being announced from the AfriNIC address blocks:         52154
    Unique aggregates announced from the AfriNIC address blocks:  12250
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     27.18
AfriNIC Region origin ASes announcing only one prefix:              642
AfriNIC Region transit ASes present in the Internet Routing Table:  361
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: 1275
Number of AfriNIC addresses announced to Internet:             76412928
    Equivalent to 4 /8s, 141 /16s and 248 /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       10164       8921     124  CHINAMOBILE-CN China Mobile Communication
  7545        6197        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5042       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4304        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4073      131341     178  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3913       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        2814        845     543  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       12621      38849    3293  AMAZON-02, US
   174        6215       8764     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        3410       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3261      54895    2508  DNIC-AS-00749, US
  2152        3162        508     130  CENIC-2152, US
 16625        3018       1305    2188  AKAMAI-AS, US
  7018        2992      23417    1996  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        7695       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4037       3396     141  AKAMAI-ASN1, NL
  9009        3783        324    1921  M247, RO
 12389        2979       2300     887  ROSTELECOM-AS, RU
 34984        2417        363     569  TELLCOM-AS, TR
  8452        1949       1852      14  TE-AS TE-AS, EG
212238        1856        133    1370  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       11839       3246     709  UNINET, MX
 10620        3538        491     953  Telmex Colombia S.A., CO
 13999        2533        538     367  Mega Cable, S.A. de C.V., MX
 11830        1991        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        1115        371      22  Telefonica del Peru S.A.A., PE
 22884        1074         98     376  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1669        593      29  RAYA-AS, EG
 24863        1636        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1497         95      57  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1236        193     304  INTERNET-SOLUTIONS, ZA
 36935        1017        523      45  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       12621      38849    3293  AMAZON-02, US
  8151       11839       3246     709  UNINET, MX
  9808       10164       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9650       1282    1363  TTNET, TR
 12479        7695       1709     143  UNI2-AS, ES
   174        6215       8764     879  COGENT-174, US
  7545        6197        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5042       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       11839        11130  UNINET, MX
  9808       10164        10040  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9650         8287  TTNET, TR
 12479        7695         7552  UNI2-AS, ES
  7545        6197         5532  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6215         5336  COGENT-174, US
  4538        5042         4965  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4304         4281  FPT-AS-AP FPT Telecom Company, VN
 11492        4692         4140  CABLEONE, US

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
10.116.75.0/24            22884  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
100.80.0.0/24             60478  KSYS, CH
100.126.255.172/30        13979  ATT-IPFR, US
100.126.255.176/30        13979  ATT-IPFR, US
100.126.255.180/30        13979  ATT-IPFR, US
100.126.255.184/30        13979  ATT-IPFR, US
100.127.255.0/26          64510  RESERVED, ZZ
100.127.255.64/28         64510  RESERVED, ZZ
100.127.255.80/28         64510  RESERVED, ZZ
100.127.255.128/26        64511  RESERVED, ZZ

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

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.132.192.0/24      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        /3:1        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:42      /11:93      /12:312     
/13:595     /14:1242    /15:2220    /16:14168   /17:8535    /18:14744   
/19:25623   /20:46292   /21:55116   /22:116237  /23:110031  /24:626751  
/25:653     /26:654     /27:1186    /28:222     /29:380     /30:248     
/31:1252    /32:1581    

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

   ASN  No of nets  Total ann.  Description
 47331        8736        9650  TTNET, TR
 12479        6667        7695  UNI2-AS, ES
  8151        5989       11839  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        2543        3410  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2259       12621  AMAZON-02, US
 30036        2227        2566  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2320      2:1661      3:540       4:25        5:4819      6:165    
   7:6         8:1650      9:1        10:1        11:172      12:1394   
  13:359      14:2514     15:333      16:270      17:361      18:906    
  20:456      21:4        22:188      23:7279     24:2774     25:2      
  27:2731     29:19       31:3121     32:56       34:73       35:181    
  36:2425     37:4646     38:10375    39:883      40:151      41:4715   
  42:1992     43:2550     44:346      45:19928    46:5021     47:295    
  49:2022     50:1881     51:586      52:1606     54:308      55:1029   
  56:8        57:245      58:2291     59:1254     60:1160     61:2980   
  62:3010     63:1856     64:5479     65:2236     66:4741     67:3089   
  68:1286     69:4030     70:1129     71:612      72:2938     74:2813   
  75:1639     76:632      77:2715     78:4223     79:1720     80:2259   
  81:2207     82:1868     83:1451     84:1824     85:4213     86:987    
  87:2430     88:3413     89:4447     90:760      91:8432     92:2697   
  93:2855     94:3917     95:5409     96:1259     97:317      98:1052   
  99:732     100:73      101:1392    102:4315    103:32568   104:4566   
 105:2168    106:1015    107:2617    108:1196    109:4120    110:2267   
 111:3353    112:2064    113:1814    114:1954    115:2253    116:2056   
 117:2689    118:2882    119:2024    120:1894    121:1415    122:2864   
 123:2198    124:1689    125:2883    126:62      128:1683    129:1000   
 130:1289    131:2035    132:922     133:450     134:1523    135:369    
 136:1346    137:1166    138:3246    139:1564    140:1522    141:1448   
 142:1860    143:1707    144:1041    145:473     146:2148    147:2046   
 148:2598    149:2918    150:1200    151:1590    152:2141    153:570    
 154:8438    155:1594    156:3542    157:1901    158:1265    159:2446   
 160:3575    161:1822    162:3654    163:1797    164:1741    165:2203   
 166:1351    167:1896    168:4413    169:825     170:5513    171:1005   
 172:4054    173:3223    174:918     175:1286    176:3694    177:6336   
 178:3908    179:2728    180:2620    181:4143    182:3355    183:2068   
 184:2271    185:21619   186:5696    187:4914    188:4382    189:4512   
 190:9890    191:2107    192:11280   193:9367    194:7783    195:5569   
 196:3485    197:3836    198:6178    199:8338    200:8696    201:6564   
 202:10886   203:10726   204:4630    205:3740    206:4716    207:3637   
 208:4233    209:5206    210:4842    211:2616    212:4617    213:3883   
 214:1053    215:48      216:6706    217:3157    218:1387    219:551    
 220:2110    221:1052    222:850     223:2303   

End of report


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