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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Jan 28 21:40:06 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Tue 28 Jan, 2025

  IPv4 BGP Table (Global) as seen at USP.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/USP/

Analysis Summary
----------------

BGP routing table entries examined:                              973524
    Prefixes after maximum aggregation (per Origin AS):          371358
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      473152
    Number of IPv4 prefixes with a valid ROA:                    526730
    Number of IPv4 prefixes with an invalid ROA:                    168
    Number of IPv4 prefixes with no ROA:                         446626
Total ASes present in the Internet Routing Table:                 76555
    Prefixes per ASN:                                             12.72
Origin-only ASes present in the Internet Routing Table:           65622
Origin ASes announcing only one prefix:                           26861
Transit ASes present in the Internet Routing Table:               10933
Transit-only ASes present in the Internet Routing Table:            529
Paths with bogon ASNs present in the IPv4 Routing Table:            304
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1207
    Number of instances of unregistered ASNs:                      1213
Number of 32-bit ASNs allocated by the RIRs:                      46077
Number of 32-bit ASNs visible in the Routing Table:               37682
Prefixes from 32-bit ASNs in the Routing Table:                  198829
Number of bogon 32-bit ASNs visible in the Routing Table:            31
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            514
Number of addresses announced to Internet:                   3114428928
    Equivalent to 185 /8s, 162 /16s and 106 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      318779

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

Prefixes being announced by APNIC Region ASes:                   254865
    Total APNIC prefixes after maximum aggregation:               76066
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          246637
    Unique aggregates announced from the APNIC address blocks:   102475
APNIC Region origin ASes present in the Internet Routing Table:   14439
    APNIC Prefixes per ASN:                                       17.08
APNIC Region origin ASes announcing only one prefix:               4428
APNIC Region transit ASes present in the Internet Routing Table:   1926
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9949
Number of APNIC addresses announced to Internet:              753554688
    Equivalent to 44 /8s, 234 /16s and 85 /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:                    287109
    Total ARIN prefixes after maximum aggregation:               127092
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           288842
    Unique aggregates announced from the ARIN address blocks:    134708
ARIN Region origin ASes present in the Internet Routing Table:    19218
    ARIN Prefixes per ASN:                                        15.03
ARIN Region origin ASes announcing only one prefix:                7030
ARIN Region transit ASes present in the Internet Routing Table:    1994
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          40
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5133
Number of ARIN addresses announced to Internet:              1344964096
    Equivalent to 80 /8s, 42 /16s and 134 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-402332
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  63/8,  64/8,  65/8,  66/8,
                        67/8,  68/8,  69/8,  70/8,  71/8,  72/8,  73/8,
                        74/8,  75/8,  76/8,  96/8,  97/8,  98/8,  99/8,
                       100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8,
                       131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8,
                       139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8,
                       148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8,
                       159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8,
                       167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8,
                       184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8,
                       207/8, 208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    271582
    Total RIPE prefixes after maximum aggregation:               131698
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           268609
    Unique aggregates announced from the RIPE address blocks:    171357
RIPE Region origin ASes present in the Internet Routing Table:    28832
    RIPE Prefixes per ASN:                                         9.32
RIPE Region origin ASes announcing only one prefix:               12053
RIPE Region transit ASes present in the Internet Routing Table:    3958
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12214
Number of RIPE addresses announced to Internet:               733295104
    Equivalent to 43 /8s, 181 /16s and 50 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        53/8,  57/8,  62/8,  77/8,  78/8,  79/8,  80/8,
                        81/8,  82/8,  83/8,  84/8,  85/8,  86/8,  87/8,
                        88/8,  89/8,  90/8,  91/8,  92/8,  93/8,  94/8,
                        95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8,
                       185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8,
                       217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                  124108
    Total LACNIC prefixes after maximum aggregation:              29063
    LACNIC Deaggregation factor:                                   4.27
Prefixes being announced from the LACNIC address blocks:         121451
    Unique aggregates announced from the LACNIC address blocks:   48888
LACNIC Region origin ASes present in the Internet Routing Table:  11192
    LACNIC Prefixes per ASN:                                      10.85
LACNIC Region origin ASes announcing only one prefix:              2659
LACNIC Region transit ASes present in the Internet Routing Table:  2491
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9123
Number of LACNIC addresses announced to Internet:             177935104
    Equivalent to 10 /8s, 155 /16s and 19 /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:                  34653
    Total AfriNIC prefixes after maximum aggregation:              6671
    AfriNIC Deaggregation factor:                                  5.19
Prefixes being announced from the AfriNIC address blocks:         47470
    Unique aggregates announced from the AfriNIC address blocks:  15295
AfriNIC Region origin ASes present in the Internet Routing Table:  1906
    AfriNIC Prefixes per ASN:                                     24.91
AfriNIC Region origin ASes announcing only one prefix:              691
AfriNIC Region transit ASes present in the Internet Routing Table:  369
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1263
Number of AfriNIC addresses announced to Internet:            104416512
    Equivalent to 6 /8s, 57 /16s and 69 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  9808       10336       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6206        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4182        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4159        528     272  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3249       1869      99  VNPT-AS-VN VNPT Corp, VN
 24560        2831        852     536  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4755        2210        434     191  TATACOMM-AS TATA Communications formerly 
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12624      38874    3699  AMAZON-02, US
 11492        4697        312     552  CABLEONE, US
  7155        4177        287      86  VIASAT-SP-BACKBONE, US
   174        4162       8761     890  COGENT-174, US
  6327        3614       1320      81  SHAW, CA
 22773        3590       3053     220  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3012       1303    2194  AKAMAI-AS, US
396982        2903       3657     445  GOOGLE-CLOUD-PLATFORM, US
 30036        2585        362     257  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7763       1711     144  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4008       3395     128  AKAMAI-ASN1, NL
  9009        3754        322    1905  M247, RO
 12389        2985       2302     889  ROSTELECOM-AS, RU
 34984        2371        361     580  TELLCOM-AS, TR
212238        1905        136    1405  CDNEXT, GB
  8452        1616       1852      14  TE-AS TE-AS, EG
 13188        1607        100      26  TRIOLAN, UA
 62240        1498         99     751  CLOUVIDER Clouvider - Global ASN, GB

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11677       3230     599  UNINET, MX
 10620        3539        492     954  Telmex Colombia S.A., CO
 13999        2515        539     366  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1336       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1156        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1137        374     163  Axtel, S.A.B. de C.V., MX
  6147        1104        371      22  Telefonica del Peru S.A.A., PE
 22884        1076         98     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1681        601      30  RAYA-AS, EG
 24863        1646        389      16  LINKdotNET-AS, EG
 29571        1546         97     106  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1002        521      42  Vodafone-, EG
 20011         978        180     282  INTERNET-SOLUTIONS, ZA
 37069         843       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA
 36914         546         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12624      38874    3699  AMAZON-02, US
  8151       11677       3230     599  UNINET, MX
  9808       10336       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7763       1711     144  UNI2-AS, ES
  7545        6206        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4697        312     552  CABLEONE, US
 18403        4182        347      23  FPT-AS-AP FPT Telecom Company, VN
  7155        4177        287      86  VIASAT-SP-BACKBONE, US
   174        4162       8761     890  COGENT-174, US

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       11677        11078  UNINET, MX
  9808       10336        10248  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7763         7619  UNI2-AS, ES
  7545        6206         5543  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4182         4159  FPT-AS-AP FPT Telecom Company, VN
 11492        4697         4145  CABLEONE, US
  7155        4177         4091  VIASAT-SP-BACKBONE, US
  9498        4159         3887  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912         3887  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
    213519  UNALLOCATED  5.175.237.0/24           58212  DATAFOREST, DE
    213519  UNALLOCATED  5.175.238.0/24           26042  FIBERSTATE, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.132.192.0/24      Origin:     30500  WOLFPAWSERVICES, CA
23.132.192.0/24     Transit:      6939  HURRICANE, US
23.133.68.0/24       Origin:    401556  VINAGPU, US
23.133.68.0/24      Transit:     20473  AS-VULTR, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/USP/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       /9:16      /10:42      /11:93      /12:309     
/13:588     /14:1227    /15:2170    /16:13946   /17:8258    /18:13703   
/19:24605   /20:43813   /21:51979   /22:112098  /23:100847  /24:599813  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6723        7763  UNI2-AS, ES
  8151        5877       11677  UNINET, MX
 11492        3555        4697  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3410        3614  SHAW, CA
  7155        3125        4177  VIASAT-SP-BACKBONE, US
 22773        2709        3590  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2247       12624  AMAZON-02, US
 30036        2244        2585  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2179        3539  Telmex Colombia S.A., CO

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

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

   1:2293      2:1539      3:565       4:9         5:4586      6:165    
   7:6         8:1545      9:1        11:172      12:1385     13:350    
  14:2492     15:341      16:270      17:362      18:909      20:450    
  21:4        22:188      23:7283     24:2733     25:2        27:2731   
  29:19       31:3104     32:38       34:70       35:184      36:2405   
  37:4620     38:9065     39:895      40:151      41:4151     42:1916   
  43:2525     44:346      45:18148    46:4951     47:293      49:1981   
  50:1857     51:588      52:1572     54:307      55:1135     56:9      
  57:237      58:2205     59:1182     60:1161     61:2790     62:2939   
  63:1830     64:5501     65:2091     66:4647     67:3022     68:1199   
  69:4021     70:1153     71:612      72:2871     74:2782     75:1638   
  76:624      77:2613     78:1851     79:1721     80:2209     81:2050   
  82:2107     83:1414     84:1803     85:3278     86:997      87:2188   
  88:1277     89:4356     90:754      91:8335     92:2787     93:2900   
  94:3925     95:4169     96:1292     97:308      98:1012     99:738    
 100:71      101:1130    102:3720    103:32256   104:4632    105:754    
 106:1014    107:2625    108:1168    109:4077    110:2215    111:3352   
 112:2044    113:1769    114:1935    115:2198    116:2027    117:2748   
 118:2847    119:1940    120:1872    121:1355    122:2731    123:2161   
 124:1553    125:2860    126:94      128:1605    129:959     130:1269   
 131:1884    132:808     133:451     134:1513    135:322     136:1336   
 137:1282    138:2908    139:1597    140:1534    141:1490    142:1833   
 143:1604    144:1024    145:461     146:2134    147:2053    148:2583   
 149:2838    150:1201    151:1638    152:2081    153:567     154:7954   
 155:1552    156:3442    157:1875    158:1253    159:2426    160:3522   
 161:1801    162:3655    163:1795    164:1694    165:2168    166:1315   
 167:1876    168:4111    169:799     170:5106    171:1003    172:4145   
 173:3218    174:921     175:1266    176:3597    177:4920    178:3758   
 179:2208    180:2547    181:3944    182:3371    183:2032    184:2277   
 185:21439   186:5122    187:4388    188:4234    189:4153    190:9621   
 191:1567    192:11263   193:9362    194:7716    195:5463    196:3221   
 197:3589    198:6162    199:8269    200:8157    201:6316    202:10363  
 203:10564   204:4556    205:3668    206:4669    207:3599    208:4196   
 209:5168    210:4549    211:2512    212:4514    213:3749    214:1046   
 215:42      216:6607    217:3108    218:1335    219:372     220:2097   
 221:1054    222:718     223:2311   

End of report


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