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

REN Routing Table Report cscora at bgp.nsrc.org
Wed May 1 22:41:12 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Wed 01 May, 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:                              1001324
    Prefixes after maximum aggregation (per Origin AS):          366705
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      461306
Total ASes present in the Internet Routing Table:                 76006
    Prefixes per ASN:                                             13.17
Origin-only ASes present in the Internet Routing Table:           65058
Origin ASes announcing only one prefix:                           26018
Transit ASes present in the Internet Routing Table:               10948
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:       4.6
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1163
    Number of instances of unregistered ASNs:                      1166
Number of 32-bit ASNs allocated by the RIRs:                      44332
Number of 32-bit ASNs visible in the Routing Table:               36463
Prefixes from 32-bit ASNs in the Routing Table:                  196728
Number of bogon 32-bit ASNs visible in the Routing Table:           172
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            660
Number of addresses announced to Internet:                   3029262004
    Equivalent to 180 /8s, 142 /16s and 222 /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:      342075

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

Prefixes being announced by APNIC Region ASes:                   261011
    Total APNIC prefixes after maximum aggregation:               74589
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          253012
    Unique aggregates announced from the APNIC address blocks:   100838
APNIC Region origin ASes present in the Internet Routing Table:   14204
    APNIC Prefixes per ASN:                                       17.81
APNIC Region origin ASes announcing only one prefix:               4264
APNIC Region transit ASes present in the Internet Routing Table:   1913
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         31
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9565
Number of APNIC addresses announced to Internet:              761729440
    Equivalent to 45 /8s, 103 /16s and 17 /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:                    284517
    Total ARIN prefixes after maximum aggregation:               126566
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289054
    Unique aggregates announced from the ARIN address blocks:    133458
ARIN Region origin ASes present in the Internet Routing Table:    19194
    ARIN Prefixes per ASN:                                        15.06
ARIN Region origin ASes announcing only one prefix:                6958
ARIN Region transit ASes present in the Internet Routing Table:    1981
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:    4905
Number of ARIN addresses announced to Internet:              1268169538
    Equivalent to 75 /8s, 150 /16s and 187 /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:                    283842
    Total RIPE prefixes after maximum aggregation:               129529
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           278339
    Unique aggregates announced from the RIPE address blocks:    163969
RIPE Region origin ASes present in the Internet Routing Table:    28710
    RIPE Prefixes per ASN:                                         9.69
RIPE Region origin ASes announcing only one prefix:               12085
RIPE Region transit ASes present in the Internet Routing Table:    4030
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          42
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11809
Number of RIPE addresses announced to Internet:               714881138
    Equivalent to 42 /8s, 156 /16s and 56 /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:                  135832
    Total LACNIC prefixes after maximum aggregation:              29023
    LACNIC Deaggregation factor:                                   4.68
Prefixes being announced from the LACNIC address blocks:         134297
    Unique aggregates announced from the LACNIC address blocks:   49508
LACNIC Region origin ASes present in the Internet Routing Table:  11088
    LACNIC Prefixes per ASN:                                      12.11
LACNIC Region origin ASes announcing only one prefix:              2094
LACNIC Region transit ASes present in the Internet Routing Table:  2452
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8970
Number of LACNIC addresses announced to Internet:             177317728
    Equivalent to 10 /8s, 145 /16s and 167 /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:                  34958
    Total AfriNIC prefixes after maximum aggregation:              6260
    AfriNIC Deaggregation factor:                                  5.58
Prefixes being announced from the AfriNIC address blocks:         45961
    Unique aggregates announced from the AfriNIC address blocks:  13031
AfriNIC Region origin ASes present in the Internet Routing Table:  1851
    AfriNIC Prefixes per ASN:                                     24.83
AfriNIC Region origin ASes announcing only one prefix:              617
AfriNIC Region transit ASes present in the Internet Routing Table:  360
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1214
Number of AfriNIC addresses announced to Internet:            106832896
    Equivalent to 6 /8s, 94 /16s and 36 /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        9843       8743      68  CHINAMOBILE-CN China Mobile Communicati
  7545        5659        777     675  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4621        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3882       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3706        506     260  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3580       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3291       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2784        862     376  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2501      11524     588  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        9804      11354    3534  AMAZON-02, US
   174        5373       6634     844  COGENT-174, US
 11492        4604        305     616  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3613       1320      79  SHAW, CA
 22773        3537       3057     230  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3200      54911    2452  DNIC-AS-00749, US
 16625        3095       1344    2237  AKAMAI-AS, US
   367        2823       3546    1351  DNIC-ASBLK-00306-00371, US
  7018        2789      23650    1780  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        9094       1223    2208  TTNET, TR
 12479        7713       1708     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3936       3396     150  AKAMAI-ASN1, NL
  9009        3306        286    1622  M247, RO
 12389        2763       2293     879  ROSTELECOM-AS, RU
  8551        2641        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2393        366     576  TELLCOM-AS, TR
  8452        1866       1852      14  TE-AS TE-AS, EG

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       12338       3319     497  UNINET, MX
 10620        3521        495     912  Telmex Colombia S.A., CO
 13999        2541        351     662  Mega Cable, S.A. de C.V., MX
 11830        2002        369      64  Instituto Costarricense de Electricidad
 28573        1554       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1315        788     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1168        175     433  Techtel LMDS Comunicaciones Interactiva
  6503        1133        314     478  Axtel, S.A.B. de C.V., MX
 28202        1122         52       9  Rede Brasileira de Comunicacao SA, BR

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        1636        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1501        389      20  LINKdotNET-AS, EG
 36992        1370       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1207         77      56  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         556       1861      35  IAM-AS, MA
 36914         554         82       3  KENET-AS, KE
 15399         535         55      55  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       12338       3319     497  UNINET, MX
  9808        9843       8743      68  CHINAMOBILE-CN China Mobile Communicati
 16509        9804      11354    3534  AMAZON-02, US
 47331        9094       1223    2208  TTNET, TR
 12479        7713       1708     144  UNI2-AS, ES
  7545        5659        777     675  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5373       6634     844  COGENT-174, US
  4538        5037       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4621        347      23  FPT-AS-AP FPT Telecom Company, VN

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        9843         9775  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7713         7569  UNI2-AS, ES
 47331        9094         6886  TTNET, TR
 16509        9804         6270  AMAZON-02, US
  7545        5659         4984  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037         4963  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4621         4598  FPT-AS-AP FPT Telecom Company, VN
   174        5373         4529  COGENT-174, US
  7155        4175         4084  VIASAT-SP-BACKBONE, 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
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     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               701  UUNET, 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

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
23.176.216.0/24      Origin:     23459  APPLEBEE-NETWORKS, US
23.176.216.0/24     Transit:     34927  IFOG-GMBH, CH
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, 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      /11:95      /12:300     
/13:583     /14:1210    /15:2139    /16:13404   /17:8503    /18:14212   
/19:25389   /20:45475   /21:54105   /22:115031  /23:107794  /24:608011  
/25:1103    /26:1072    /27:1516    /28:168     /29:281     /30:124     
/31:117     /32:624     

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

   ASN  No of nets  Total ann.  Description
 47331        8203        9094  TTNET, TR
 12479        6822        7713  UNI2-AS, ES
  8151        6360       12338  UNINET, MX
 11492        3513        4604  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3409        3613  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2634        3537  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2156        2503  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2134        3521  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)
----------------------------------------------

   1:2337      2:1712      3:332       4:22        5:4709      6:163    
   7:6         8:1609      9:1        11:172      12:1464     13:357    
  14:2460     15:318      16:210      17:373      18:767      20:383    
  21:4        22:188      23:6778     24:3117     25:2        27:2689   
  29:19       31:2688     32:60       34:64       35:134      36:2319   
  37:4615     38:8651     39:901      40:126      41:4680     42:2233   
  43:2426     44:321      45:18565    46:4584     47:312      49:1948   
  50:1929     51:577      52:1612     54:310      55:999      56:5      
  57:179      58:2134     59:1261     60:1033     61:2782     62:2842   
  63:1938     64:5735     65:2389     66:4830     67:3072     68:1351   
  69:4169     70:1387     71:591      72:2962     74:2636     75:1592   
  76:615      77:2623     78:4182     79:2544     80:2224     81:2187   
  82:1631     83:1409     84:1668     85:4092     86:951      87:2290   
  88:3063     89:4238     90:672      91:8259     92:2383     93:2703   
  94:3828     95:5389     96:1304     97:315      98:1060     99:741    
 100:91      101:1192    102:3705    103:32985   104:4830    105:2085   
 106:1011    107:2810    108:1127    109:4116    110:2179    111:3281   
 112:2093    113:1830    114:1792    115:2149    116:1914    117:2647   
 118:2872    119:2045    120:1795    121:1362    122:2810    123:2271   
 124:1702    125:2899    126:32      128:1556    129:1038    130:1213   
 131:2035    132:927     133:410     134:1742    135:363     136:962    
 137:1082    138:3198    139:1572    140:1400    141:1361    142:1621   
 143:1635    144:1006    145:360     146:2090    147:1889    148:2533   
 149:2754    150:1049    151:1367    152:2160    153:595     154:6844   
 155:1468    156:2519    157:1801    158:1154    159:2338    160:2757   
 161:1690    162:3592    163:1729    164:1709    165:2182    166:1180   
 167:1828    168:4216    169:830     170:5336    171:1029    172:3865   
 173:3074    174:900     175:1257    176:3801    177:6233    178:3868   
 179:2674    180:2451    181:3801    182:3414    183:2030    184:2294   
 185:21140   186:5581    187:5063    188:4277    189:4563    190:9759   
 191:2052    192:11034   193:9167    194:7674    195:5475    196:3318   
 197:2769    198:6096    199:7794    200:8494    201:6614    202:10842  
 203:10583   204:4640    205:3815    206:4568    207:3597    208:4201   
 209:5133    210:4810    211:2620    212:4391    213:3595    214:1063   
 215:49      216:6890    217:3205    218:1387    219:607     220:2054   
 221:1043    222:889     223:2247   

End of report


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