[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 15 22:41:46 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Wed 15 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:                              1006871
    Prefixes after maximum aggregation (per Origin AS):          367105
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      462112
Total ASes present in the Internet Routing Table:                 76118
    Prefixes per ASN:                                             13.23
Origin-only ASes present in the Internet Routing Table:           65166
Origin ASes announcing only one prefix:                           26086
Transit ASes present in the Internet Routing Table:               10952
Transit-only ASes present in the Internet Routing Table:            529
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1138
    Number of instances of unregistered ASNs:                      1141
Number of 32-bit ASNs allocated by the RIRs:                      44471
Number of 32-bit ASNs visible in the Routing Table:               36581
Prefixes from 32-bit ASNs in the Routing Table:                  196997
Number of bogon 32-bit ASNs visible in the Routing Table:           170
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            673
Number of addresses announced to Internet:                   3029765749
    Equivalent to 180 /8s, 150 /16s and 142 /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:      343695

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

Prefixes being announced by APNIC Region ASes:                   263811
    Total APNIC prefixes after maximum aggregation:               74747
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          255715
    Unique aggregates announced from the APNIC address blocks:   101094
APNIC Region origin ASes present in the Internet Routing Table:   14268
    APNIC Prefixes per ASN:                                       17.92
APNIC Region origin ASes announcing only one prefix:               4274
APNIC Region transit ASes present in the Internet Routing Table:   1937
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         31
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9615
Number of APNIC addresses announced to Internet:              762255776
    Equivalent to 45 /8s, 111 /16s and 25 /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:                    285511
    Total ARIN prefixes after maximum aggregation:               126782
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           290121
    Unique aggregates announced from the ARIN address blocks:    133738
ARIN Region origin ASes present in the Internet Routing Table:    19205
    ARIN Prefixes per ASN:                                        15.11
ARIN Region origin ASes announcing only one prefix:                6957
ARIN Region transit ASes present in the Internet Routing Table:    1987
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4920
Number of ARIN addresses announced to Internet:              1268060738
    Equivalent to 75 /8s, 149 /16s and 18 /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:                    285728
    Total RIPE prefixes after maximum aggregation:               129422
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           279620
    Unique aggregates announced from the RIPE address blocks:    164166
RIPE Region origin ASes present in the Internet Routing Table:    28736
    RIPE Prefixes per ASN:                                         9.73
RIPE Region origin ASes announcing only one prefix:               12104
RIPE Region transit ASes present in the Internet Routing Table:    4031
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          44
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11836
Number of RIPE addresses announced to Internet:               714596979
    Equivalent to 42 /8s, 151 /16s and 226 /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:                  135778
    Total LACNIC prefixes after maximum aggregation:              29159
    LACNIC Deaggregation factor:                                   4.66
Prefixes being announced from the LACNIC address blocks:         134221
    Unique aggregates announced from the LACNIC address blocks:   49517
LACNIC Region origin ASes present in the Internet Routing Table:  11110
    LACNIC Prefixes per ASN:                                      12.08
LACNIC Region origin ASes announcing only one prefix:              2133
LACNIC Region transit ASes present in the Internet Routing Table:  2461
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8991
Number of LACNIC addresses announced to Internet:             177013536
    Equivalent to 10 /8s, 141 /16s and 3 /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:                  34905
    Total AfriNIC prefixes after maximum aggregation:              6276
    AfriNIC Deaggregation factor:                                  5.56
Prefixes being announced from the AfriNIC address blocks:         46520
    Unique aggregates announced from the AfriNIC address blocks:  13088
AfriNIC Region origin ASes present in the Internet Routing Table:  1855
    AfriNIC Prefixes per ASN:                                     25.08
AfriNIC Region origin ASes announcing only one prefix:              618
AfriNIC Region transit ASes present in the Internet Routing Table:  356
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1219
Number of AfriNIC addresses announced to Internet:            107408128
    Equivalent to 6 /8s, 102 /16s and 235 /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        9849       8745      70  CHINAMOBILE-CN China Mobile Communicati
  7545        5637        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5042       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4543       1893      45  VNPT-AS-VN VNPT Corp, VN
 18403        4451        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3913       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3734        508     263  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3593       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2796        864     377  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2485      11522     581  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        9897      11375    3566  AMAZON-02, US
   174        5301       6666     851  COGENT-174, US
 11492        4610        306     611  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3596       1320      79  SHAW, CA
 22773        3547       3057     236  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3225      54904    2477  DNIC-AS-00749, US
 16625        3095       1340    2244  AKAMAI-AS, US
   367        2827       3463    1333  DNIC-ASBLK-00306-00371, US
  7018        2802      23655    1771  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        9139       1227    2134  TTNET, TR
 12479        7769       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3912       3396     153  AKAMAI-ASN1, NL
  9009        3350        292    1652  M247, RO
 12389        2953       2302     895  ROSTELECOM-AS, RU
  8551        2664        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2586       1852      14  TE-AS TE-AS, EG
  5384        2488        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2390        365     574  TELLCOM-AS, TR

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       12256       3315     493  UNINET, MX
 10620        3507        492     940  Telmex Colombia S.A., CO
 13999        2538        351     663  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1557       2314     252  Claro NXT Telecomunicacoes Ltda, BR
  3816        1321        789     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1183        176     443  Techtel LMDS Comunicaciones Interactiva
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1125        314     478  Axtel, S.A.B. de C.V., MX

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        1634        314      37  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1502        389      20  LINKdotNET-AS, EG
 36992        1373       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1198         77      59  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         557       1861      35  IAM-AS, MA
 36914         554         82       3  KENET-AS, KE
 15399         530         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       12256       3315     493  UNINET, MX
 16509        9897      11375    3566  AMAZON-02, US
  9808        9849       8745      70  CHINAMOBILE-CN China Mobile Communicati
 47331        9139       1227    2134  TTNET, TR
 12479        7769       1708     145  UNI2-AS, ES
  7545        5637        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5301       6666     851  COGENT-174, US
  4538        5042       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4610        306     611  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        9849         9779  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7769         7624  UNI2-AS, ES
 47331        9139         7005  TTNET, TR
 16509        9897         6331  AMAZON-02, US
  4538        5042         4968  ERX-CERNET-BKB China Education and Research Net
  7545        5637         4963  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4758         4698  ALJAWWALSTC-AS, SA
 45899        4543         4498  VNPT-AS-VN VNPT Corp, VN
   174        5301         4450  COGENT-174, US
 18403        4451         4428  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
     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              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

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:      3491  BTN-ASN, 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
23.147.240.0/24      Origin:    398208  RESERVED, ZZ
23.147.240.0/24     Transit:     19930  EQUINIX-EC-CH, US
23.178.72.0/24       Origin:     47272  HYEHOST HYEHOST Hosting Solutions, GB
23.178.72.0/24      Transit:    210667  SMISHCRAFT Adam Goodenough TA Smishcraft

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      /11:94      /12:297     
/13:583     /14:1198    /15:2122    /16:13415   /17:8520    /18:14722   
/19:25750   /20:45742   /21:54559   /22:115579  /23:108299  /24:610785  
/25:1103    /26:1070    /27:1514    /28:169     /29:290     /30:130     
/31:123     /32:739     

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

   ASN  No of nets  Total ann.  Description
 47331        8246        9139  TTNET, TR
 12479        6865        7769  UNI2-AS, ES
  8151        6280       12256  UNINET, MX
 11492        3519        4610  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3392        3596  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2639        3547  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2156        2502  MEDIACOM-ENTERPRISE-BUSINESS, US
  8551        2140        2664  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

   1:2322      2:1688      3:347       4:22        5:4756      6:164    
   7:6         8:1618      9:1        11:172      12:1459     13:362    
  14:2485     15:318      16:211      17:373      18:763      20:392    
  21:4        22:188      23:6780     24:3124     25:2        27:2627   
  29:19       31:2749     32:62       34:64       35:137      36:2331   
  37:4627     38:8677     39:903      40:125      41:4709     42:2185   
  43:2446     44:321      45:18511    46:4602     47:313      49:1969   
  50:1927     51:580      52:1611     54:312      55:1000     56:5      
  57:179      58:2140     59:1267     60:1028     61:2812     62:2830   
  63:1933     64:5738     65:2391     66:4843     67:3066     68:1349   
  69:4161     70:1388     71:595      72:2947     74:2629     75:1596   
  76:622      77:2635     78:4185     79:2569     80:2228     81:2271   
  82:1686     83:1408     84:1665     85:4087     86:958      87:2313   
  88:3112     89:4243     90:680      91:8294     92:2396     93:2726   
  94:3895     95:5444     96:1297     97:315      98:1055     99:743    
 100:90      101:1202    102:3748    103:33144   104:4821    105:2085   
 106:1009    107:2778    108:1159    109:4205    110:2185    111:3288   
 112:2119    113:1845    114:1805    115:2184    116:1918    117:2677   
 118:2857    119:2078    120:1797    121:1362    122:2848    123:2272   
 124:1706    125:2905    126:32      128:1554    129:1039    130:1197   
 131:2033    132:926     133:412     134:1743    135:365     136:1021   
 137:1082    138:3169    139:1566    140:1396    141:1367    142:1609   
 143:1655    144:1013    145:364     146:2104    147:1914    148:2540   
 149:2818    150:1048    151:1354    152:2186    153:595     154:6843   
 155:1483    156:2323    157:1822    158:1157    159:2349    160:2755   
 161:1723    162:3604    163:1770    164:1716    165:2194    166:1173   
 167:1832    168:4228    169:830     170:5344    171:1056    172:3884   
 173:3079    174:895     175:1259    176:3840    177:6264    178:3866   
 179:2680    180:2452    181:3817    182:3407    183:2013    184:2288   
 185:21180   186:5545    187:5164    188:4343    189:4590    190:9787   
 191:2073    192:11068   193:9196    194:7691    195:5502    196:3699   
 197:2896    198:6112    199:7889    200:8534    201:6563    202:10883  
 203:10711   204:4651    205:3835    206:4542    207:3654    208:4207   
 209:5140    210:4814    211:2672    212:4438    213:3592    214:1048   
 215:49      216:6938    217:3246    218:1368    219:619     220:2053   
 221:1045    222:979     223:2246   

End of report


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