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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Jun 4 22:41:23 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Tue 04 Jun, 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:                              1009433
    Prefixes after maximum aggregation (per Origin AS):          367853
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      464673
Total ASes present in the Internet Routing Table:                 76097
    Prefixes per ASN:                                             13.27
Origin-only ASes present in the Internet Routing Table:           65088
Origin ASes announcing only one prefix:                           26062
Transit ASes present in the Internet Routing Table:               11009
Transit-only ASes present in the Internet Routing Table:            538
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      85
    Max AS path prepend of ASN ( 37447)                              82
Prefixes from unregistered ASNs in the Routing Table:              1112
    Number of instances of unregistered ASNs:                      1115
Number of 32-bit ASNs allocated by the RIRs:                      44651
Number of 32-bit ASNs visible in the Routing Table:               36627
Prefixes from 32-bit ASNs in the Routing Table:                  198261
Number of bogon 32-bit ASNs visible in the Routing Table:           171
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            644
Number of addresses announced to Internet:                   3028724596
    Equivalent to 180 /8s, 134 /16s and 171 /24s
    Percentage of available address space announced:               81.8
    Percentage of allocated address space announced:               81.8
    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:      344849

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

Prefixes being announced by APNIC Region ASes:                   264187
    Total APNIC prefixes after maximum aggregation:               75032
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          255938
    Unique aggregates announced from the APNIC address blocks:   101140
APNIC Region origin ASes present in the Internet Routing Table:   14275
    APNIC Prefixes per ASN:                                       17.93
APNIC Region origin ASes announcing only one prefix:               4271
APNIC Region transit ASes present in the Internet Routing Table:   1939
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         34
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9619
Number of APNIC addresses announced to Internet:              762405024
    Equivalent to 45 /8s, 113 /16s and 96 /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:                    287392
    Total ARIN prefixes after maximum aggregation:               126936
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           292086
    Unique aggregates announced from the ARIN address blocks:    134822
ARIN Region origin ASes present in the Internet Routing Table:    19191
    ARIN Prefixes per ASN:                                        15.22
ARIN Region origin ASes announcing only one prefix:                6953
ARIN Region transit ASes present in the Internet Routing Table:    1999
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4933
Number of ARIN addresses announced to Internet:              1267869250
    Equivalent to 75 /8s, 146 /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,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  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:                    285879
    Total RIPE prefixes after maximum aggregation:               129955
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           279540
    Unique aggregates announced from the RIPE address blocks:    164680
RIPE Region origin ASes present in the Internet Routing Table:    28723
    RIPE Prefixes per ASN:                                         9.73
RIPE Region origin ASes announcing only one prefix:               12090
RIPE Region transit ASes present in the Internet Routing Table:    4048
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          42
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11862
Number of RIPE addresses announced to Internet:               714216050
    Equivalent to 42 /8s, 146 /16s and 18 /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,
                        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:                  135860
    Total LACNIC prefixes after maximum aggregation:              28855
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         134143
    Unique aggregates announced from the LACNIC address blocks:   50062
LACNIC Region origin ASes present in the Internet Routing Table:  11108
    LACNIC Prefixes per ASN:                                      12.08
LACNIC Region origin ASes announcing only one prefix:              2131
LACNIC Region transit ASes present in the Internet Routing Table:  2455
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        57
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8998
Number of LACNIC addresses announced to Internet:             176770848
    Equivalent to 10 /8s, 137 /16s and 79 /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:                  35003
    Total AfriNIC prefixes after maximum aggregation:              6377
    AfriNIC Deaggregation factor:                                  5.49
Prefixes being announced from the AfriNIC address blocks:         47081
    Unique aggregates announced from the AfriNIC address blocks:  13495
AfriNIC Region origin ASes present in the Internet Routing Table:  1849
    AfriNIC Prefixes per ASN:                                     25.46
AfriNIC Region origin ASes announcing only one prefix:              617
AfriNIC Region transit ASes present in the Internet Routing Table:  353
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       85
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1215
Number of AfriNIC addresses announced to Internet:            107134720
    Equivalent to 6 /8s, 98 /16s and 191 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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        9845       8745      73  CHINAMOBILE-CN China Mobile Communicati
  7545        5632        776     668  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5009       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4524       1878      49  VNPT-AS-VN VNPT Corp, VN
 18403        4340        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3932       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3776        510     263  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3642       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2800        863     383  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2484      11523     582  KIXS-AS-KR Korea Telecom, KR

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        9997      11394    3525  AMAZON-02, US
   174        5339       8783     878  COGENT-174, US
 11492        4624        307     587  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3594       1320      79  SHAW, CA
 22773        3561       3056     247  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3218      54903    2470  DNIC-AS-00749, US
 16625        3165       1365    2256  AKAMAI-AS, US
  7018        2873      23667    1812  ATT-INTERNET4, US
   367        2801       3389    1311  DNIC-ASBLK-00306-00371, 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        9188       1233    2062  TTNET, TR
 12479        7755       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3900       3396     153  AKAMAI-ASN1, NL
  9009        3550        303    1777  M247, RO
 12389        2972       2303     897  ROSTELECOM-AS, RU
  8452        2572       1852      14  TE-AS TE-AS, EG
  5384        2484        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2388        365     573  TELLCOM-AS, TR
  8551        2228        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne

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       12177       3320     505  UNINET, MX
 10620        3513        492     935  Telmex Colombia S.A., CO
 13999        2550        355     669  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad
 28573        1553       2311     255  Claro NXT Telecomunicacoes Ltda, BR
  3816        1322        784     196  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664        1239        278      33  Techtel LMDS Comunicaciones Interactiva
  6503        1128        315     480  Axtel, S.A.B. de C.V., MX
 28202        1109         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1089        369      22  Telefonica del Peru S.A.A., PE

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
 37457        1635        314      37  Telkom-Internet, ZA
 24835        1569        577      29  RAYA-AS, EG
 24863        1487        351     149  LINKdotNET-AS, EG
 36992        1376       1520     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1212         77      72  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         556       1861      35  IAM-AS, MA
 36914         538         82       3  KENET-AS, KE
 15399         531         56      56  WANANCHI-, KE

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
  8151       12177       3320     505  UNINET, MX
 16509        9997      11394    3525  AMAZON-02, US
  9808        9845       8745      73  CHINAMOBILE-CN China Mobile Communicati
 47331        9188       1233    2062  TTNET, TR
 12479        7755       1708     145  UNI2-AS, ES
  7545        5632        776     668  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5339       8783     878  COGENT-174, US
  4538        5009       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4624        307     587  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
  9808        9845         9772  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7755         7610  UNI2-AS, ES
 47331        9188         7126  TTNET, TR
 16509        9997         6472  AMAZON-02, US
  7545        5632         4964  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5009         4935  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 45899        4524         4475  VNPT-AS-VN VNPT Corp, VN
   174        5339         4461  COGENT-174, US
 18403        4340         4317  FPT-AS-AP FPT Telecom Company, VN

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
     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-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24            46887  CROWNCASTLE-AS46887, 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
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

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
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
27.0.192.0/22        Origin:    138415  YANCYLIMITED-AS-HK Yancy Limited, HK
27.0.192.0/22       Transit:      3491  BTN-ASN, 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       /9:14      /10:37      /11:93      /12:298     
/13:582     /14:1196    /15:2127    /16:13405   /17:8522    /18:14776   
/19:25733   /20:45746   /21:54453   /22:115379  /23:108660  /24:611971  
/25:1130    /26:1099    /27:1608    /28:307     /29:515     /30:514     
/31:351     /32:900     

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

   ASN  No of nets  Total ann.  Description
 47331        8292        9188  TTNET, TR
 12479        6845        7755  UNI2-AS, ES
  8151        6223       12177  UNINET, MX
 11492        3533        4624  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3390        3594  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2660        3561  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2168        2511  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2142        3513  Telmex Colombia S.A., CO

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

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

   1:2334      2:1719      3:345       4:22        5:4742      6:162    
   7:6         8:1618      9:1        11:172      12:1466     13:359    
  14:2490     15:319      16:217      17:375      18:763      20:403    
  21:4        22:188      23:6886     24:3118     25:2        27:2641   
  29:19       31:2739     32:61       34:66       35:139      36:2336   
  37:4604     38:8951     39:904      40:125      41:4667     42:2107   
  43:2445     44:326      45:18590    46:4612     47:306      49:1987   
  50:1934     51:581      52:1615     54:313      55:997      56:7      
  57:190      58:2178     59:1272     60:1032     61:2797     62:2891   
  63:1918     64:5696     65:2362     66:4826     67:3075     68:1340   
  69:4157     70:1382     71:591      72:2955     74:2634     75:1589   
  76:628      77:2631     78:4188     79:2279     80:2234     81:2278   
  82:1727     83:1426     84:1683     85:4112     86:1016     87:2320   
  88:3146     89:4276     90:688      91:8263     92:2416     93:2741   
  94:3905     95:5455     96:1291     97:315      98:1050     99:739    
 100:90      101:1200    102:3932    103:32952   104:4829    105:2089   
 106:1032    107:2746    108:1165    109:4030    110:2186    111:3284   
 112:2108    113:1847    114:1826    115:2178    116:1917    117:2689   
 118:2849    119:2095    120:1808    121:1395    122:2846    123:2275   
 124:1712    125:2906    126:32      128:1536    129:1025    130:1211   
 131:2023    132:926     133:412     134:1745    135:365     136:1127   
 137:1084    138:3158    139:1548    140:1379    141:1353    142:1681   
 143:1727    144:1014    145:374     146:2111    147:1975    148:2537   
 149:2828    150:1048    151:1353    152:2248    153:595     154:7245   
 155:1492    156:2309    157:1866    158:1161    159:2337    160:2793   
 161:1733    162:3601    163:1769    164:1708    165:2199    166:1267   
 167:1830    168:4296    169:840     170:5387    171:1057    172:3893   
 173:3081    174:900     175:1285    176:3623    177:6386    178:3831   
 179:2710    180:2476    181:3829    182:3368    183:2009    184:2281   
 185:21182   186:5579    187:5215    188:4333    189:4586    190:9677   
 191:2105    192:11090   193:9175    194:7698    195:5512    196:3658   
 197:2995    198:6122    199:7938    200:8613    201:6547    202:10859  
 203:10665   204:4662    205:3714    206:4549    207:3666    208:4213   
 209:5127    210:4812    211:2676    212:4402    213:3648    214:1077   
 215:49      216:6901    217:3201    218:1369    219:612     220:2048   
 221:1047    222:966     223:2245   

End of report


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