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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Sep 10 22:41:14 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 10 Sep, 2023

  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:                              990714
    Prefixes after maximum aggregation (per Origin AS):          360841
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      454677
Total ASes present in the Internet Routing Table:                 75300
    Prefixes per ASN:                                             13.16
Origin-only ASes present in the Internet Routing Table:           64655
Origin ASes announcing only one prefix:                           25817
Transit ASes present in the Internet Routing Table:               10645
Transit-only ASes present in the Internet Routing Table:            465
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:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1338
    Number of instances of unregistered ASNs:                      1340
Number of 32-bit ASNs allocated by the RIRs:                      42590
Number of 32-bit ASNs visible in the Routing Table:               35320
Prefixes from 32-bit ASNs in the Routing Table:                  185758
Number of bogon 32-bit ASNs visible in the Routing Table:           217
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            752
Number of addresses announced to Internet:                   3062737290
    Equivalent to 182 /8s, 141 /16s and 169 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      340454

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

Prefixes being announced by APNIC Region ASes:                   258293
    Total APNIC prefixes after maximum aggregation:               71770
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          251714
    Unique aggregates announced from the APNIC address blocks:    99047
APNIC Region origin ASes present in the Internet Routing Table:   13759
    APNIC Prefixes per ASN:                                       18.29
APNIC Region origin ASes announcing only one prefix:               4019
APNIC Region transit ASes present in the Internet Routing Table:   1837
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9046
Number of APNIC addresses announced to Internet:              775145536
    Equivalent to 46 /8s, 51 /16s and 200 /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:                    284567
    Total ARIN prefixes after maximum aggregation:               126214
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           286525
    Unique aggregates announced from the ARIN address blocks:    131953
ARIN Region origin ASes present in the Internet Routing Table:    19169
    ARIN Prefixes per ASN:                                        14.95
ARIN Region origin ASes announcing only one prefix:                6945
ARIN Region transit ASes present in the Internet Routing Table:    1937
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4847
Number of ARIN addresses announced to Internet:              1280639296
    Equivalent to 76 /8s, 85 /16s and 1 /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, 393216-401308
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:                    282539
    Total RIPE prefixes after maximum aggregation:               127283
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           278059
    Unique aggregates announced from the RIPE address blocks:    160999
RIPE Region origin ASes present in the Internet Routing Table:    28591
    RIPE Prefixes per ASN:                                         9.73
RIPE Region origin ASes announcing only one prefix:               12026
RIPE Region transit ASes present in the Internet Routing Table:    3966
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11410
Number of RIPE addresses announced to Internet:               719587294
    Equivalent to 42 /8s, 228 /16s and 7 /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:                  129602
    Total LACNIC prefixes after maximum aggregation:              28726
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128921
    Unique aggregates announced from the LACNIC address blocks:   49259
LACNIC Region origin ASes present in the Internet Routing Table:  11065
    LACNIC Prefixes per ASN:                                      11.65
LACNIC Region origin ASes announcing only one prefix:              2243
LACNIC Region transit ASes present in the Internet Routing Table:  2376
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8874
Number of LACNIC addresses announced to Internet:             178850592
    Equivalent to 10 /8s, 169 /16s and 11 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  34375
    Total AfriNIC prefixes after maximum aggregation:              6024
    AfriNIC Deaggregation factor:                                  5.71
Prefixes being announced from the AfriNIC address blocks:         44742
    Unique aggregates announced from the AfriNIC address blocks:  12770
AfriNIC Region origin ASes present in the Internet Routing Table:  1805
    AfriNIC Prefixes per ASN:                                     24.79
AfriNIC Region origin ASes announcing only one prefix:              584
AfriNIC Region transit ASes present in the Internet Routing Table:  336
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1143
Number of AfriNIC addresses announced to Internet:            107948288
    Equivalent to 6 /8s, 111 /16s and 41 /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        9690       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5749        785     691  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5040       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4357        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4048       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3747       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3599       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3153        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2506        848     390  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2315      11270     587  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        9172      11009    3191  AMAZON-02, US
 11492        4533        301     625  CABLEONE, US
  7155        4195        289     102  VIASAT-SP-BACKBONE, US
   174        3883       6656     623  COGENT-174, US
 22773        3698       3080     326  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3536       1319      66  SHAW, CA
 16625        3196       1546    2363  AKAMAI-AS, US
   749        3165      54961    2400  DNIC-AS-00749, US
   367        3009       3838    1418  DNIC-ASBLK-00306-00371, US
396982        2693       3596     388  GOOGLE-CLOUD-PLATFORM, 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        8482       1162    3083  TTNET, TR
 12479        7387       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4192       3399     185  AKAMAI-ASN1, NL
  8551        3481        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2996       2296     920  ROSTELECOM-AS, RU
  9009        2766        256    1407  M247, RO
  8452        2495       1852      16  TE-AS TE-AS, EG
  5384        2463        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2381        366     587  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       11895       3370     606  UNINET, MX
 10620        3546        507     834  Telmex Colombia S.A., CO
 13999        2462        365     639  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1325       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
 11664        1130        183     426  Techtel LMDS Comunicaciones Interactiva
  6147        1124        370      22  Telefonica del Peru S.A.A., PE
 28202        1112         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        1894        319      45  Telkom-Internet, ZA
 24863        1595        393      19  LINKdotNET-AS, EG
 24835        1539        533      27  RAYA-AS, EG
 36992        1360       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         539         55      51  WANANCHI-, KE
 36914         535         82       3  KENET-AS, 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       11895       3370     606  UNINET, MX
  9808        9690       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9172      11009    3191  AMAZON-02, US
 47331        8482       1162    3083  TTNET, TR
 12479        7387       1713     145  UNI2-AS, ES
  7545        5749        785     691  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5040       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4533        301     625  CABLEONE, US
 18403        4357        347      25  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        9690         9591  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7387         7242  UNI2-AS, ES
 16509        9172         5981  AMAZON-02, US
 47331        8482         5399  TTNET, TR
  7545        5749         5058  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5040         4965  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4357         4332  FPT-AS-AP FPT Telecom Company, VN
  7155        4195         4093  VIASAT-SP-BACKBONE, US
 20940        4192         4007  AKAMAI-ASN1, NL

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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              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  LIGHTOWER, 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
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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

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

Unassigned Network     ASN Information  AS Name
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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.178.240.0/24      Origin:    399517  RESERVED, ZZ
23.178.240.0/24     Transit:     32425  SKB3-ARIN-BGP, US
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      /10:39      /11:102     /12:299     
/13:578     /14:1213    /15:2158    /16:13753   /17:8603    /18:14838   
/19:25951   /20:46294   /21:55234   /22:115587  /23:108729  /24:594276  
/25:486     /26:618     /27:1036    /28:77      /29:102     /30:26      
/31:22      /32:662     

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

   ASN  No of nets  Total ann.  Description
 47331        7606        8482  TTNET, TR
 12479        6473        7387  UNI2-AS, ES
  8151        5870       11895  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3442        4533  CABLEONE, US
  6327        3346        3536  SHAW, CA
  7155        3140        4195  VIASAT-SP-BACKBONE, US
  8551        2948        3481  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2728        3698  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2170        2514  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2290      2:1567      3:259       4:8         5:4804      6:139    
   7:6         8:1634      9:1        11:172      12:1526     13:386    
  14:2423     15:304      16:198      17:384      18:642      20:306    
  21:4        22:188      23:6539     24:3060     25:6        27:2663   
  29:19       31:2691     32:98       34:26       35:120      36:2017   
  37:4758     38:6401     39:878      40:147      41:4885     42:2125   
  43:2483     44:331      45:17850    46:4543     47:395      49:1827   
  50:1930     51:598      52:1635     54:399      55:981      56:8      
  57:133      58:1979     59:1208     60:1010     61:2728     62:2859   
  63:1971     64:5886     65:2418     66:5169     67:3121     68:1367   
  69:4219     70:1414     71:702      72:3088     74:2696     75:1619   
  76:624      77:2600     78:4015     79:3045     80:2198     81:2102   
  82:1594     83:1364     84:1580     85:3884     86:877      87:2284   
  88:2874     89:3980     90:623      91:8057     92:2182     93:2682   
  94:3765     95:5110     96:1347     97:326      98:1139     99:736    
 100:123     101:1369    102:3423    103:33047   104:4687    105:2014   
 106:966     107:2720    108:1163    109:4368    110:2202    111:3192   
 112:2150    113:1824    114:1681    115:2157    116:1967    117:2609   
 118:2772    119:2092    120:1879    121:1218    122:2779    123:2270   
 124:1669    125:2611    128:1586    129:1146    130:1096    131:2097   
 132:967     133:408     134:1803    135:355     136:927     137:995    
 138:2869    139:1695    140:1300    141:1339    142:1543    143:1598   
 144:1018    145:349     146:2020    147:1635    148:2503    149:2348   
 150:918     151:1256    152:2006    153:595     154:5269    155:1430   
 156:2013    157:1368    158:1099    159:2268    160:2724    161:1629   
 162:3606    163:1671    164:1778    165:1947    166:1097    167:1761   
 168:4092    169:960     170:4984    171:956     172:3758    173:3023   
 174:1007    175:1268    176:3985    177:5586    178:3611    179:2479   
 180:2645    181:3652    182:3463    183:2050    184:2332    185:21096  
 186:5135    187:4632    188:4381    189:4151    190:9549    191:1939   
 192:11123   193:9097    194:7607    195:5521    196:3675    197:3046   
 198:6101    199:6192    200:8322    201:6303    202:11091   203:10642  
 204:4650    205:3793    206:4464    207:3570    208:4285    209:5044   
 210:4742    211:2640    212:4421    213:3775    214:1103    215:60     
 216:6961    217:3051    218:1329    219:618     220:2047    221:992    
 222:866     223:2198   

End of report


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